SPC Severe Thunderstorm Watch 701
Thu, 21 Oct 2010 14:35:02 -0500
URGENT - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WATCH NUMBER 701 NWS STORM PREDICTION CENTER NORMAN OK 235 PM CDT THU OCT 21 2010 THE NWS STORM PREDICTION CENTER HAS ISSUED A SEVERE THUNDERSTORM WATCH FOR PORTIONS OF PARTS OF SOUTHWEST OKLAHOMA PARTS OF WESTERN TEXAS EFFECTIVE THIS THURSDAY AFTERNOON AND EVENING FROM 235 PM UNTIL 1000 PM CDT. HAIL TO 2 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 60 STATUTE MILES EAST AND WEST OF A LINE FROM 50 MILES NORTHWEST OF ALTUS OKLAHOMA TO 30 MILES SOUTH OF FORT STOCKTON TEXAS. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU1). 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. DISCUSSION...AIR MASS CONTINUES TO DESTABILIZE AHEAD OF THE OUTFLOW FROM MORNING MCS AND IN ADVANCE OF THE AZ UPPER LOW. WITH MLCAPES NOW AROUND 1500 J/KG ALONG WITH INCREASINGLY FAVORABLE DEEP LAYER SHEAR WITH APPROACH OF JET MAX OVER NRN MEXICO...STRONG/SEVERE THUNDERSTORMS SHOULD DEVELOP ACROSS THE WATCH AREA THRU THE REMAINDER OF THE AFTERNOON. CONDITIONS FAVORABLE FOR SUPERCELLS WHICH WOULD ENHANCE BOTH LARGE HAIL AND WIND DAMAGE POTENTIAL. AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT TO 2 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM MOTION VECTOR 24030. ...HALESRead more
SPC Severe Thunderstorm Watch 701 Status Reports
Thu, 21 Oct 2010 14:35:10 -0500
STATUS FOR WATCH 0701 HAS NOT BEEN ISSUED YETRead more
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