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WWUS20 KWNS 030843

SEL4

SPC WW 030843

OKZ000-TXZ000-031600-



URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 24

NWS STORM PREDICTION CENTER NORMAN OK

225 AM CST FRI FEB 3 2012



THE NWS STORM PREDICTION CENTER HAS ISSUED A

TORNADO WATCH FOR PORTIONS OF



       WESTERN AND PARTS OF CENTRAL OKLAHOMA

       SOUTHEASTERN TEXAS PANHANDLE



EFFECTIVE THIS FRIDAY MORNING FROM 225 AM UNTIL 1000 AM CST.



TORNADOES...HAIL TO 1.5 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 70 STATUTE

MILES EAST AND WEST OF A LINE FROM 35 MILES WEST NORTHWEST OF

ENID OKLAHOMA TO 40 MILES SOUTH OF ALTUS OKLAHOMA.  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...CONTINUE...WW 23...



DISCUSSION...BROKEN SW-NE SQLN OVER WRN OK AND SE TX PANHANDLE

EXPECTED TO PERSIST AND MOVE SLOWLY SEWD...WHILE STORMS WITHIN THE

LINE MOVE MORE RAPIDLY NEWD ALONG IT.  FARTHER E...WDLY SCTD

STORMS/SHOWERS ALSO MAY PERSIST ALONG SHALLOW WARM FRONTAL ZONE IN

WRN/CNTRL OK.

DEEP WIND FIELD ACROSS REGION WILL REMAIN FAVORABLE FOR

SUPERCELLS...AND SELY NEAR-SFC FLOW COULD SUPPORT LOW LVL

MESOSCYCLONES.  MODEST SFC-BASED BUOYANCY WILL...HOWEVER...LIKELY

KEEP OVERALL TORNADO THREAT ISOLD.  BUT OBSERVATIONS INDICATE THAT

LOW LVL MOISTURE INFLOW WILL CONTINUE TO SLOWLY DESTABILIZE WW

AREA...ESPECIALLY OVER WRN/SRN OK E AHEAD OF SQLN.  THIS WILL

SUPPORT A CONDITIONAL THREAT FOR LOCALLY DMGG WIND/ISOLD TORNADOES

WITH ANY SUSTAINED UPDRAFTS THAT DO FORM.

LARGE SCALE FORCING FOR ASCENT SHOULD SLIGHTLY INCREASE OVER WRN OK

LATER THIS MORNING AS MID LVL SPEED MAX NOW OVER ERN NM CONTINUES

NEWD...POSSIBLY BOOSTING STORM COVERAGE AND STRENGTH.



AVIATION...TORNADOES AND 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

350. MEAN STORM MOTION VECTOR 22035.





...CORFIDI

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