WATCHES: Severe Thunderstorm Watch Number 65

WWUS20 KWNS 300330
SEL5
SPC WW 300330
OKZ000-TXZ000-300800-

URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 65
NWS STORM PREDICTION CENTER NORMAN OK
1030 PM CDT FRI MAR 29 2013

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

SOUTHERN OKLAHOMA
NORTH-CENTRAL TEXAS

EFFECTIVE THIS FRIDAY NIGHT AND SATURDAY MORNING FROM 1030 PM
UNTIL 300 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 35
STATUTE MILES NORTH AND SOUTH OF A LINE FROM 25 MILES SOUTH
SOUTHWEST OF WICHITA FALLS TEXAS TO 30 MILES EAST OF DURANT
OKLAHOMA. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU5).

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 64...

DISCUSSION...PRIMARY SEVERE THREAT WILL LIKELY BE ASSOCIATED WITH A
SMALL BUT WELL-ORGANIZED/ACCELERATING MCS ACROSS EXTREME SOUTHERN OK
AND NORTH-CENTRAL TX. ALTHOUGH BOUNDARY LAYER CINH WILL NOCTURNALLY
INCREASE...SUSTENANCE OF THE MCS WILL BE AIDED BY A MODEST LOW LEVEL
JET /30 KT PER FORT WORTH WSR-88D VWP/ AND MOIST/UNSTABLE INFLOW
ABOVE THE SURFACE. BOUTS OF DAMAGING WINDS/SEVERE HAIL WILL REMAIN A
CONCERN INTO THE OVERNIGHT.

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.


...GUYER

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