Tornado Watch 63

Issued

Mar 24, 2013, 3:42 AM CDT (08:42 UTC)

Expired

Mar 24, 2013, 10:00 AM CDT

In force

6 hr

Issued by

the Storm Prediction Center

Largest hail expected

2 in

Strongest gust expected

60 kt

The Tallahassee radar (KTLH), 76 km from the middle of the area, began a volume at 08:43 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

30%

One or more gusts of 65 knots or more

20%

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

70%

• Mesoscale Discussion 314Mar 24, 3:12 AM CDT
• Mesoscale Discussion 318Mar 24, 6:54 AM CDT

591 
WWUS20 KWNS 240844
SEL3  
SPC WW 240844
ALZ000-FLZ000-GAZ000-CWZ000-241500-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 63
NWS STORM PREDICTION CENTER NORMAN OK
440 AM EDT SUN MAR 24 2013

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

       EXTREME SOUTHEAST ALABAMA
       THE CENTRAL AND EASTERN FLORIDA PANHANDLE
       SOUTHWEST GEORGIA
       COASTAL WATERS

EFFECTIVE THIS SUNDAY MORNING FROM 440 AM UNTIL 1100 AM 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 65 STATUTE
MILES EAST AND WEST OF A LINE FROM 35 MILES NORTH NORTHEAST OF
ALBANY GEORGIA TO 10 MILES SOUTHEAST OF APALACHICOLA FLORIDA. 
FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH
OUTLINE UPDATE (WOUS64 KWNS WOU3).

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 62...

DISCUSSION...THE SURFACE WARM FRONT IS MOVING INLAND ACROSS THE FL
PANHANDLE TOWARD THE GA BORDER AS NEW STORMS DEVELOP ALONG A
PRE-FRONTAL TROUGH/CONFLUENCE BAND MOVING EWD ACROSS THE WRN FL
PANHANDLE AND NE GULF OF MEXICO.  AS THE LOW LEVELS DESTABILIZE
INLAND...THE RISK FOR SURFACE-BASED SUPERCELLS WILL INCREASE IN AN
ENVIRONMENT WITH MLCAPE NEAR 1000 J/KG AND EFFECTIVE BULK SHEAR AOA
50 KT.  THE STRONGEST STORMS WILL BE CAPABLE OF PRODUCING LARGE HAIL
AND DAMAGING WINDS.  ADDITIONALLY...THERE WILL BE A RISK FOR A
COUPLE OF TORNADOES AS STORMS INTERACT WITH THE ZONE OF STRONGER
L0W-LEVEL SHEAR ALONG THE WARM FRONT.

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
450. MEAN STORM MOTION VECTOR 25040.


...THOMPSON

Tornado Watches in Georgia, 2013Tornado Watches in Florida, 2013Tornado Watches in Alabama, 2013Every tornado watch in 2013

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.