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Poinsett Fire Weather Point Forecast Matrix
ARZ027-151000-
POINSETT NFDRS SITE-POINSETT AR
35.53N 90.69W ELEV. 335 FT
256 PM CDT THU MAY 14 2009
DATE 05/14/09 FRI 05/15/09 SAT 05/16/09 SUN
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
CDT 3HRLY 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07
MIN/MAX 65 86 69 79 55
TEMP 79 78 72 69 67 66 77 82 85 83 75 72 71 70 79 79 78 74 69 65 60 56
DEWPT 68 67 67 67 67 66 69 70 69 69 69 69 69 69 69 69 66 63 59 55 54 53
MAX/MIN RH 100 59 97 65 90
RH 68 69 85 91100100 76 66 59 63 82 89 94 97 73 71 65 68 70 69 81 89
WIND DIR SW S S SE SE SE S S S S S S S S SW NW N NE N N N N
WIND SPD 4 3 2 1 1 3 6 11 11 9 6 4 4 4 2 2 3 6 10 12 11 9
HEAT INDEX 86 89 86
CLOUDS B1 SC SC B2 B2 B2 B1 B1 B1 B1 B1 B1 B1 B1 B1 B2 B2 OV OV OV OV B2
CLOUDS(%) 65 50 50 70 70 70 65 65 65 60 60 60 60 65 65 75 75 90 90 90 90 75
POP 12HR 10 40 10 70 60
QPF 12HR 0 0.06 0 0.51 0.13
RAIN SHWRS SC SC SC SC SC NM NM NM NM NM NM NM NM
TSTMS SC SC SC SC SC NM NM NM NM NM NM NM NM
MIXHGT M AGL 1026 12 1504 1124 298 7 1122 1024 313 407
MIXHGT FT AGL 3366 39 4933 3688 977 22 3682 3358 1028 1334
MIXHGT M MSL 1116 98 1596 1221 384 91 1219 1119 401 495
MIXHGT FT MSL 3660 322 5236 4005 1259 298 4000 3670 1314 1623
TRANSWIND DIR SE SE S S S S W NE NE NE
TWIND SPD MS 2 2 7 9 3 2 3 9 8 9
TWIND SPD MPH 5 4 17 20 8 5 8 21 19 21
VENT INDEX 3174 12768 2160 7314 4302
CATEGORY DAY 3 4 1 3 3
500M MIXHGT T 82 81 81 79 79 80 80 73 67 61
500M TWND DIR SE S S S S SW W NE NE NE
500M TWND M/S 5 6 7 9 9 8 4 10 13 13
500M TWND MPH 12 13 17 21 21 19 10 24 31 31
DISPERSION 3 5 60 55 15 4 33 49 20 45
LASI 4 4 3 4 4 3 3 3 2 3
STABILITY C F D C C F E B C D
STAG INDEX 1 0 0 0 0
DATE 05/17 MON 05/18/09 TUE 05/19/09 WED 05/20/09 THU 05/21/09
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
CDT 6HRLY 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19
MAX/MIN 71 49 76 53 80 59 85 63 87
TEMP 70 69 57 50 72 73 59 54 74 77 63 60 80 81 67 64 83 83
DEWPT 50 50 49 48 48 53 53 51 53 58 60 60 60 62 62 62 62 64
MIN/MAX RH 48 94 41 92 43 99 45 92 46
RH 48 51 74 94 44 50 83 91 49 51 87 99 51 52 82 92 50 53
WIND DIR NE NE NE NE NE NE NE NE NE
WIND SPD 9 6 7 3 3 4 3 4 5
BELOW IS A WEATHER ELEMENT KEY FOR THIS PRODUCT
DAY 1 THROUGH 3...
MAX/MIN TEMP OR MIN/MAX TEMP (F)....MAXIMUM/MINIMUM AIR TEMPERATURE
TEMP (F)............................AIR TEMPERATURE
DEWPT (F)...........................DEW POINT TEMPERATURE
MIN/MAX RH OR MAX/MIN RH (%)........MAXIMUM/MINIMUM HUMIDITY
RH (%)..............................RELATIVE HUMIDITY
WIND DIR (8 POINT COMPASS)..........20 FT. WIND DIRECTION
WIND SPD (MPH)......................20 FT. WIND SPEED
WIND CHILL (F)......................WIND CHILL TEMPERATURE
HEAT INDEX (F)......................HEAT INDEX
CLOUDS (CAT)........................CLOUD COVER CATEGORY
EXAMPLE: CL = CLEAR; FW = FEW; SC = SCATTERED;
B1 = MOSTLY CLOUDY; B2 = CONSIDERABLE CLOUDS; OV = OVERCAST
CLOUDS (%)..........................CLOUD COVER AS A PERCENTAGE
POP 12HR (%)........................PROBABILITY FOR ACCUMULATING PRECIPITATION
QPF 12HR (IN).......................LIQUID EQUIVALENT PRECIPITATION AMOUNT
WEATHER...
TYPE...
RAIN...........RAIN
RAIN SHWRS.....RAIN SHOWERS
TSTMS..........THUNDERSTORMS
DRIZZLE........DRIZZLE
SNOW...........SNOW
SNOWSHWRS......SNOW SHOWERS
SLEET..........SLEET
FLURRIES.......FLURRIES
FRZG RAIN......FREEZING RAIN
FRZG DRZL......FREEZING DRIZZLE
COVERAGE...
IS.............ISOLATED
SC.............SCATTERED
NM.............NUMEROUS
O..............OCCASIONAL
S..............SLIGHT CHANCE
C..............CHANCE
L..............LIKELY
WD.............WIDESPREAD
D..............DEFINITE
AR.............AREAS
PA.............PATCHY
OBVIS...............................OBSTRUCTION TO VISIBILITY
TYPE...
F..............FOG
PF.............PATCHY FOG
+PF............PATCHY DENSE FOG
F+.............DENSE FOG
H..............HAZE
BS.............BLOWING SNOW
K..............SMOKE
BD.............BLOWING DUST
MIXING HGT M (AGL)..................MIXING HEIGHT IN METERS
MIXING HGT FT (AGL).................MIXING HEIGHT IN FEET
TRANSWIND DIR (8 POINT COMPASS).....TRANSPORT WIND DIRECTION
TWIND SPD MS (M/S)..................TRANSPORT WIND SPEED IN METERS PER SECOND
TWIND SPD MPH (MPH).................TRANSPORT WIND SPEED IN MILES PER HOUR
VENT INDEX (M2/S)...................VENT INDEX IN METERS SQUARED PER SECOND
CATEGORY DAY........................CATEGORY DAY BASED ON VENT INDEX
EXAMPLE: 1 = <2000; 2 = >=2000 AND <4000; 3 = >=4000 AND <8000;
4 = >=8000 AND <16000; 5 = >=16000
500M MIXHGT T (F)...................SURFACE TEMPERATURE NEEDED TO CREATE MIXING
UP TO 500 METERS ABOVE THE GROUND
500M TWND DIR (8 POINT COMPASS).....TRANSPORT WIND DIRECTION AT 500 METERS AGL
500M TWND M/S.......................TRANSPORT WIND AT 500 METERS AGL IN M/S
500M TWND MPH.......................TRANSPORT WIND AT 500 METERS AGL IN MPH
LASI (SAME AS HAINES INDEX).........LOWER ATMOSPHERIC SEVERITY INDEX
MEASURES FIRE GROWTH POTENTIAL
EXAMPLE: 1-3 = VERY LOW; 4 = LOW; 5 = MODERATE; 6 = HIGH
STABILITY...........................STABILITY CLASS
EXAMPLE: A = VERY UNSTABLE; B = MODERATELY UNSTABLE; C = SLIGHTLY UNSTABLE
D = NEUTRAL; E = SLIGHTLY STABLE; F = MODERATELY STABLE
G = VERY STABLE
STAG INDEX..........................STAGNATION INDEX
EXAMPLE: 0 = WINDS >= 10 MPH; 1 = WINDS <= 10 MPH WITH RAIN
2 = DRY WITH DECENT WINDS
3 = DRY WITH LIGHT WINDS AND STAGNATE CONDITIONS
WATCH/WARNING/ADVISORY...
EXAMPLE: W = WARNING; Y = ADVISORY; A = WATCH
IN EFFECT FOR THE INDICATED HOUR
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