Tornado Watch 63

Issued

Feb 17, 2008, 12:32 PM CST (18:32 UTC)

Expired

Feb 17, 2008, 8:00 PM CST

In force

7 hr

Issued by

the Storm Prediction Center

Largest hail expected

2 in

Strongest gust expected

60 kt

Two or more tornadoes

80%

One or more EF2 to EF5 tornadoes

50%

Ten or more severe wind reports

50%

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

30%

Six or more combined severe hail and wind reports

95%

• Mesoscale Discussion 256Feb 17, 9:43 AM CST
• Mesoscale Discussion 258Feb 17, 12:14 PM CST
• Mesoscale Discussion 260Feb 17, 2:45 PM CST
• Mesoscale Discussion 261Feb 17, 5:19 PM CST
• Mesoscale Discussion 263Feb 17, 7:34 PM CST

000
WWUS20 KWNS 171831
SEL3  
SPC WW 171831
ALZ000-FLZ000-GAZ000-CWZ000-180200-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 63
NWS STORM PREDICTION CENTER NORMAN OK
1230 PM CST SUN FEB 17 2008

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

       SOUTHERN AND CENTRAL ALABAMA
       FLORIDA PANHANDLE
       WESTERN GEORGIA
       COASTAL WATERS

EFFECTIVE THIS SUNDAY AFTERNOON AND EVENING FROM 1230 PM UNTIL
800 PM CST.

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 100 STATUTE
MILES EAST AND WEST OF A LINE FROM 35 MILES WEST SOUTHWEST OF
PANAMA CITY FLORIDA TO 35 MILES WEST NORTHWEST OF LA GRANGE
GEORGIA.  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...THIS TORNADO WATCH REPLACES TORNADO
WATCH NUMBER 62. WATCH NUMBER 62 WILL NOT BE IN EFFECT AFTER 1230
PM CST. 

DISCUSSION...BROKEN LINE OF SUPERCELLS WILL CONTINUE TO INTENSIFY AS
THEY RACE ENEWD ACROSS WW INTO THE EARLY EVENING AS AIR MASS BECOMES
MARGINALLY UNSTABLE TO SURFACE-BASED PARCELS.  EXTREME SHEAR WILL
THEREFORE SUSTAIN A RISK OF ISOLATED TORNADOES...ALONG WITH DAMAGING
WINDS AND ISOLATED LARGE HAIL.

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
400. MEAN STORM MOTION VECTOR 23035.


...EVANS

Tornado Watches in Alabama, 2008Tornado Watches in Georgia, 2008Tornado Watches in Florida, 2008Every tornado 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.