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
SEVERE THUNDERSTORM WATCH NUMBER 236
NWS STORM PREDICTION CENTER NORMAN OK
730 PM EDT SUN MAY 3 2009
THE NWS STORM PREDICTION CENTER HAS ISSUED A
SEVERE THUNDERSTORM WATCH FOR PORTIONS OF
NORTHEAST GEORGIA
UPSTATE AND CENTRAL SOUTH CAROLINA
EFFECTIVE THIS SUNDAY NIGHT FROM 730 PM UNTIL MIDNIGHT EDT.
HAIL TO 1 INCH IN DIAMETER...THUNDERSTORM WIND GUSTS TO 70
MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.
THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 45
STATUTE MILES EAST AND WEST OF A LINE FROM 35 MILES WEST
NORTHWEST OF GREENVILLE SOUTH CAROLINA TO 70 MILES SOUTH
SOUTHEAST OF ANDERSON SOUTH CAROLINA. FOR A COMPLETE DEPICTION
OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS
WOU6).
REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE
FAVORABLE FOR 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. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY
DO PRODUCE TORNADOES.
OTHER WATCH INFORMATION...CONTINUE...WW 235...
DISCUSSION...BOWING LINE OF THUNDERSTORMS WILL CONTINUE TO POSE A
RISK OF LOCALLY DAMAGING WINDS FOR ANOTHER FEW HOURS AS THEY TRACK
INTO SC. SATELLITE...RADAR...AND LIGHTNING DATA SUGGEST LINE IS
DECREASING IN INTENSITY. HOWEVER...STRONG WINDS ALOFT AND MESOSCALE
ORGANIZATION OF SYSTEM WILL MAINTAIN RISK OF SEVERE WEATHER FOR
AWHILE LONGER.
AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
TO 1 INCH. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60 KNOTS.
A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 400. MEAN STORM MOTION
VECTOR 25035.
...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 236 SEVERE TSTM GA SC 032330Z - 040400Z
AXIS..45 STATUTE MILES EAST AND WEST OF LINE..
35WNW GSP/GREENVILLE SC/ - 70SSE AND/ANDERSON SC/
..AVIATION COORDS.. 40NM E/W /34NE ODF - 10SSW IRQ/
HAIL SURFACE AND ALOFT..1 INCH. WIND GUSTS..60 KNOTS.
MAX TOPS TO 400. MEAN STORM MOTION VECTOR 25035.
LAT...LON 35098200 33568147 33568304 35098358
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU6.
Watch 236 Status Report Messages:
STATUS REPORT #2 ON WW 236
VALID 040135Z - 040240Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 40 ESE SPA
TO 20 SSE AHN.
..HURLBUT..05/04/09
ATTN...WFO...CAE...GSP...
&&
STATUS REPORT FOR WS 236
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
GAC105-119-137-147-241-257-040240-
GA
. GEORGIA COUNTIES INCLUDED ARE
ELBERT FRANKLIN HABERSHAM
HART RABUN STEPHENS
$$
SCC001-007-045-047-059-073-077-083-087-040240-
SC
. SOUTH CAROLINA COUNTIES INCLUDED ARE
ABBEVILLE ANDERSON GREENVILLE
GREENWOOD LAURENS OCONEE
PICKENS SPARTANBURG UNION
$$
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.
$$
STATUS REPORT #1 ON WW 236
VALID 040035Z - 040140Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
..HURLBUT..05/04/09
ATTN...WFO...CAE...GSP...
&&
STATUS REPORT FOR WS 236
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
GAC073-105-119-137-147-181-189-241-257-040140-
GA
. GEORGIA COUNTIES INCLUDED ARE
COLUMBIA ELBERT FRANKLIN
HABERSHAM HART LINCOLN
MCDUFFIE RABUN STEPHENS
$$
SCC001-007-037-045-047-059-065-071-073-077-081-083-087-040140-
SC
. SOUTH CAROLINA COUNTIES INCLUDED ARE
ABBEVILLE ANDERSON EDGEFIELD
GREENVILLE GREENWOOD LAURENS
MCCORMICK NEWBERRY OCONEE
PICKENS SALUDA SPARTANBURG
UNION
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
Note:
Click for Complete Product Text.
Tornadoes
Probability of 2 or more tornadoes
|
Low (20%)
|
Probability of 1 or more strong (F2-F5) tornadoes
|
Low (5%)
|
Wind
Probability of 10 or more severe wind events
|
Low (10%)
|
Probability of 1 or more wind events > 65 knots
|
Low (<5%)
|
Hail
Probability of 10 or more severe hail events
|
Mod (30%)
|
Probability
of 1 or
more hailstones > 2 inches
|
Low (20%)
|
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.