Tornado Watch 100

Issued

Apr 5, 2011, 12:48 AM EDT (04:48 UTC)

Expired

Apr 5, 2011, 6:00 AM EDT

In force

5 hr

Issued by

the Storm Prediction Center

Largest hail expected

1 in

Strongest gust expected

65 kt

The Columbia radar (KCAE), 91 km from the middle of the area, began a volume at 04:48 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

40%

Ten or more severe hail reports

30%

One or more hailstones of 2 inches or more

10%

Six or more combined severe hail and wind reports

90%

• Mesoscale Discussion 356Apr 4, 10:05 PM EDT
• Mesoscale Discussion 357Apr 5, 12:21 AM EDT
• Mesoscale Discussion 358Apr 5, 2:13 AM EDT
• Mesoscale Discussion 359Apr 5, 2:24 AM EDT
• Mesoscale Discussion 360Apr 5, 2:55 AM EDT
• Mesoscale Discussion 361Apr 5, 3:34 AM EDT

441 
WWUS20 KWNS 050447
SEL0
SPC WW 050447
GAZ000-NCZ000-SCZ000-051000-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 100
NWS STORM PREDICTION CENTER NORMAN OK
1250 AM EDT TUE APR 5 2011

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

       EAST CENTRAL GEORGIA
       CENTRAL NORTH CAROLINA
       CENTRAL SOUTH CAROLINA

EFFECTIVE THIS TUESDAY MORNING FROM 1250 AM UNTIL 600 AM EDT.

TORNADOES...HAIL TO 1 INCH IN DIAMETER...THUNDERSTORM WIND GUSTS
TO 75 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.

THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 65 STATUTE
MILES EAST AND WEST OF A LINE FROM 30 MILES WEST SOUTHWEST OF
ORANGEBURG SOUTH CAROLINA TO 40 MILES NORTH NORTHEAST OF RALEIGH
NORTH CAROLINA.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU0).

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 96...WW 97...WW 98...WW
99...

DISCUSSION...A FAST-MOVING SQUALL LINE EXTENDS FROM WESTERN NC INTO
GA...AND IS PRODUCING NUMEROUS REPORTS OF WIND DAMAGE.  THESE STORMS
ARE LIKELY TO PERSIST MUCH OF THE NIGHT AND SPREAD ACROSS THE WATCH
AREA.  EXTREMELY STRONG LOW LEVEL WIND FIELDS MAY ALSO RESULT IN
EMBEDDED BOW/LEWP STRUCTURES AND QLCS TORNADOES.

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 1 INCH. EXTREME TURBULENCE AND SURFACE WIND
GUSTS TO 65 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 450.
MEAN STORM MOTION VECTOR 26040.


...HART

Tornado Watches in North Carolina, 2011Tornado Watches in South Carolina, 2011Tornado Watches in Georgia, 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.