Severe Thunderstorm Watch 152

Severe Thunderstorm Watch 152

   SEL2

   

   URGENT - IMMEDIATE BROADCAST REQUESTED

   SEVERE THUNDERSTORM WATCH NUMBER 152

   NWS STORM PREDICTION CENTER NORMAN OK

   325 PM CDT MON APR 9 2012

   

   THE NWS STORM PREDICTION CENTER HAS ISSUED A

   SEVERE THUNDERSTORM WATCH FOR PORTIONS OF 

   

          SOUTHWEST OKLAHOMA

          WEST TEXAS INCLUDING THE PANHANDLE

   

   EFFECTIVE THIS MONDAY AFTERNOON AND EVENING FROM 325 PM UNTIL

   1100 PM CDT.

   

   HAIL TO 2.5 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 100

   STATUTE MILES EAST AND WEST OF A LINE FROM 50 MILES NORTHWEST OF

   CLINTON OKLAHOMA TO 30 MILES EAST SOUTHEAST OF LUBBOCK TEXAS. 

   FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH

   OUTLINE UPDATE (WOUS64 KWNS WOU2).

   

   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 151...

   

   DISCUSSION...THUNDERSTORMS ARE INTENSIFYING THIS AFTERNOON ACROSS

   WEST TX AS WEAK ASCENT SPREADS EASTWARD INTO A MODERATELY UNSTABLE

   AIR MASS.  STEEP LOW/MID LEVEL LAPSE RATES AND SUFFICIENT EFFECTIVE

   SHEAR WILL PROMOTE A RISK OF ORGANIZED/SUPERCELL STORMS CAPABLE OF

   LARGE HAIL AND DAMAGING WINDS PERSISTING THROUGH MUCH OF THE

   EVENING.

   

   AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT

   TO 2.5 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60

   KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM

   MOTION VECTOR 27025.

   

   

   ...HART