SPC Severe Thunderstorm Watch 685
Sat, 25 Sep 2010 13:55:02 -0500
URGENT - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WATCH NUMBER 685 NWS STORM PREDICTION CENTER NORMAN OK 155 PM CDT SAT SEP 25 2010 THE NWS STORM PREDICTION CENTER HAS ISSUED A SEVERE THUNDERSTORM WATCH FOR PORTIONS OF SOUTH CENTRAL KANSAS NORTHWEST OKLAHOMA NORTHERN TEXAS PANHANDLE EFFECTIVE THIS SATURDAY AFTERNOON AND EVENING FROM 155 PM UNTIL 800 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 50 STATUTE MILES EITHER SIDE OF A LINE FROM 40 MILES WEST NORTHWEST OF BORGER TEXAS TO 10 MILES SOUTH SOUTHEAST OF EMPORIA KANSAS. 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. DISCUSSION...SCATTERED THUNDERSTORMS ARE EXPECTED TO DEVELOP SOON ALONG SURFACE COLD FRONT AND PRE-FRONTAL WIND SHIFT FROM CENTRAL KS INTO THE TX PANHANDLE. THESE STORMS WILL TRACK SLOWLY SOUTHWARD AND ACROSS A NARROW BUT STRONG INSTABILITY CORRIDOR. STEEP MID LEVEL LAPSE RATES...FAVORABLE DEEP LAYER SHEAR...AND AMPLE MOISTURE WILL HELP TO SUPPORT A FEW SEVERE STORMS CAPABLE OF LARGE HAIL AND DAMAGING WINDS. 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 36020. ...HARTRead more
SPC Severe Thunderstorm Watch 685 Status Reports
Sat, 25 Sep 2010 13:55:10 -0500
STATUS FOR WATCH 0685 HAS NOT BEEN ISSUED YETRead more
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