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