WATCHES: Severe Thunderstorm Watch Number 123

WWUS20 KWNS 110756
SEL3
SPC WW 110756
ARZ000-LAZ000-MSZ000-111500-

URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 123
NWS STORM PREDICTION CENTER NORMAN OK
255 AM CDT WED APR 11 2007

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

EASTERN ARKANSAS
NORTHEAST LOUISIANA
WESTERN AND NORTHERN MISSISSIPPI

EFFECTIVE THIS WEDNESDAY MORNING FROM 255 AM UNTIL 1000 AM CDT.

HAIL TO 1.5 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 70
MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.

THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 70
STATUTE MILES EAST AND WEST OF A LINE FROM 40 MILES NORTH
NORTHWEST OF OXFORD MISSISSIPPI TO 55 MILES EAST SOUTHEAST OF
MONROE LOUISIANA. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU3).

REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE
FAVORABLE FOR 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. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY
DO PRODUCE TORNADOES.

OTHER WATCH INFORMATION...CONTINUE...WW 122...

DISCUSSION...ERN/SRN AR SQLN...NRN PART OF WHICH APPEARS TO BE
SLIGHTLY ELEVATED...EXPECTED TO CONTINUE GENERALLY E AT 40+ KTS.
EMBEDDED SUSTAINED STORMS/SUPERCELLS MAY CONTINUE TO POSE A THREAT
FOR HAIL/HIGH WIND AND PERHAPS A TORNADO AS AREA OF LARGE SCALE
ASCENT/MID LEVEL COOLING ASSOCIATED WITH AMPLIFYING UPR TROUGH/JET
STREAK MOVE E IN TANDEM WITH STORMS.

AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
TO 1.5 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60
KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 450. MEAN STORM
MOTION VECTOR 27040.

..CORFIDI

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