Tornado Watch 877

Issued

Sep 1, 2008, 6:30 AM CDT (11:30 UTC)

Expired

Sep 1, 2008, 3:55 PM CDT

In force

9 hr

Issued by

the Storm Prediction Center

Strongest gust expected

70 kt

Two or more tornadoes

40%

One or more EF2 to EF5 tornadoes

20%

Ten or more severe wind reports

50%

One or more gusts of 65 knots or more

40%

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

60%

• Mesoscale Discussion 2195Sep 1, 3:51 AM CDT
• Mesoscale Discussion 2196Sep 1, 9:49 AM CDT

000
WWUS20 KWNS 011133
SEL7  
SPC WW 011133
ALZ000-FLZ000-LAZ000-MSZ000-CWZ000-012100-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 877
NWS STORM PREDICTION CENTER NORMAN OK
630 AM CDT MON SEP 1 2008

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

       SOUTHWEST ALABAMA
       WESTERN FLORIDA PANHANDLE
       SOUTHEAST LOUISIANA
       SOUTHERN MISSISSIPPI
       COASTAL WATERS

EFFECTIVE THIS MONDAY MORNING AND AFTERNOON FROM 630 AM UNTIL 400
PM CDT.

TORNADOES...THUNDERSTORM WIND GUSTS TO 80 MPH...AND DANGEROUS
LIGHTNING ARE POSSIBLE IN THESE AREAS.

THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 85 STATUTE
MILES NORTH AND SOUTH OF A LINE FROM 45 MILES WEST SOUTHWEST OF
BATON ROUGE LOUISIANA TO 5 MILES SOUTHEAST OF CRESTVIEW 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 876. WATCH NUMBER 876 WILL NOT BE IN EFFECT AFTER
630 AM CDT. 

DISCUSSION...THREAT FOR ISOLATED TORNADOES IS EXPECTED TO PERSIST IN
THIS REGION THROUGH THE AFTERNOON IN ASSOCIATION WITH MINI
SUPERCELLS EMBEDDED WITHIN RAINBANDS MAINLY NORTH AND EAST OF THE
CENTER OF HURRICANE GUSTAV WHERE LARGE LOW LEVEL HODOGRAPHS EXIST.

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH EXTREME
TURBULENCE AND SURFACE WIND GUSTS TO 70 KNOTS. A FEW CUMULONIMBI
WITH MAXIMUM TOPS TO 500. MEAN STORM MOTION VECTOR 12050.


...DIAL

Tornado Watches in Mississippi, 2008Tornado Watches in Louisiana, 2008Tornado Watches in Alabama, 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.