Tornado Watch 151

Tornado Watch 151

   SEL1

   

   URGENT - IMMEDIATE BROADCAST REQUESTED

   TORNADO WATCH NUMBER 151

   NWS STORM PREDICTION CENTER NORMAN OK

   230 PM CDT MON APR 9 2012

   

   THE NWS STORM PREDICTION CENTER HAS ISSUED A

   TORNADO WATCH FOR PORTIONS OF 

   

          SOUTH CENTRAL KANSAS

          NORTHWEST OKLAHOMA

   

   EFFECTIVE THIS MONDAY AFTERNOON AND EVENING FROM 230 PM UNTIL 900

   PM CDT.

   

   TORNADOES...HAIL TO 2.5 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 50 STATUTE

   MILES EAST AND WEST OF A LINE FROM 30 MILES WEST NORTHWEST OF

   MEDICINE LODGE KANSAS TO 55 MILES SOUTHEAST OF GAGE OKLAHOMA. 

   FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH

   OUTLINE UPDATE (WOUS64 KWNS WOU1).

   

   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.

   

   DISCUSSION...ISOLATED THUNDERSTORMS ARE EXPECTED TO FORM IN THE NEXT

   1-2 HOURS OVER EXTREME SOUTHERN KS AND NORTHWEST OK...NEAR WEAK

   SURFACE BOUNDARY.  MODERATE INSTABILITY AND BACKED LOW LEVEL WINDS

   IN VICINITY OF BOUNDARY WILL PROMOTE SUPERCELL STRUCTURES CAPABLE OF

   VERY LARGE HAIL...DAMAGING WINDS...AND A FEW TORNADOES.  THREAT

   SHOULD PERSIST FOR A FEW HOURS BEFORE CONVECTIVE MODE TRANSITIONS

   INTO MORE OF A HAIL/WIND THREAT.

   

   AVIATION...TORNADOES AND 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 30025.

   

   

   ...HART