WATCHES: Tornado Watch Number 72

WWUS20 KWNS 112343
SEL2
SPC WW 112343
ARZ000-LAZ000-MSZ000-120700-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 72
NWS STORM PREDICTION CENTER NORMAN OK
645 PM CDT SUN MAR 11 2012

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

SOUTHEAST ARKANSAS
CENTRAL AND NORTHEAST LOUISIANA
WESTERN MISSISSIPPI

EFFECTIVE THIS SUNDAY NIGHT AND MONDAY MORNING FROM 645 PM UNTIL
200 AM CDT.

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 60 STATUTE
MILES EAST AND WEST OF A LINE FROM 85 MILES NORTHEAST OF MONROE
LOUISIANA TO 55 MILES SOUTHEAST OF FORT POLK LOUISIANA. 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.

OTHER WATCH INFORMATION...CONTINUE...WW 71...

DISCUSSION...CONVECTIVE COMPLEX WITH EMBEDDED LEWP STRUCTURES IS
EXPECTED TO CONTINUE EWD TOWARD THE MS RIVER THIS EVENING WITHIN
AMBIENT ENVIRONMENT CHARACTERIZED BY MARGINAL INSTABILITY BUT RATHER
STRONG LOW AND DEEP-LAYER SHEAR. AS SUCH...EXPECT THE RISK FOR
LOCALLY DAMAGING WINDS AND PERHAPS A COUPLE OF TORNADOES TO EXIST
WITH ANY MORE PERSISTENT/ORGANIZED STORM STRUCTURES.

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
450. MEAN STORM MOTION VECTOR 22030.

...MEAD

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