Tornado Watch 754

Issued

Aug 29, 2005, 2:00 AM CDT (07:00 UTC)

Expired

Aug 29, 2005, 10:22 AM CDT

In force

8 hr

Issued by

the Storm Prediction Center

The Mobile radar (KMOB), 55 km from the middle of the area, began a volume at 07:02 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.

• Mesoscale Discussion 2107Aug 28, 10:16 PM CDT
• Mesoscale Discussion 2108Aug 29, 1:26 AM CDT
• Mesoscale Discussion 2109Aug 29, 6:33 AM CDT
• Mesoscale Discussion 2111Aug 29, 9:36 AM CDT

000 
WWUS20 KWNS 290701
SEL4  
SPC WW 290701
ALZ000-FLZ000-LAZ000-MSZ000-CWZ000-291700-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 754
NWS STORM PREDICTION CENTER NORMAN OK
200 AM CDT MON AUG 29 2005

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

       SOUTHERN ALABAMA
       WESTERN FLORIDA PANHANDLE
       SOUTHEASTERN LOUISIANA
       SOUTHERN MISSISSIPPI
       COASTAL WATERS

EFFECTIVE THIS MONDAY MORNING FROM 200 AM UNTIL NOON CDT.

TORNADOES...THUNDERSTORM WIND GUSTS TO 70 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 20 MILES NORTHWEST OF NEW ORLEANS
LOUISIANA TO 20 MILES NORTHEAST OF CRESTVIEW FLORIDA.  FOR A
COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE
UPDATE (WOUS64 KWNS WOU4).

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 752. WATCH NUMBER 752 WILL NOT BE IN EFFECT AFTER 200
AM CDT. 

DISCUSSION...HURRICANE KATRINA IS STILL EXPECTED TO MAKE LANDFALL
OVER FAR SERN LA THIS MORNING. DISCRETE STORMS HAVE BEEN STRONGLY
ROTATING EARLY THIS MORNING OVER THE WATER...AND AREA VWP/S INDICATE
EXTREME LOW LEVEL SHEAR IN PLACE WITH 0-1 KM SRH IN EXCESS OF 400
M2/S2. GIVEN PERSISTENT DISCRETE STORMS BOTH AHEAD OF AND WITHIN
KATRINA/S RAINBANDS...TORNADO THREAT WILL LIKEWISE PERSIST.  EXPECT
TORNADO THREAT WILL GRADUALLY SPREAD INLAND AS THE SYSTEM MAKES
LANDFALL AND MORNING HEATING DESTABILIZES THE AIR MASS.
THE FORECAST MAXIMUM WIND GUSTS AND MEAN CELL MOTION APPLY TO SEVERE
THUNDERSTORMS OUTSIDE THE HURRICANE EYEWALL.

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH EXTREME
TURBULENCE AND SURFACE WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI
WITH MAXIMUM TOPS TO 500. MEAN STORM MOTION VECTOR 12045.


...EVANS

312,0902 321,0861 294,0861 285,0902

Tornado Watches in Mississippi, 2005Tornado Watches in Alabama, 2005Tornado Watches in Louisiana, 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; radar from the NEXRAD Level II archive.