Tornado Watch 72

Issued

Mar 29, 2011, 3:17 PM CDT (20:17 UTC)

Expired

Mar 29, 2011, 10:00 PM CDT

In force

7 hr

Issued by

the Storm Prediction Center

Largest hail expected

2 in

Strongest gust expected

60 kt

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 304Mar 29, 2:48 PM CDT
• Mesoscale Discussion 308Mar 29, 6:47 PM CDT
• Mesoscale Discussion 312Mar 29, 8:56 PM CDT

494 
WWUS20 KWNS 292018
SEL2
SPC WW 292018
LAZ000-MSZ000-CWZ000-300300-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 72
NWS STORM PREDICTION CENTER NORMAN OK
320 PM CDT TUE MAR 29 2011

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

       SOUTHERN LOUISIANA
       SOUTHERN MISSISSIPPI
       COASTAL WATERS

EFFECTIVE THIS TUESDAY AFTERNOON AND EVENING FROM 320 PM UNTIL
1000 PM CDT.

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 75 STATUTE
MILES NORTH AND SOUTH OF A LINE FROM 20 MILES NORTHWEST OF LAKE
CHARLES LOUISIANA TO 45 MILES NORTHEAST OF GULFPORT MISSISSIPPI.
FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH
OUTLINE UPDATE (WOUS64 KWNS WOU2).

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.

DISCUSSION...TSTMS HAVE BEGUN TO DEVELOP ACROSS SOUTHERN MS THIS
AFTERNOON...WITH ADDITIONAL STORMS EXPECTED TO DEVELOP/INCREASE
ESPECIALLY IN VICINITY OF A RETREATING WARM FRONT ACROSS SOUTHERN
PORTIONS OF LA/MS. VEERING WIND PROFILES WILL SUPPORT SUPERCELLS
WITH AN ISOLATED TORNADO THREAT ESPECIALLY IN VICINITY OF THE WARM
FRONT...WITH SEVERE HAIL/ISOLATED DAMAGING WINDS POSSIBLE AS WELL.

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
500. MEAN STORM MOTION VECTOR 25020.


...GUYER/HART

Tornado Watches in Louisiana, 2011Tornado Watches in Mississippi, 2011Every tornado watch in 2011

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.