Tornado Watch 102

Issued

Apr 5, 2011, 2:41 AM EDT (06:41 UTC)

Expired

Apr 5, 2011, 8:36 AM EDT

In force

6 hr

Issued by

the Storm Prediction Center

Largest hail expected

1 in

Strongest gust expected

60 kt

The Charleston,SC radar (KCLX), 124 km from the middle of the area, began a volume at 06:44 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

40%

One or more EF2 to EF5 tornadoes

20%

Ten or more severe wind reports

70%

One or more gusts of 65 knots or more

30%

Ten or more severe hail reports

5%

One or more hailstones of 2 inches or more

5%

Six or more combined severe hail and wind reports

90%

• Mesoscale Discussion 360Apr 5, 2:55 AM EDT
• Mesoscale Discussion 363Apr 5, 5:39 AM EDT

112 
WWUS20 KWNS 050641
SEL2
SPC WW 050641
FLZ000-GAZ000-SCZ000-CWZ000-051400-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 102
NWS STORM PREDICTION CENTER NORMAN OK
240 AM EDT TUE APR 5 2011

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

       NORTHERN FLORIDA
       SOUTHEAST GEORGIA
       SOUTHERN SOUTH CAROLINA
       COASTAL WATERS

EFFECTIVE THIS TUESDAY MORNING FROM 240 AM UNTIL 1000 AM EDT.

TORNADOES...HAIL TO 1 INCH IN DIAMETER...THUNDERSTORM WIND GUSTS
TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.

THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 85 STATUTE
MILES EAST AND WEST OF A LINE FROM 30 MILES NORTH NORTHWEST OF
CHARLESTON SOUTH CAROLINA TO 40 MILES WEST OF CROSS CITY FLORIDA.
 FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH
OUTLINE UPDATE (WOUS64 KWNS WOU2).

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 97...WW 98...WW 100...WW
101...

DISCUSSION...QLCS WITH EMBEDDED BOWING/LEWP STRUCTURES WILL PROGRESS
EWD ACROSS WW AREA EARLY THIS MORNING.  AMBIENT INFLOW AIR MASS IS
MOIST...MODERATELY UNSTABLE AND STRONGLY SHEARED.  WHILE DAMAGING
WIND GUSTS WILL BE THE PRIMARY HAZARD...TORNADOES WILL BE POSSIBLE
WITH ANY EMBEDDED MESOCYCLONES/MESOVORTICES.

AVIATION...TORNADOES AND 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 500.
MEAN STORM MOTION VECTOR 27040.


...MEAD

Tornado Watches in Georgia, 2011Tornado Watches in Florida, 2011Tornado Watches in South Carolina, 2011Every tornado watch in 2011

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.