Severe Thunderstorm Watch 331

Issued

May 20, 2008, 9:42 PM EDT (01:42 UTC)

Expired

May 21, 2008, 1:26 AM EDT

In force

4 hr

Issued by

the Storm Prediction Center

Largest hail expected

1.5 in

Strongest gust expected

60 kt

The Robins AFB radar (KJGX), 15 km from the middle of the area, began a volume at 01:45 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

Two or more tornadoes

10%

One or more EF2 to EF5 tornadoes

5%

Ten or more severe wind reports

40%

One or more gusts of 65 knots or more

30%

Ten or more severe hail reports

40%

One or more hailstones of 2 inches or more

20%

Six or more combined severe hail and wind reports

80%

• Mesoscale Discussion 957May 20, 7:19 PM EDT
• Mesoscale Discussion 958May 20, 8:24 PM EDT
• Mesoscale Discussion 959May 20, 9:05 PM EDT
• Mesoscale Discussion 960May 21, 12:09 AM EDT

000
WWUS20 KWNS 210140
SEL1  
SPC WW 210140
GAZ000-SCZ000-CWZ000-210700-

URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 331
NWS STORM PREDICTION CENTER NORMAN OK
940 PM EDT TUE MAY 20 2008

THE NWS STORM PREDICTION CENTER HAS ISSUED A
SEVERE THUNDERSTORM WATCH FOR PORTIONS OF 

       CENTRAL GEORGIA
       SOUTHEAST SOUTH CAROLINA
       COASTAL WATERS

EFFECTIVE THIS TUESDAY NIGHT AND WEDNESDAY MORNING FROM 940 PM
UNTIL 300 AM EDT.

HAIL TO 1.5 INCHES 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 35
STATUTE MILES NORTH AND SOUTH OF A LINE FROM 15 MILES SOUTH
SOUTHWEST OF LA GRANGE GEORGIA TO 15 MILES NORTHEAST OF SAVANNAH
GEORGIA.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU1).

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 328...WW 329...WW 330...

DISCUSSION...LINE OF INTENSE THUNDERSTORMS IS SAGGING SOUTHWARD
ACROSS CENTRAL GA.  BOWING SEGMENTS ALONG LINE WILL CONTINUE TO POSE
A RISK OF LOCALLY DAMAGING WINDS AND HAIL FOR ANOTHER FEW HOURS
BEFORE A GENERAL WEAKENING TREND IS EXPECTED.

AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
TO 1.5 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60
KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 450. MEAN STORM
MOTION VECTOR 29030.


...HART

Severe Thunderstorm Watches in Georgia, 2008Severe Thunderstorm Watches in South Carolina, 2008Every severe thunderstorm watch in 2008

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.