Tornado Watch 757

Issued

Aug 29, 2005, 6:40 PM CDT (23:40 UTC)

Expired

Aug 30, 2005, 4:47 AM CDT

In force

10 hr

Issued by

the Storm Prediction Center

• Mesoscale Discussion 2113Aug 29, 3:23 PM CDT
• Mesoscale Discussion 2114Aug 29, 5:42 PM CDT
• Mesoscale Discussion 2115Aug 29, 6:12 PM CDT
• Mesoscale Discussion 2116Aug 29, 10:05 PM CDT
• Mesoscale Discussion 2117Aug 29, 11:59 PM CDT
• Mesoscale Discussion 2118Aug 30, 3:39 AM CDT

000 
WWUS20 KWNS 292338
SEL7  
SPC WW 292338
ALZ000-FLZ000-GAZ000-NCZ000-SCZ000-TNZ000-CWZ000-301000-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 757
NWS STORM PREDICTION CENTER NORMAN OK
740 PM EDT MON AUG 29 2005

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

       NORTHERN AND EASTERN ALABAMA
       FLORIDA PANHANDLE
       CENTRAL AND WESTERN GEORGIA
       WESTERN NORTH CAROLINA
       WESTERN SOUTH CAROLINA
       SOUTHEAST TENNESSEE
       COASTAL WATERS

EFFECTIVE THIS MONDAY NIGHT AND TUESDAY MORNING FROM 740 PM UNTIL
600 AM EDT.

TORNADOES...HAIL TO 0.5 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 120 STATUTE
MILES EAST AND WEST OF A LINE FROM 20 MILES NORTH NORTHWEST OF
CHATTANOOGA TENNESSEE TO 40 MILES EAST SOUTHEAST OF PANAMA CITY
FLORIDA.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED
WATCH OUTLINE UPDATE (WOUS64 KWNS WOU7).

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 755...TORNADO WATCH NUMBER 756. WATCH NUMBER 755 756
WILL NOT BE IN EFFECT AFTER 740 PM EDT. 

DISCUSSION...LARGE AREA OF FAVORABLE SHEAR PROFILES AND
SUPERCELLULAR STORMS WILL CONTINUE TO POSE A RISK OF ISOLATED
TORNADOES THROUGH MUCH OF THE NIGHT.  0-1KM SR HELICITY VALUES OF
300-700 M2/S2 AND VERY MOIST AIR MASS WILL HELP MAINTAIN THE RISK.

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 0.5 INCH. EXTREME TURBULENCE AND SURFACE WIND
GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500.
MEAN STORM MOTION VECTOR 18040.


...HART

351,0831 295,0830 295,0870 351,0872

Tornado Watches in Georgia, 2005Tornado Watches in Alabama, 2005Tornado Watches in Florida, 2005Every tornado watch in 2005

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.