000
FOUS51 KLWX 210257 AAA
PFMLWX
POINT FORECAST MATRICES...UPDATED
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
957 PM EST TUE JAN 20 2009
VAZ054-210915-
REAGAN NATIONAL AIRPORT-ARLINGTON VA
38.86N 77.03W ELEV. 66 FT
957 PM EST TUE JAN 20 2009
DATE 01/20/09 WED 01/21/09 THU 01/22/09 FRI
EST 3HRLY 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 20 33 24 43 31
TEMP 24 23 22 21 26 31 32 28 27 26 26 27 34 41 41 38 36 35 33 34
DEWPT 9 8 7 8 7 8 9 8 10 11 12 12 15 18 20 22 22 23 24 26
RH 52 52 52 56 44 37 37 42 48 52 55 53 45 39 42 52 56 61 69 72
WIND DIR NW NW NW NW NW NW W W W W W SW SW SW SW S SW SW SW SW
WIND SPD 13 12 11 11 12 11 10 5 4 5 4 4 8 9 8 6 5 5 4 4
CLOUDS SC SC SC FW FW FW SC SC SC FW FW FW FW FW FW FW FW FW FW SC
POP 12HR 5 5 0 0 5
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
DATE 01/23 SAT 01/24/09 SUN 01/25/09 MON 01/26/09 TUE 01/27/09
EST 6HRLY 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 51 30 39 21 34 23 35 29 41
TEMP 48 42 36 31 38 31 26 23 32 29 26 25 33 32 31 31 39 36
DEWPT 28 29 26 24 19 14 13 10 9 8 11 13 17 20 21 24 21 20
PWIND DIR SW NW N N N NE NE N NW
WIND CHAR LT LT GN GN LT LT LT LT LT
AVG CLOUDS SC SC B1 B1 B1 SC B1 SC SC SC SC B1 B1 B2 B2 B2 B2 B2
POP 12HR 10 10 10 10 10 10 10 10 20
RAIN SHWRS S S
$$
MDZ013-210915-
BALTIMORE/WASHINGTON AIRPORT-ANNE ARUNDEL MD
39.19N 76.67W ELEV. 154 FT
957 PM EST TUE JAN 20 2009
DATE 01/20/09 WED 01/21/09 THU 01/22/09 FRI
EST 3HRLY 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 18 31 19 40 27
TEMP 22 21 20 19 24 29 30 26 24 23 21 22 30 37 38 34 32 31 30 30
DEWPT 10 9 8 9 8 8 9 8 9 10 11 12 15 18 20 21 22 23 24 25
RH 59 59 59 64 50 40 41 46 52 57 65 65 53 46 48 58 66 72 78 81
WIND DIR NW NW NW NW NW W W W W W W W SW SW SW S SW SW SW SW
WIND SPD 12 12 11 11 12 12 11 8 5 5 4 4 8 10 8 5 4 4 3 3
CLOUDS SC SC SC FW FW FW SC SC SC FW FW FW FW FW FW FW FW SC SC SC
POP 12HR 5 0 0 0 5
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
DATE 01/23 SAT 01/24/09 SUN 01/25/09 MON 01/26/09 TUE 01/27/09
EST 6HRLY 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 48 29 37 20 33 23 34 27 40
TEMP 45 40 35 30 36 30 25 22 31 29 26 25 33 31 29 29 38 35
DEWPT 28 28 26 21 17 13 11 9 9 8 10 11 16 19 19 22 20 19
PWIND DIR W NW NW N N NE NE NE NW
WIND CHAR LT LT GN GN LT LT LT LT LT
AVG CLOUDS SC SC B1 B1 B1 SC B1 SC SC SC SC B1 B1 B2 B2 B2 B2 B2
POP 12HR 10 10 10 10 10 10 10 10 20
RAIN SHWRS S S
$$
MDZ011-210915-
BALTIMORE INNER HARBOR-BALTIMORE CITY MD
39.28N 76.61W ELEV. 20 FT
957 PM EST TUE JAN 20 2009
DATE 01/20/09 WED 01/21/09 THU 01/22/09 FRI
EST 3HRLY 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 20 31 23 42 31
TEMP 24 23 22 22 26 30 30 27 26 25 25 26 33 40 41 37 35 34 33 34
DEWPT 9 7 7 10 7 8 9 7 9 11 12 12 15 18 20 21 22 23 24 25
RH 52 50 52 59 44 39 41 42 48 55 57 55 47 41 42 52 59 64 69 69
WIND DIR NW NW NW NW NW W W W W W W W SW SW SW S SW SW SW SW
WIND SPD 12 13 12 11 11 12 10 8 5 5 4 4 6 10 6 5 4 5 3 3
CLOUDS SC SC SC FW FW FW SC SC SC FW FW FW FW FW FW FW FW SC SC SC
POP 12HR 5 0 0 0 5
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
DATE 01/23 SAT 01/24/09 SUN 01/25/09 MON 01/26/09 TUE 01/27/09
EST 6HRLY 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 48 30 38 20 33 23 33 28 39
TEMP 46 40 35 31 37 30 25 22 31 29 26 25 32 31 29 30 38 35
DEWPT 28 28 26 22 18 13 11 8 9 8 10 11 16 19 19 22 20 19
PWIND DIR W NW NW N N N NE N W
WIND CHAR LT LT GN GN LT LT LT LT LT
AVG CLOUDS SC SC B1 B1 B1 SC B1 SC SC SC SC B1 B1 B2 B2 B1 B2 B2
POP 12HR 10 10 10 10 10 10 10 10 20
RAIN SHWRS S S
$$
WVZ052-210915-
MARTINSBURG AIRPORT-BERKELEY WV
39.41N 77.98W ELEV. 558 FT
957 PM EST TUE JAN 20 2009
DATE 01/20/09 WED 01/21/09 THU 01/22/09 FRI
EST 3HRLY 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 13 29 18 42 26
TEMP 19 17 16 16 22 27 28 25 23 22 20 22 31 39 40 35 32 31 29 29
DEWPT 10 8 7 8 6 9 11 8 10 10 11 11 16 19 20 20 21 22 22 23
RH 67 67 67 70 49 46 48 48 57 59 67 62 53 44 44 54 63 69 75 78
WIND DIR NW NW NW NW NW W W W W W SW SW SW SW SW SW SW SW SW SW
WIND SPD 11 10 10 10 12 12 11 6 5 5 4 4 5 8 6 4 4 4 4 4
CLOUDS B2 B1 SC SC SC SC SC SC SC FW FW FW FW FW FW FW FW SC SC SC
POP 12HR 5 5 5 0 5
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
DATE 01/23 SAT 01/24/09 SUN 01/25/09 MON 01/26/09 TUE 01/27/09
EST 6HRLY 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 47 26 35 17 31 19 32 22 40
TEMP 44 38 32 27 34 27 22 19 29 26 23 21 30 28 25 25 38 35
DEWPT 27 27 24 21 16 12 10 8 8 8 9 9 15 16 17 20 19 16
PWIND DIR W NW NW NW N NE NE NW NW
WIND CHAR LT LT GN GN LT LT LT LT LT
AVG CLOUDS SC SC B1 B2 B1 B1 B1 B1 SC SC B1 B1 B1 B2 B2 B2 B2 OV
POP 12HR 10 10 10 10 10 10 10 10 20
RAIN SHWRS S S
$$
VAZ042-210915-
WASHINGTON DULLES AIRPORT-LOUDOUN VA
38.96N 77.45W ELEV. 321 FT
957 PM EST TUE JAN 20 2009
DATE 01/20/09 WED 01/21/09 THU 01/22/09 FRI
EST 3HRLY 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 15 31 17 43 25
TEMP 21 19 18 16 23 29 29 25 23 21 20 21 31 40 41 35 32 30 29 29
DEWPT 9 8 7 7 6 8 9 7 9 10 10 11 15 18 19 19 21 22 22 23
RH 59 61 61 67 47 40 42 46 54 62 64 65 51 41 41 52 63 72 75 78
WIND DIR NW NW NW NW NW NW W W W W SW SW SW SW SW S SW SW SW SW
WIND SPD 11 10 10 10 12 12 10 5 3 4 3 4 6 9 8 5 4 4 3 3
CLOUDS B1 SC SC FW FW FW SC SC SC FW FW FW FW FW FW FW FW SC SC SC
POP 12HR 5 5 0 0 0
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
DATE 01/23 SAT 01/24/09 SUN 01/25/09 MON 01/26/09 TUE 01/27/09
EST 6HRLY 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 49 28 37 18 33 20 34 25 41
TEMP 46 40 34 29 36 29 24 20 31 27 24 22 32 30 28 27 39 36
DEWPT 27 27 25 22 18 14 11 9 9 8 10 11 16 18 19 21 20 19
PWIND DIR SW NW NW N N NE NE NW NW
WIND CHAR LT LT GN GN LT LT LT LT LT
AVG CLOUDS SC SC B1 B1 B1 B1 B1 B1 SC SC B1 B1 B1 B2 B2 B2 B2 B2
POP 12HR 10 10 10 10 10 10 10 10 20
RAIN SHWRS S S
$$
VAZ037-210915-
CHARLOTTESVILLE AIRPORT-ALBEMARLE VA
38.14N 78.45W ELEV. 640 FT
957 PM EST TUE JAN 20 2009
DATE 01/20/09 WED 01/21/09 THU 01/22/09 FRI
EST 3HRLY 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 13 34 20 45 29
TEMP 19 18 16 17 25 31 32 28 26 24 23 24 33 42 43 38 35 34 32 32
DEWPT 5 5 5 5 4 4 5 7 8 9 11 11 15 19 21 22 23 24 24 24
RH 54 56 61 58 40 31 31 40 46 52 59 57 47 39 41 52 61 66 72 72
WIND DIR NW NW NW W W W SW SW SW W SW SW SW SW SW SW SW SW SW SW
WIND SPD 9 6 5 5 8 8 6 4 3 3 2 3 5 9 9 6 4 3 3 4
CLOUDS SC SC FW FW FW FW SC SC SC FW FW FW FW FW FW FW FW FW FW FW
POP 12HR 5 5 0 0 5
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
DATE 01/23 SAT 01/24/09 SUN 01/25/09 MON 01/26/09 TUE 01/27/09
EST 6HRLY 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 51 31 41 21 37 24 37 29 45
TEMP 48 42 37 33 40 32 27 23 35 31 28 26 35 34 31 31 43 40
DEWPT 28 29 28 26 22 17 16 13 13 9 12 13 19 21 21 24 24 21
PWIND DIR SW W N N N NE N W SW
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS FW SC B1 B2 B1 B2 B1 B1 SC SC B1 B1 B1 B2 B2 B2 B2 B2
POP 12HR 10 10 20 10 10 10 10 10 20
RAIN SHWRS S S S S
$$
MDZ003-210915-
HAGERSTOWN AIRPORT-WASHINGTON MD
39.71N 77.73W ELEV. 705 FT
957 PM EST TUE JAN 20 2009
DATE 01/20/09 WED 01/21/09 THU 01/22/09 FRI
EST 3HRLY 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 13 28 19 39 27
TEMP 19 17 16 15 21 26 27 24 23 22 21 22 30 36 37 34 32 31 29 30
DEWPT 9 7 6 5 6 6 9 8 10 9 11 12 15 18 19 20 21 22 22 22
RH 64 64 64 64 52 42 46 50 57 57 65 65 53 47 48 56 63 69 75 72
WIND DIR NW NW NW NW NW W W W W W SW SW SW SW SW SW SW W SW SW
WIND SPD 11 10 10 10 12 12 11 8 6 6 3 4 6 9 6 5 5 5 4 4
CLOUDS B2 B1 SC SC SC SC B1 SC SC SC SC SC SC SC SC FW FW SC SC SC
POP 12HR 5 5 5 0 5
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
DATE 01/23 SAT 01/24/09 SUN 01/25/09 MON 01/26/09 TUE 01/27/09
EST 6HRLY 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 44 26 33 15 29 18 30 23 37
TEMP 42 36 31 27 32 25 20 17 27 24 21 20 28 27 25 25 35 33
DEWPT 26 26 23 19 15 11 8 6 7 6 8 8 13 14 16 18 18 15
PWIND DIR W NW NW NW NW N NE NW NW
WIND CHAR LT LT GN GN LT LT LT LT LT
AVG CLOUDS SC B1 B2 B2 B1 B1 B1 B1 SC SC B1 B1 B1 B2 B2 B1 B2 OV
POP 12HR 10 10 10 10 10 10 10 10 20
SNOWSHWRS S S
$$
000
FOUS51 KLWX 201957
PFMLWX
POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
257 PM EST TUE JAN 20 2009
VAZ054-210915-
REAGAN NATIONAL AIRPORT-ARLINGTON VA
38.86N 77.03W ELEV. 66 FT
257 PM EST TUE JAN 20 2009
DATE 01/20/09 WED 01/21/09 THU 01/22/09 FRI
EST 3HRLY 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 19 33 24 43 31
TEMP 31 26 24 23 21 21 26 31 32 28 27 26 26 27 34 41 41 38 36 35 33 34
DEWPT 10 15 13 10 9 8 7 8 9 8 10 11 12 12 15 18 20 22 22 23 24 26
RH 41 62 62 57 59 56 44 37 37 42 48 52 55 53 45 39 42 52 56 61 69 72
WIND DIR N NW NW NW NW NW NW NW W W W W W SW SW SW SW S SW SW SW SW
WIND SPD 11 12 12 12 13 13 12 11 10 5 4 5 4 4 8 9 8 6 5 5 4 4
WIND GUST 23
CLOUDS B1 SC B1 SC SC FW FW FW SC SC SC FW FW FW FW FW FW FW FW FW FW SC
POP 12HR 0 5 0 0 5
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
DATE 01/23 SAT 01/24/09 SUN 01/25/09 MON 01/26/09 TUE 01/27/09
EST 6HRLY 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 51 30 39 21 34 23 35 29 41
TEMP 48 42 36 31 38 31 26 23 32 29 26 25 33 32 31 31 39 36
DEWPT 28 29 26 24 19 14 13 10 9 8 11 13 17 20 21 24 21 20
PWIND DIR SW NW N N N NE NE N NW
WIND CHAR LT LT GN GN LT LT LT LT LT
AVG CLOUDS SC SC B1 B1 B1 SC B1 SC SC SC SC B1 B1 B2 B2 B2 B2 B2
POP 12HR 10 10 10 10 10 10 10 10 20
RAIN SHWRS S S
$$
MDZ013-210915-
BALTIMORE/WASHINGTON AIRPORT-ANNE ARUNDEL MD
39.19N 76.67W ELEV. 154 FT
257 PM EST TUE JAN 20 2009
DATE 01/20/09 WED 01/21/09 THU 01/22/09 FRI
EST 3HRLY 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 17 31 19 40 27
TEMP 29 24 22 21 19 19 24 29 30 26 24 23 21 22 30 37 38 34 32 31 30 30
DEWPT 11 15 14 13 11 9 8 8 9 8 9 10 11 12 15 18 20 21 22 23 24 25
RH 46 68 71 71 70 64 50 40 41 46 52 57 65 65 53 46 48 58 66 72 78 81
WIND DIR N NW NW NW NW NW NW W W W W W W W SW SW SW S SW SW SW SW
WIND SPD 12 14 14 14 16 13 12 12 11 8 5 5 4 4 8 10 8 5 4 4 3 3
CLOUDS B1 SC B1 SC SC FW FW FW SC SC SC FW FW FW FW FW FW FW FW SC SC SC
POP 12HR 5 0 0 0 5
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
DATE 01/23 SAT 01/24/09 SUN 01/25/09 MON 01/26/09 TUE 01/27/09
EST 6HRLY 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 48 29 37 20 33 23 34 27 40
TEMP 45 40 35 30 36 30 25 22 31 29 26 25 33 31 29 29 38 35
DEWPT 28 28 26 21 17 13 11 9 9 8 10 11 16 19 19 22 20 19
PWIND DIR W NW NW N N NE NE NE NW
WIND CHAR LT LT GN GN LT LT LT LT LT
AVG CLOUDS SC SC B1 B1 B1 SC B1 SC SC SC SC B1 B1 B2 B2 B2 B2 B2
POP 12HR 10 10 10 10 10 10 10 10 20
RAIN SHWRS S S
$$
MDZ011-210915-
BALTIMORE INNER HARBOR-BALTIMORE CITY MD
39.28N 76.61W ELEV. 20 FT
257 PM EST TUE JAN 20 2009
DATE 01/20/09 WED 01/21/09 THU 01/22/09 FRI
EST 3HRLY 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 20 31 23 42 31
TEMP 29 25 24 23 22 22 26 30 30 27 26 25 25 26 33 40 41 37 35 34 33 34
DEWPT 12 15 13 12 11 10 7 8 9 7 9 11 12 12 15 18 20 21 22 23 24 25
RH 48 65 62 62 62 59 44 39 41 42 48 55 57 55 47 41 42 52 59 64 69 69
WIND DIR N NW NW NW NW NW NW W W W W W W W SW SW SW S SW SW SW SW
WIND SPD 12 14 14 14 16 13 11 12 10 8 5 5 4 4 6 10 6 5 4 5 3 3
CLOUDS B1 SC B1 B1 SC FW FW FW SC SC SC FW FW FW FW FW FW FW FW SC SC SC
POP 12HR 0 0 0 0 5
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
DATE 01/23 SAT 01/24/09 SUN 01/25/09 MON 01/26/09 TUE 01/27/09
EST 6HRLY 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 48 30 38 20 33 23 33 28 39
TEMP 46 40 35 31 37 30 25 22 31 29 26 25 32 31 29 30 38 35
DEWPT 28 28 26 22 18 13 11 8 9 8 10 11 16 19 19 22 20 19
PWIND DIR W NW NW N N N NE N W
WIND CHAR LT LT GN GN LT LT LT LT LT
AVG CLOUDS SC SC B1 B1 B1 SC B1 SC SC SC SC B1 B1 B2 B2 B1 B2 B2
POP 12HR 10 10 10 10 10 10 10 10 20
RAIN SHWRS S S
$$
WVZ052-210915-
MARTINSBURG AIRPORT-BERKELEY WV
39.41N 77.98W ELEV. 558 FT
257 PM EST TUE JAN 20 2009
DATE 01/20/09 WED 01/21/09 THU 01/22/09 FRI
EST 3HRLY 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 14 29 18 42 26
TEMP 28 22 20 18 17 16 22 27 28 25 23 22 20 22 31 39 40 35 32 31 29 29
DEWPT 10 13 12 10 9 8 6 9 11 8 10 10 11 11 16 19 20 20 21 22 22 23
RH 46 68 71 70 70 70 49 46 48 48 57 59 67 62 53 44 44 54 63 69 75 78
WIND DIR NW NW NW NW NW NW NW W W W W W SW SW SW SW SW SW SW SW SW SW
WIND SPD 13 13 12 11 12 12 12 12 11 6 5 5 4 4 5 8 6 4 4 4 4 4
CLOUDS B1 B1 B1 B1 SC SC SC SC SC SC SC FW FW FW FW FW FW FW FW SC SC SC
POP 12HR 5 5 5 0 5
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
DATE 01/23 SAT 01/24/09 SUN 01/25/09 MON 01/26/09 TUE 01/27/09
EST 6HRLY 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 47 26 35 17 31 19 32 22 40
TEMP 44 38 32 27 34 27 22 19 29 26 23 21 30 28 25 25 38 35
DEWPT 27 27 24 21 16 12 10 8 8 8 9 9 15 16 17 20 19 16
PWIND DIR W NW NW NW N NE NE NW NW
WIND CHAR LT LT GN GN LT LT LT LT LT
AVG CLOUDS SC SC B1 B2 B1 B1 B1 B1 SC SC B1 B1 B1 B2 B2 B2 B2 OV
POP 12HR 10 10 10 10 10 10 10 10 20
RAIN SHWRS S S
$$
VAZ042-210915-
WASHINGTON DULLES AIRPORT-LOUDOUN VA
38.96N 77.45W ELEV. 321 FT
257 PM EST TUE JAN 20 2009
DATE 01/20/09 WED 01/21/09 THU 01/22/09 FRI
EST 3HRLY 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 13 31 17 43 25
TEMP 29 22 19 18 16 16 23 29 29 25 23 21 20 21 31 40 41 35 32 30 29 29
DEWPT 10 14 13 11 9 7 6 8 9 7 9 10 10 11 15 18 19 19 21 22 22 23
RH 44 71 77 73 73 67 47 40 42 46 54 62 64 65 51 41 41 52 63 72 75 78
WIND DIR N NW NW NW NW NW NW NW W W W W SW SW SW SW SW S SW SW SW SW
WIND SPD 13 13 12 11 12 12 12 12 10 5 3 4 3 4 6 9 8 5 4 4 3 3
CLOUDS B1 SC B1 SC SC FW FW FW SC SC SC FW FW FW FW FW FW FW FW SC SC SC
POP 12HR 0 5 0 0 0
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
DATE 01/23 SAT 01/24/09 SUN 01/25/09 MON 01/26/09 TUE 01/27/09
EST 6HRLY 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 49 28 37 18 33 20 34 25 41
TEMP 46 40 34 29 36 29 24 20 31 27 24 22 32 30 28 27 39 36
DEWPT 27 27 25 22 18 14 11 9 9 8 10 11 16 18 19 21 20 19
PWIND DIR SW NW NW N N NE NE NW NW
WIND CHAR LT LT GN GN LT LT LT LT LT
AVG CLOUDS SC SC B1 B1 B1 B1 B1 B1 SC SC B1 B1 B1 B2 B2 B2 B2 B2
POP 12HR 10 10 10 10 10 10 10 10 20
RAIN SHWRS S S
$$
VAZ037-210915-
CHARLOTTESVILLE AIRPORT-ALBEMARLE VA
38.14N 78.45W ELEV. 640 FT
257 PM EST TUE JAN 20 2009
DATE 01/20/09 WED 01/21/09 THU 01/22/09 FRI
EST 3HRLY 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 14 34 20 45 29
TEMP 29 22 20 18 17 17 25 31 32 28 26 24 23 24 33 42 43 38 35 34 32 32
DEWPT 10 7 7 6 6 5 4 4 5 7 8 9 11 11 15 19 21 22 23 24 24 24
RH 44 52 56 59 61 58 40 31 31 40 46 52 59 57 47 39 41 52 61 66 72 72
WIND DIR N NW NW NW NW W W W SW SW SW W SW SW SW SW SW SW SW SW SW SW
WIND SPD 11 12 10 8 8 9 8 8 6 4 3 3 2 3 5 9 9 6 4 3 3 4
CLOUDS B1 SC B1 SC SC FW FW FW SC SC SC FW FW FW FW FW FW FW FW FW FW FW
POP 12HR 0 5 0 0 5
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
DATE 01/23 SAT 01/24/09 SUN 01/25/09 MON 01/26/09 TUE 01/27/09
EST 6HRLY 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 51 31 41 21 37 24 37 29 45
TEMP 48 42 37 33 40 32 27 23 35 31 28 26 35 34 31 31 43 40
DEWPT 28 29 28 26 22 17 16 13 13 9 12 13 19 21 21 24 24 21
PWIND DIR SW W N N N NE N W SW
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS FW SC B1 B2 B1 B2 B1 B1 SC SC B1 B1 B1 B2 B2 B2 B2 B2
POP 12HR 10 10 20 10 10 10 10 10 20
RAIN SHWRS S S S S
$$
MDZ003-210915-
HAGERSTOWN AIRPORT-WASHINGTON MD
39.71N 77.73W ELEV. 705 FT
257 PM EST TUE JAN 20 2009
DATE 01/20/09 WED 01/21/09 THU 01/22/09 FRI
EST 3HRLY 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 13 28 19 39 27
TEMP 28 21 19 17 16 15 21 26 27 24 23 22 21 22 30 36 37 34 32 31 29 30
DEWPT 11 12 12 9 7 5 6 6 9 8 10 9 11 12 15 18 19 20 21 22 22 22
RH 48 68 74 70 67 64 52 42 46 50 57 57 65 65 53 47 48 56 63 69 75 72
WIND DIR NW NW NW NW NW NW NW W W W W W SW SW SW SW SW SW SW W SW SW
WIND SPD 11 12 11 12 13 13 12 12 11 8 6 6 3 4 6 9 6 5 5 5 4 4
CLOUDS B1 B1 B1 B1 SC SC SC SC B1 SC SC SC SC SC SC SC SC FW FW SC SC SC
POP 12HR 5 5 5 0 5
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
DATE 01/23 SAT 01/24/09 SUN 01/25/09 MON 01/26/09 TUE 01/27/09
EST 6HRLY 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 44 26 33 15 29 18 30 23 37
TEMP 42 36 31 27 32 25 20 17 27 24 21 20 28 27 25 25 35 33
DEWPT 26 26 23 19 15 11 8 6 7 6 8 8 13 14 16 18 18 15
PWIND DIR W NW NW NW NW N NE NW NW
WIND CHAR LT LT GN GN LT LT LT LT LT
AVG CLOUDS SC B1 B2 B2 B1 B1 B1 B1 SC SC B1 B1 B1 B2 B2 B1 B2 OV
POP 12HR 10 10 10 10 10 10 10 10 20
SNOWSHWRS S S
$$
000
FOUS51 KLWX 201438
PFMLWX
POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
938 AM EST TUE JAN 20 2009
VAZ054-202115-
REAGAN NATIONAL AIRPORT-ARLINGTON VA
38.86N 77.03W ELEV. 66 FT
938 AM EST TUE JAN 20 2009
DATE TUE 01/20/09 WED 01/21/09 THU 01/22/09
EST 3HRLY 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 31 17 32 23 42
TEMP 24 28 31 26 23 22 20 20 25 30 31 28 27 26 25 26 33 40 40 36
DEWPT 9 10 10 11 11 11 10 7 6 6 6 8 10 11 12 12 15 18 20 22
RH 52 46 41 52 59 62 64 56 44 35 34 42 48 52 57 55 47 41 44 56
WIND DIR N N N NW NW NW NW NW NW NW W W W W W SW SW SW SW S
WIND SPD 9 10 11 12 12 12 13 13 12 11 10 4 4 4 3 4 8 9 6 6
WIND GUST 20 23
CLOUDS B2 B2 B2 B1 B1 SC SC FW FW SC SC SC SC FW FW FW FW FW FW FW
POP 12HR 20 0 5 0 0
QPF 12HR 0.01 0 0 0 0
SNOW 12HR T 00-00 00-00
SNOWSHWRS S
DATE FRI 01/23/09 SAT 01/24/09 SUN 01/25/09 MON 01/26/09
EST 6HRLY 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 29 50 30 39 21 34 23 35
TEMP 33 32 47 41 36 31 38 31 26 23 32 29 26 25 33 32
DEWPT 23 26 28 29 25 21 17 12 10 8 9 9 14 17 20 22
PWIND DIR SW SW NW NW N N NE N
WIND CHAR LT LT GN BZ GN GN LT GN
AVG CLOUDS FW FW FW SC B1 B1 SC SC SC SC SC FW B1 B2 B2 B1
POP 12HR 5 5 20 20 10 10 10 20
RAIN SHWRS S S S S
SNOWSHWRS S S S S S S
$$
MDZ013-202115-
BALTIMORE/WASHINGTON AIRPORT-ANNE ARUNDEL MD
39.19N 76.67W ELEV. 154 FT
938 AM EST TUE JAN 20 2009
DATE TUE 01/20/09 WED 01/21/09 THU 01/22/09
EST 3HRLY 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 29 17 31 19 42
TEMP 21 26 29 25 23 21 20 19 24 29 30 26 24 23 21 23 31 39 40 35
DEWPT 10 11 11 11 11 11 10 7 6 5 6 8 9 10 11 12 15 18 20 21
RH 62 52 46 55 59 65 64 59 45 35 35 46 52 57 65 62 51 42 44 56
WIND DIR N N N NW NW NW NW NW NW W W W W W W SW SW SW SW S
WIND SPD 11 11 12 14 14 14 16 13 12 12 11 6 5 6 5 5 10 11 8 6
CLOUDS B2 B2 B2 B1 B1 SC SC FW FW SC SC SC SC FW FW FW FW FW FW FW
POP 12HR 10 5 0 0 0
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
DATE FRI 01/23/09 SAT 01/24/09 SUN 01/25/09 MON 01/26/09
EST 6HRLY 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 27 50 29 37 20 33 23 34
TEMP 31 31 47 41 35 30 36 30 25 22 31 29 26 25 33 31
DEWPT 23 25 28 28 25 19 16 12 9 6 9 9 13 15 20 21
PWIND DIR SW SW NW NW N N NE N
WIND CHAR LT GN GN BZ GN GN LT GN
AVG CLOUDS FW FW FW SC B1 B1 SC SC SC SC SC FW B1 B1 B2 B1
POP 12HR 5 5 10 20 10 10 10 20
RAIN SHWRS S S
SNOWSHWRS S S S S
$$
MDZ011-202115-
BALTIMORE INNER HARBOR-BALTIMORE CITY MD
39.28N 76.61W ELEV. 20 FT
938 AM EST TUE JAN 20 2009
DATE TUE 01/20/09 WED 01/21/09 THU 01/22/09
EST 3HRLY 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 29 18 31 21 41
TEMP 21 26 29 25 23 22 21 20 25 29 30 27 25 24 23 24 32 38 39 35
DEWPT 10 11 12 12 11 10 9 6 4 4 5 7 9 11 12 12 15 18 20 21
RH 62 52 48 57 59 59 59 54 40 34 34 42 50 57 62 60 49 44 46 56
WIND DIR N N N NW NW NW NW NW NW W W W W W W SW SW SW SW S
WIND SPD 11 11 12 14 14 14 16 13 11 12 10 5 5 6 5 4 9 10 6 6
CLOUDS B2 B2 B2 B1 B1 B1 SC FW FW SC SC SC SC FW FW FW FW FW FW FW
POP 12HR 10 0 0 0 0
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
DATE FRI 01/23/09 SAT 01/24/09 SUN 01/25/09 MON 01/26/09
EST 6HRLY 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 27 49 30 38 20 33 23 33
TEMP 31 30 46 41 36 31 37 30 25 22 31 29 26 25 32 31
DEWPT 23 25 28 28 24 20 16 12 7 5 9 9 12 14 20 21
PWIND DIR SW SW NW NW N N NE N
WIND CHAR LT GN GN BZ GN LT LT GN
AVG CLOUDS FW FW FW SC B1 B1 SC SC SC SC SC FW B1 B1 B2 B1
POP 12HR 5 10 10 20 10 10 10 20
RAIN SHWRS S S
SNOWSHWRS S S S S
$$
WVZ052-202115-
MARTINSBURG AIRPORT-BERKELEY WV
39.41N 77.98W ELEV. 558 FT
938 AM EST TUE JAN 20 2009
DATE TUE 01/20/09 WED 01/21/09 THU 01/22/09
EST 3HRLY 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 28 14 30 18 42
TEMP 20 25 28 23 20 19 17 17 23 28 29 25 23 22 20 22 31 39 40 35
DEWPT 7 10 10 9 9 8 8 6 5 7 7 8 10 10 11 11 16 19 20 20
RH 56 52 46 54 62 61 67 61 45 40 39 48 57 59 67 62 53 44 44 54
WIND DIR NW N NW NW NW NW NW NW NW W W W W W SW SW SW SW SW SW
WIND SPD 9 11 13 13 12 11 12 12 12 12 11 6 6 5 5 5 8 9 8 6
CLOUDS SC SC B2 B2 B1 B1 SC SC SC SC SC SC SC SC SC FW FW FW FW FW
POP 12HR 10 5 5 5 5
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
DATE FRI 01/23/09 SAT 01/24/09 SUN 01/25/09 MON 01/26/09
EST 6HRLY 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 25 50 26 35 17 31 19 32
TEMP 30 29 47 40 33 27 34 27 22 19 29 26 23 21 30 28
DEWPT 22 23 27 25 24 20 16 12 8 7 9 8 12 12 18 18
PWIND DIR W SW NW NW NW N N N
WIND CHAR LT GN GN GN GN LT LT LT
AVG CLOUDS FW FW SC SC B1 B1 SC B1 SC SC SC SC B2 B2 B2 B1
POP 12HR 5 10 20 10 10 10 20 20
SNOWSHWRS S S S S S S
$$
VAZ042-202115-
WASHINGTON DULLES AIRPORT-LOUDOUN VA
38.96N 77.45W ELEV. 321 FT
938 AM EST TUE JAN 20 2009
DATE TUE 01/20/09 WED 01/21/09 THU 01/22/09
EST 3HRLY 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 29 12 31 18 43
TEMP 21 26 29 23 20 18 16 18 24 29 29 25 23 22 21 22 31 40 41 35
DEWPT 8 9 10 10 10 9 8 7 5 5 5 7 9 10 10 11 15 18 19 19
RH 56 48 44 57 64 67 70 61 43 35 35 46 54 59 62 62 51 41 41 52
WIND DIR N N N NW NW NW NW NW NW NW W W W W SW SW SW SW SW S
WIND SPD 10 12 13 13 12 11 12 12 12 12 10 4 4 4 3 4 9 10 9 6
CLOUDS B2 B2 B2 B1 B1 SC SC FW FW SC SC SC SC FW FW FW FW FW FW FW
POP 12HR 10 0 5 0 0
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
DATE FRI 01/23/09 SAT 01/24/09 SUN 01/25/09 MON 01/26/09
EST 6HRLY 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 24 50 28 37 18 33 20 34
TEMP 30 28 47 40 34 29 36 29 24 20 31 27 24 22 32 30
DEWPT 22 23 27 26 24 19 17 13 9 6 9 10 14 15 19 20
PWIND DIR SW SW NW NW N N NE N
WIND CHAR LT LT GN GN GN LT LT GN
AVG CLOUDS FW FW FW SC B1 B1 SC SC SC SC SC FW B2 B2 B2 B1
POP 12HR 5 10 20 20 10 10 10 20
RAIN SHWRS S S
SNOWSHWRS S S S S S S
$$
VAZ037-202115-
CHARLOTTESVILLE AIRPORT-ALBEMARLE VA
38.14N 78.45W ELEV. 640 FT
938 AM EST TUE JAN 20 2009
DATE TUE 01/20/09 WED 01/21/09 THU 01/22/09
EST 3HRLY 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 29 14 34 20 43
TEMP 22 26 29 24 21 19 18 19 26 32 32 28 26 24 23 24 32 40 41 36
DEWPT 9 10 10 10 9 9 8 4 4 5 5 7 8 9 11 11 15 19 21 22
RH 57 50 44 54 59 64 64 51 38 31 31 40 46 52 59 57 49 42 44 56
WIND DIR N N N NW NW NW NW W W W SW SW W W SW SW SW SW S SW
WIND SPD 9 10 11 12 10 8 8 9 8 8 6 3 4 3 2 3 5 8 8 6
CLOUDS B2 B2 B2 B1 B1 SC SC FW FW SC SC SC SC FW FW FW FW FW FW FW
POP 12HR 20 0 5 0 0
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
SNOWSHWRS S
DATE FRI 01/23/09 SAT 01/24/09 SUN 01/25/09 MON 01/26/09
EST 6HRLY 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 28 51 31 41 21 37 24 37
TEMP 32 32 48 42 37 33 40 32 27 23 35 31 28 26 35 34
DEWPT 24 24 28 28 29 25 21 16 13 10 12 10 17 16 24 23
PWIND DIR SW SW W N N NW N N
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS FW FW FW SC B1 B1 SC SC SC SC SC FW B1 B2 B2 B1
POP 12HR 5 10 30 20 10 10 10 20
RAIN SHWRS S S S S
SNOWSHWRS C C S S S S
$$
MDZ003-202115-
HAGERSTOWN AIRPORT-WASHINGTON MD
39.71N 77.73W ELEV. 705 FT
938 AM EST TUE JAN 20 2009
DATE TUE 01/20/09 WED 01/21/09 THU 01/22/09
EST 3HRLY 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 28 13 28 18 39
TEMP 18 24 28 23 20 18 17 17 22 26 27 24 22 21 20 21 29 36 37 33
DEWPT 7 10 11 10 9 8 7 5 6 6 6 8 10 9 11 12 15 18 19 20
RH 61 54 48 57 62 64 64 58 49 42 40 50 59 59 67 68 55 47 48 58
WIND DIR NW N NW NW NW NW NW NW NW W W W W SW SW S SW SW SW SW
WIND SPD 9 10 11 12 11 12 13 13 12 12 11 6 6 6 4 5 8 10 6 5
CLOUDS SC SC B2 B2 B1 B1 SC SC SC B1 B1 SC SC SC SC SC SC SC SC SC
POP 12HR 10 5 5 5 5
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
DATE FRI 01/23/09 SAT 01/24/09 SUN 01/25/09 MON 01/26/09
EST 6HRLY 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 26 46 26 33 15 29 18 30
TEMP 30 29 43 37 32 27 32 25 20 17 27 24 21 20 28 27
DEWPT 22 22 26 25 23 19 14 10 6 4 7 6 10 11 15 15
PWIND DIR W W NW NW NW N N N
WIND CHAR LT GN GN BZ GN LT LT LT
AVG CLOUDS SC FW SC SC B1 B1 SC B1 SC SC SC SC B1 B1 B2 B1
POP 12HR 5 10 20 10 10 10 20 20
SNOWSHWRS S S S S S S
$$
000
FOUS51 KLWX 200901
PFMLWX
POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
401 AM EST TUE JAN 20 2009
VAZ054-202130-
REAGAN NATIONAL AIRPORT-ARLINGTON VA
38.86N 77.03W ELEV. 66 FT
401 AM EST TUE JAN 20 2009
DATE TUE 01/20/09 WED 01/21/09 THU 01/22/09
EST 3HRLY 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 33 17 32 23 42
TEMP 24 24 28 32 31 26 23 22 20 20 25 30 31 28 27 26 25 26 33 40 40 36
DEWPT 12 10 9 10 10 11 11 11 10 7 6 6 6 8 10 11 12 12 15 18 20 22
RH 60 54 44 39 41 52 59 62 64 56 44 35 34 42 48 52 57 55 47 41 44 56
WIND DIR N N N N N NW NW NW NW NW NW NW W W W W W SW SW SW SW S
WIND SPD 10 9 9 10 11 12 12 12 13 13 12 11 10 4 4 4 3 4 8 9 6 6
CLOUDS B1 B2 B2 B2 B2 B1 B1 SC SC FW FW SC SC SC SC FW FW FW FW FW FW FW
POP 12HR 20 0 5 0 0
QPF 12HR 0.01 0 0 0 0
SNOW 12HR T 00-00 00-00
SNOWSHWRS S S
DATE FRI 01/23/09 SAT 01/24/09 SUN 01/25/09 MON 01/26/09
EST 6HRLY 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 29 50 30 39 19 32 21 36
TEMP 33 32 47 41 36 31 38 30 25 21 30 27 24 23 34 33
DEWPT 23 26 28 29 25 21 17 12 10 8 9 9 14 17 20 22
PWIND DIR SW SW NW NW N N NE N
WIND CHAR LT LT GN BZ GN GN LT GN
AVG CLOUDS FW FW FW SC B1 B1 SC SC SC SC SC FW B1 B2 B2 B1
POP 12HR 5 5 20 20 10 10 10 20
RAIN SHWRS S S S S
SNOWSHWRS S S S S S S
$$
MDZ013-202130-
BALTIMORE/WASHINGTON AIRPORT-ANNE ARUNDEL MD
39.19N 76.67W ELEV. 154 FT
401 AM EST TUE JAN 20 2009
DATE TUE 01/20/09 WED 01/21/09 THU 01/22/09
EST 3HRLY 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 31 17 31 19 42
TEMP 24 23 27 30 30 25 23 21 20 19 24 29 30 26 24 23 21 23 31 39 40 35
DEWPT 12 10 10 11 11 11 11 11 10 7 6 5 6 8 9 10 11 12 15 18 20 21
RH 60 57 48 44 44 55 59 65 64 59 45 35 35 46 52 57 65 62 51 42 44 56
WIND DIR N N N N N NW NW NW NW NW NW W W W W W W SW SW SW SW S
WIND SPD 11 11 11 11 12 14 14 14 16 13 12 12 11 6 5 6 5 5 10 11 8 6
CLOUDS B1 B1 B2 B2 B2 B1 B1 SC SC FW FW SC SC SC SC FW FW FW FW FW FW FW
POP 12HR 10 5 0 0 0
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
DATE FRI 01/23/09 SAT 01/24/09 SUN 01/25/09 MON 01/26/09
EST 6HRLY 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 27 50 26 38 17 32 20 35
TEMP 31 31 47 40 33 28 36 29 23 19 30 27 24 22 33 30
DEWPT 23 25 28 28 25 19 16 12 9 6 9 9 13 15 20 21
PWIND DIR SW SW NW NW N N NE N
WIND CHAR LT GN GN BZ GN GN LT GN
AVG CLOUDS FW FW FW SC B1 B1 SC SC SC SC SC FW B1 B1 B2 B1
POP 12HR 5 5 10 20 10 10 10 20
RAIN SHWRS S S
SNOWSHWRS S S S S
$$
MDZ011-202130-
BALTIMORE INNER HARBOR-BALTIMORE CITY MD
39.28N 76.61W ELEV. 20 FT
401 AM EST TUE JAN 20 2009
DATE TUE 01/20/09 WED 01/21/09 THU 01/22/09
EST 3HRLY 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 31 18 31 21 41
TEMP 26 23 26 30 30 25 23 22 21 20 25 29 30 27 25 24 23 24 32 38 39 35
DEWPT 12 10 10 11 12 12 11 10 9 6 4 4 5 7 9 11 12 12 15 18 20 21
RH 55 57 50 44 46 57 59 59 59 54 40 34 34 42 50 57 62 60 49 44 46 56
WIND DIR N N N N N NW NW NW NW NW NW W W W W W W SW SW SW SW S
WIND SPD 12 11 11 11 12 14 14 14 16 13 11 12 10 5 5 6 5 4 9 10 6 6
CLOUDS B1 B1 B2 B2 B2 B1 B1 B1 SC FW FW SC SC SC SC FW FW FW FW FW FW FW
POP 12HR 10 0 0 0 0
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
DATE FRI 01/23/09 SAT 01/24/09 SUN 01/25/09 MON 01/26/09
EST 6HRLY 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 27 49 27 39 19 31 21 34
TEMP 31 30 46 39 33 29 37 30 25 21 29 27 24 23 32 31
DEWPT 23 25 28 28 24 20 16 12 7 5 9 9 12 14 20 21
PWIND DIR SW SW NW NW N N NE N
WIND CHAR LT GN GN BZ GN LT LT GN
AVG CLOUDS FW FW FW SC B1 B1 SC SC SC SC SC FW B1 B1 B2 B1
POP 12HR 5 10 10 20 10 10 10 20
RAIN SHWRS S S
SNOWSHWRS S S S S
$$
WVZ052-202130-
MARTINSBURG AIRPORT-BERKELEY WV
39.41N 77.98W ELEV. 558 FT
401 AM EST TUE JAN 20 2009
DATE TUE 01/20/09 WED 01/21/09 THU 01/22/09
EST 3HRLY 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 30 14 30 18 42
TEMP 19 17 23 28 28 23 20 19 17 17 23 28 29 25 23 22 20 22 31 39 40 35
DEWPT 8 5 7 10 10 9 9 8 8 6 5 7 7 8 10 10 11 11 16 19 20 20
RH 61 58 50 46 46 54 62 61 67 61 45 40 39 48 57 59 67 62 53 44 44 54
WIND DIR NW NW NW N NW NW NW NW NW NW NW W W W W W SW SW SW SW SW SW
WIND SPD 5 6 9 11 13 13 12 11 12 12 12 12 11 6 6 5 5 5 8 9 8 6
CLOUDS B1 B1 B1 B1 B2 B2 B1 B1 SC SC SC SC SC SC SC SC SC FW FW FW FW FW
POP 12HR 10 5 5 5 5
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
DATE FRI 01/23/09 SAT 01/24/09 SUN 01/25/09 MON 01/26/09
EST 6HRLY 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 25 50 25 36 15 29 17 32
TEMP 30 29 47 39 32 27 35 27 21 17 27 24 21 19 30 26
DEWPT 22 23 27 25 24 20 16 12 8 7 9 8 12 12 18 18
PWIND DIR W SW NW NW NW N N N
WIND CHAR LT GN GN GN GN LT LT LT
AVG CLOUDS FW FW SC SC B1 B1 SC B1 SC SC SC SC B2 B2 B2 B1
POP 12HR 5 10 20 10 10 10 20 20
SNOWSHWRS S S S S S S
$$
VAZ042-202130-
WASHINGTON DULLES AIRPORT-LOUDOUN VA
38.96N 77.45W ELEV. 321 FT
401 AM EST TUE JAN 20 2009
DATE TUE 01/20/09 WED 01/21/09 THU 01/22/09
EST 3HRLY 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 31 12 31 18 43
TEMP 21 18 24 29 29 23 20 18 16 18 24 29 29 25 23 22 21 22 31 40 41 35
DEWPT 10 8 8 9 10 10 10 9 8 7 5 5 5 7 9 10 10 11 15 18 19 19
RH 62 64 50 42 44 57 64 67 70 61 43 35 35 46 54 59 62 62 51 41 41 52
WIND DIR N N N N N NW NW NW NW NW NW NW W W W W SW SW SW SW SW S
WIND SPD 9 8 10 12 13 13 12 11 12 12 12 12 10 4 4 4 3 4 9 10 9 6
CLOUDS B1 B1 B2 B2 B2 B1 B1 SC SC FW FW SC SC SC SC FW FW FW FW FW FW FW
POP 12HR 10 0 5 0 0
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
DATE FRI 01/23/09 SAT 01/24/09 SUN 01/25/09 MON 01/26/09
EST 6HRLY 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 24 50 26 38 16 32 17 34
TEMP 30 28 47 40 33 28 36 28 22 18 30 26 21 20 32 29
DEWPT 22 23 27 26 24 19 17 13 9 6 9 10 14 15 19 20
PWIND DIR SW SW NW NW N N NE N
WIND CHAR LT LT GN GN GN LT LT GN
AVG CLOUDS FW FW FW SC B1 B1 SC SC SC SC SC FW B2 B2 B2 B1
POP 12HR 5 10 20 20 10 10 10 20
RAIN SHWRS S S
SNOWSHWRS S S S S S S
$$
VAZ037-202130-
CHARLOTTESVILLE AIRPORT-ALBEMARLE VA
38.14N 78.45W ELEV. 640 FT
401 AM EST TUE JAN 20 2009
DATE TUE 01/20/09 WED 01/21/09 THU 01/22/09
EST 3HRLY 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 31 14 34 20 43
TEMP 24 23 27 30 29 24 21 19 18 19 26 32 32 28 26 24 23 24 32 40 41 36
DEWPT 12 9 9 10 10 10 9 9 8 4 4 5 5 7 8 9 11 11 15 19 21 22
RH 60 54 46 42 44 54 59 64 64 51 38 31 31 40 46 52 59 57 49 42 44 56
WIND DIR N N N N N NW NW NW NW W W W SW SW W W SW SW SW SW S SW
WIND SPD 9 9 9 10 11 12 10 8 8 9 8 8 6 3 4 3 2 3 5 8 8 6
CLOUDS B1 B2 B2 B2 B2 B1 B1 SC SC FW FW SC SC SC SC FW FW FW FW FW FW FW
POP 12HR 20 0 5 0 0
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
SNOWSHWRS S S
DATE FRI 01/23/09 SAT 01/24/09 SUN 01/25/09 MON 01/26/09
EST 6HRLY 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 28 51 26 42 18 32 21 37
TEMP 32 32 48 40 33 28 40 32 25 20 30 27 24 23 35 32
DEWPT 24 24 28 28 29 25 21 16 13 10 12 10 17 16 24 23
PWIND DIR SW SW W N N NW N N
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS FW FW FW SC B1 B1 SC SC SC SC SC FW B1 B2 B2 B1
POP 12HR 5 10 30 20 10 10 10 20
RAIN SHWRS S S S S
SNOWSHWRS C C S S S S
$$
MDZ003-202130-
HAGERSTOWN AIRPORT-WASHINGTON MD
39.71N 77.73W ELEV. 705 FT
401 AM EST TUE JAN 20 2009
DATE TUE 01/20/09 WED 01/21/09 THU 01/22/09
EST 3HRLY 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 30 13 28 18 39
TEMP 20 15 22 28 28 23 20 18 17 17 22 26 27 24 22 21 20 21 29 36 37 33
DEWPT 7 5 7 10 11 10 9 8 7 5 6 6 6 8 10 9 11 12 15 18 19 20
RH 56 64 52 46 48 57 62 64 64 58 49 42 40 50 59 59 67 68 55 47 48 58
WIND DIR NW NW NW N NW NW NW NW NW NW NW W W W W SW SW S SW SW SW SW
WIND SPD 6 8 9 10 11 12 11 12 13 13 12 12 11 6 6 6 4 5 8 10 6 5
CLOUDS SC B1 B1 B1 B2 B2 B1 B1 SC SC SC B1 B1 SC SC SC SC SC SC SC SC SC
POP 12HR 10 5 5 5 5
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
DATE FRI 01/23/09 SAT 01/24/09 SUN 01/25/09 MON 01/26/09
EST 6HRLY 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 26 46 25 34 14 27 16 31
TEMP 30 29 43 37 31 26 33 25 20 16 25 22 19 18 29 27
DEWPT 22 22 26 25 23 19 14 10 6 4 7 6 10 11 15 15
PWIND DIR W W NW NW NW N N N
WIND CHAR LT GN GN BZ GN LT LT LT
AVG CLOUDS SC FW SC SC B1 B1 SC B1 SC SC SC SC B1 B1 B2 B1
POP 12HR 5 10 20 10 10 10 20 20
SNOWSHWRS S S S S S S
$$
000
FOUS51 KLWX 200110 AAA
PFMLWX
POINT FORECAST MATRICES...UPDATED
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
810 PM EST MON JAN 19 2009
VAZ054-200915-
REAGAN NATIONAL AIRPORT-ARLINGTON VA
38.86N 77.03W ELEV. 66 FT
810 PM EST MON JAN 19 2009
DATE 01/19/09 TUE 01/20/09 WED 01/21/09 THU
EST 3HRLY 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 22 31 19 32 22
TEMP 26 25 24 24 27 30 30 26 24 23 21 21 26 30 31 28 26 25 24 25
DEWPT 24 20 17 13 13 12 11 13 13 11 10 8 7 8 8 9 11 12 13 14
RH 92 81 74 62 55 46 44 57 62 59 62 56 44 39 37 44 52 57 62 62
WIND DIR N N N N N N N NW NW NW NW NW NW W W W W W W SW
WIND SPD 8 9 8 10 13 13 16 12 13 13 12 12 13 11 9 6 5 4 4 4
CLOUDS B1 B1 B1 B2 B2 B2 B2 B1 B1 SC SC SC SC FW FW SC SC FW FW FW
POP 12HR 10 30 10 5 5
QPF 12HR 0 0.02 0 0 0
SNOW 12HR 00-00 T 00-00
SNOW
SNOWSHWRS S C
DATE 01/22 FRI 01/23/09 SAT 01/24/09 SUN 01/25/09 MON 01/26/09
EST 6HRLY 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 44 29 48 28 37 20 35 24 40
TEMP 41 37 33 32 46 39 34 29 36 30 25 22 33 30 27 26 38 35
DEWPT 19 22 23 24 28 30 26 20 20 18 16 12 12 13 16 19 21 22
PWIND DIR SW SW SW NW N N N SE S
WIND CHAR LT LT LT LT LT LT LT LT GN
AVG CLOUDS FW FW FW FW FW FW SC SC SC SC SC SC SC SC SC SC B1 B1
POP 12HR 5 5 5 10 20 10 5 10 20
RAIN SHWRS S S S S
SNOWSHWRS S S S S C C S S S S
$$
MDZ013-200915-
BALTIMORE/WASHINGTON AIRPORT-ANNE ARUNDEL MD
39.19N 76.67W ELEV. 154 FT
810 PM EST MON JAN 19 2009
DATE 01/19/09 TUE 01/20/09 WED 01/21/09 THU
EST 3HRLY 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 22 30 18 31 20
TEMP 26 25 24 24 27 29 29 25 23 22 20 20 25 29 30 26 24 23 22 23
DEWPT 23 19 15 12 14 11 11 13 13 12 10 8 7 7 8 10 12 12 13 14
RH 88 78 68 60 57 46 46 60 65 65 64 59 46 39 39 50 60 62 68 68
WIND DIR N N N N N N NW NW NW NW NW NW NW W W W W W W SW
WIND SPD 8 8 8 9 13 13 16 12 12 13 14 12 13 12 10 6 6 6 5 5
CLOUDS B1 B1 B1 B1 B1 B2 B2 B1 B1 SC SC SC SC SC SC SC SC FW FW FW
POP 12HR 10 10 10 5 5
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
SNOW
DATE 01/22 FRI 01/23/09 SAT 01/24/09 SUN 01/25/09 MON 01/26/09
EST 6HRLY 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 41 29 48 27 37 19 35 23 39
TEMP 38 36 33 32 46 39 33 29 36 29 24 21 33 30 27 25 37 34
DEWPT 19 23 23 24 28 30 25 19 19 18 15 11 11 12 16 18 21 23
PWIND DIR SW SW SW W N N N SE S
WIND CHAR LT LT LT LT LT LT LT LT GN
AVG CLOUDS FW FW FW FW FW FW SC SC SC SC SC SC SC SC SC SC B1 B1
POP 12HR 5 5 5 10 20 10 5 10 20
RAIN SHWRS S S S S
SNOWSHWRS S S S S C C S S S S
$$
MDZ011-200915-
BALTIMORE INNER HARBOR-BALTIMORE CITY MD
39.28N 76.61W ELEV. 20 FT
810 PM EST MON JAN 19 2009
DATE 01/19/09 TUE 01/20/09 WED 01/21/09 THU
EST 3HRLY 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 24 31 19 30 24
TEMP 28 27 26 25 28 30 30 26 24 23 21 21 25 29 29 27 26 26 25 27
DEWPT 23 19 15 13 14 11 11 13 12 11 9 7 6 7 8 9 12 12 13 14
RH 81 71 62 60 55 44 44 57 60 59 59 54 44 39 40 46 55 55 60 57
WIND DIR NW N N N N N NW NW NW NW NW NW NW W W W W W W W
WIND SPD 8 8 8 9 12 13 14 12 12 13 14 12 13 12 10 6 6 5 5 5
CLOUDS B1 B1 B1 B1 B1 B2 B1 B1 B1 SC SC SC SC SC SC SC SC FW FW FW
POP 12HR 20 10 10 5 5
QPF 12HR 0.01 0 0 0 0
SNOW 12HR T 00-00 00-00
SNOW
SNOWSHWRS
DATE 01/22 FRI 01/23/09 SAT 01/24/09 SUN 01/25/09 MON 01/26/09
EST 6HRLY 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 42 30 48 27 37 20 35 24 40
TEMP 40 37 34 33 46 39 33 29 36 30 25 22 33 30 27 26 38 35
DEWPT 19 22 24 25 28 30 26 20 20 18 15 11 12 13 16 19 22 23
PWIND DIR SW SW SW W N N N SE S
WIND CHAR GN LT LT LT LT LT LT LT GN
AVG CLOUDS FW FW FW FW FW SC SC SC SC SC SC SC SC SC SC SC B1 B1
POP 12HR 5 5 5 10 20 10 5 10 20
RAIN SHWRS S S S S
SNOWSHWRS S S S S C C S S
$$
WVZ052-200915-
MARTINSBURG AIRPORT-BERKELEY WV
39.41N 77.98W ELEV. 558 FT
810 PM EST MON JAN 19 2009
DATE 01/19/09 TUE 01/20/09 WED 01/21/09 THU
EST 3HRLY 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 16 28 14 31 17
TEMP 22 20 19 20 23 27 27 22 20 18 17 17 23 29 29 25 23 21 20 21
DEWPT 19 15 12 12 11 11 10 11 11 9 8 7 7 9 9 9 11 11 12 12
RH 88 81 74 71 59 50 48 62 67 67 67 64 50 42 42 50 59 65 71 68
WIND DIR NW NW NW NW N NW NW NW NW NW NW NW NW W W W W W SW SW
WIND SPD 5 6 5 6 11 12 13 12 12 12 12 11 12 11 11 6 6 5 4 4
CLOUDS B1 B1 B1 B1 B1 B2 B1 B1 B1 SC SC SC SC SC SC SC SC FW FW FW
POP 12HR 30 10 10 10 10
QPF 12HR 0.01 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
SNOW
SNOWSHWRS
DATE 01/22 FRI 01/23/09 SAT 01/24/09 SUN 01/25/09 MON 01/26/09
EST 6HRLY 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 42 26 47 23 34 16 30 19 37
TEMP 39 35 31 29 44 37 30 25 33 26 21 18 28 25 22 22 35 31
DEWPT 21 22 20 21 24 26 22 17 17 17 13 9 10 10 12 14 15 15
PWIND DIR SW SW W NW N N NE SE S
WIND CHAR LT LT LT LT LT LT LT LT GN
AVG CLOUDS FW FW FW FW SC SC SC SC SC SC SC SC SC SC SC SC B1 B1
POP 12HR 5 5 10 20 20 10 5 10 20
SNOWSHWRS C C S S C C S S S S
$$
VAZ042-200915-
WASHINGTON DULLES AIRPORT-LOUDOUN VA
38.96N 77.45W ELEV. 321 FT
810 PM EST MON JAN 19 2009
DATE 01/19/09 TUE 01/20/09 WED 01/21/09 THU
EST 3HRLY 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 18 30 15 32 16
TEMP 24 23 21 22 25 29 28 23 21 19 18 18 24 30 30 25 22 21 19 20
DEWPT 23 18 15 12 11 10 9 12 12 10 8 7 6 6 7 8 10 10 12 12
RH 96 81 77 65 55 44 44 62 68 67 64 61 45 35 37 48 59 62 74 71
WIND DIR N N N N N N N NW NW NW NW NW NW W W W W W W SW
WIND SPD 8 6 6 9 12 13 16 11 12 13 12 11 12 11 10 5 4 3 3 4
CLOUDS B1 B1 B1 B1 B1 B2 B1 B1 B1 SC SC SC SC SC SC SC SC FW FW FW
POP 12HR 10 10 10 5 5
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
SNOW
DATE 01/22 FRI 01/23/09 SAT 01/24/09 SUN 01/25/09 MON 01/26/09
EST 6HRLY 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 43 25 48 24 36 16 34 20 39
TEMP 39 35 30 29 45 38 31 26 34 27 22 19 32 28 24 23 37 33
DEWPT 20 22 20 23 25 28 23 18 17 16 13 10 10 11 14 16 17 18
PWIND DIR SW SW W NW N N N SE S
WIND CHAR LT LT LT LT LT LT LT LT GN
AVG CLOUDS FW FW FW FW FW SC SC SC SC SC SC SC SC SC SC SC B1 B1
POP 12HR 5 5 5 10 20 10 5 10 20
RAIN SHWRS S S S S
SNOWSHWRS S S S S C C S S S S
$$
VAZ037-200915-
CHARLOTTESVILLE AIRPORT-ALBEMARLE VA
38.14N 78.45W ELEV. 640 FT
810 PM EST MON JAN 19 2009
DATE 01/19/09 TUE 01/20/09 WED 01/21/09 THU
EST 3HRLY 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 22 31 16 35 20
TEMP 26 25 24 24 27 30 29 24 22 20 19 19 26 33 33 28 26 24 23 24
DEWPT 20 16 14 11 10 10 9 10 10 8 7 7 6 7 8 9 12 11 14 13
RH 78 68 65 57 48 42 42 54 59 59 59 59 42 33 34 44 55 57 68 62
WIND DIR N N N N N N N NW NW NW NW NW W W W SW SW W W SW
WIND SPD 5 4 4 8 11 11 11 10 9 8 6 6 6 6 6 2 2 3 3 3
CLOUDS B1 B1 B2 B2 B2 B2 B1 B1 B1 SC SC FW FW FW FW SC SC FW FW FW
POP 12HR 10 10 10 5 5
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
SNOW
DATE 01/22 FRI 01/23/09 SAT 01/24/09 SUN 01/25/09 MON 01/26/09
EST 6HRLY 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 46 29 50 28 39 20 35 23 41
TEMP 43 39 34 32 47 40 34 30 38 31 26 22 33 30 27 26 39 35
DEWPT 21 24 21 23 25 27 22 17 15 10 11 12 12 11 15 18 20 21
PWIND DIR SW SW W NW N N NE SE S
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS FW FW FW FW FW FW SC SC SC SC SC SC SC SC FW SC B1 B1
POP 12HR 5 5 10 20 20 10 5 10 20
RAIN SHWRS S S S S
SNOWSHWRS S S S S C C S S S S
$$
MDZ003-200915-
HAGERSTOWN AIRPORT-WASHINGTON MD
39.71N 77.73W ELEV. 705 FT
810 PM EST MON JAN 19 2009
DATE 01/19/09 TUE 01/20/09 WED 01/21/09 THU
EST 3HRLY 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 17 27 14 29 18
TEMP 22 21 20 20 23 26 26 21 19 18 17 16 22 27 28 24 22 21 20 21
DEWPT 19 15 12 10 12 11 11 12 10 8 7 6 7 8 9 10 11 10 12 12
RH 88 77 71 64 62 52 52 68 67 64 64 64 52 44 44 54 62 62 71 68
WIND DIR NW N N N NW N NW NW NW NW NW NW NW W W W W W SW SW
WIND SPD 6 5 5 6 11 13 14 12 12 12 12 12 12 11 10 6 5 5 5 4
CLOUDS B1 SC B1 B1 B1 B2 B1 B1 B1 SC SC SC SC SC SC SC SC SC SC FW
POP 12HR 40 10 10 10 10
QPF 12HR 0.01 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
SNOW
SNOWSHWRS
DATE 01/22 FRI 01/23/09 SAT 01/24/09 SUN 01/25/09 MON 01/26/09
EST 6HRLY 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 40 25 44 22 32 15 28 18 35
TEMP 37 33 29 28 42 34 28 24 31 25 20 17 26 24 21 21 33 29
DEWPT 20 21 19 21 24 26 21 16 16 16 12 9 9 10 12 13 14 15
PWIND DIR SW SW W NW N N NE S S
WIND CHAR LT LT LT LT LT LT LT LT GN
AVG CLOUDS FW SC SC FW SC SC SC SC SC SC SC SC SC SC SC SC B1 B1
POP 12HR 5 5 10 20 20 10 10 10 20
SNOWSHWRS C C S S C C S S S S
$$
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