Note:
The expiration time in the watch graphic is amended if the watch is
replaced, cancelled or extended.
Note: Click for
Watch Status Reports.
SEL6
URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 246
NWS STORM PREDICTION CENTER NORMAN OK
545 PM EDT TUE MAY 5 2009
THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF
NORTHERN NORTH CAROLINA
CENTRAL AND EASTERN SOUTH CAROLINA
COASTAL WATERS
EFFECTIVE THIS TUESDAY AFTERNOON FROM 545 PM UNTIL MIDNIGHT EDT.
TORNADOES...HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND
GUSTS TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE
AREAS.
THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 45 STATUTE
MILES NORTH AND SOUTH OF A LINE FROM 70 MILES SOUTHWEST OF
CHARLOTTE NORTH CAROLINA TO 20 MILES SOUTHEAST OF ELIZABETH CITY
NORTH CAROLINA. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU6).
REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR
TORNADOES AND SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH
AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR
THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS
AND POSSIBLE WARNINGS.
OTHER WATCH INFORMATION...CONTINUE...WW 244...WW 245...
DISCUSSION...ISOLATED SEVERE/SUPERCELL THUNDERSTORMS ARE INCREASING
FROM NORTHERN SC INTO CENTRAL AND EASTERN NC...IN REGION OF MODERATE
INSTABILITY AND FAVORABLE VERTICAL SHEAR. THREAT MAY PERSIST FOR
ANOTHER 2-3 HOURS BEFORE SHORTWAVE TROUGH DEPARTS AREA AND DAYTIME
HEATING SUBSIDES.
AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 2 INCHES. EXTREME TURBULENCE AND SURFACE
WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
500. MEAN STORM MOTION VECTOR 26030.
...HART
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW6
WW 246 TORNADO NC SC CW 052145Z - 060400Z
AXIS..45 STATUTE MILES NORTH AND SOUTH OF LINE..
70SW CLT/CHARLOTTE NC/ - 20SE ECG/ELIZABETH CITY NC/
..AVIATION COORDS.. 40NM N/S /32S SPA - 17SE ECG/
HAIL SURFACE AND ALOFT..2 INCHES. WIND GUSTS..60 KNOTS.
MAX TOPS TO 500. MEAN STORM MOTION VECTOR 26030.
LAT...LON 35158181 36727593 35407593 33848181
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU6.
Watch 246 Status Report Messages:
STATUS REPORT #1 ON WW 246
VALID 052230Z - 052340Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..HURLBUT..05/05/09
ATTN...WFO...RAH...MHX...AKQ...ILM...GSP...CAE...
&&
STATUS REPORT FOR WT 246
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
NCC007-013-015-017-025-029-031-037-041-045-049-051-053-061-063-
065-069-071-073-079-083-085-091-093-095-101-103-105-107-117-119-
123-125-127-131-133-137-139-143-147-153-155-163-165-167-177-179-
183-187-191-195-052340-
NC
. NORTH CAROLINA COUNTIES INCLUDED ARE
ANSON BEAUFORT BERTIE
BLADEN CABARRUS CAMDEN
CARTERET CHATHAM CHOWAN
CLEVELAND CRAVEN CUMBERLAND
CURRITUCK DUPLIN DURHAM
EDGECOMBE FRANKLIN GASTON
GATES GREENE HALIFAX
HARNETT HERTFORD HOKE
HYDE JOHNSTON JONES
LEE LENOIR MARTIN
MECKLENBURG MONTGOMERY MOORE
NASH NORTHAMPTON ONSLOW
PAMLICO PASQUOTANK PERQUIMANS
PITT RICHMOND ROBESON
SAMPSON SCOTLAND STANLY
TYRRELL UNION WAKE
WASHINGTON WAYNE WILSON
$$
SCC021-023-025-033-039-055-057-059-069-071-083-087-091-052340-
SC
. SOUTH CAROLINA COUNTIES INCLUDED ARE
CHEROKEE CHESTER CHESTERFIELD
DILLON FAIRFIELD KERSHAW
LANCASTER LAURENS MARLBORO
NEWBERRY SPARTANBURG UNION
YORK
$$
AMZ130-ANZ633-052340-
CW
. ADJACENT COASTAL WATERS INCLUDED ARE
ALBEMARLE SOUND
CURRITUCK SOUND
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
Note:
Click for Complete Product Text.
Tornadoes
Probability of 2 or more tornadoes
|
Mod (40%)
|
Probability of 1 or more strong (F2-F5) tornadoes
|
Low (20%)
|
Wind
Probability of 10 or more severe wind events
|
Mod (30%)
|
Probability of 1 or more wind events > 65 knots
|
Mod (30%)
|
Hail
Probability of 10 or more severe hail events
|
Mod (40%)
|
Probability
of 1 or
more hailstones > 2 inches
|
Mod (30%)
|
Combined Severe Hail/Wind
Probability of 6 or more combined severe hail/wind events
|
High (70%)
|
For each watch, probabilities for particular events inside the watch
(listed above in each table) are determined by the issuing forecaster.
The "Low" category contains probability values ranging from less than 2%
to 20% (F2-F5 tornadoes), less than 5% to 20% (all other probabilities),
"Moderate" from 30% to 60%, and "High" from 70% to greater than 95%.
High values are bolded and lighter in color to provide awareness of
an increased threat for a particular event.