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Severe Thunderstorm Watch 556
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WW0556 Radar
Hazard Tornadoes EF2+ Tornadoes
Likelihood Low Very Low
Severe Wind 65 kt+ Wind
Moderate Moderate
Severe Hail 2"+ Hail
Moderate Low

Note:  The expiration time in the watch graphic is amended if the watch is replaced, cancelled or extended.
Note: Click for Watch Status Reports.
   SEL6
   
   URGENT - IMMEDIATE BROADCAST REQUESTED
   SEVERE THUNDERSTORM WATCH NUMBER 556
   NWS STORM PREDICTION CENTER NORMAN OK
   525 PM CDT MON JUL 6 2009
   
   THE NWS STORM PREDICTION CENTER HAS ISSUED A
   SEVERE THUNDERSTORM WATCH FOR PORTIONS OF 
   
          OKLAHOMA PANHANDLE
          TEXAS PANHANDLE
   
   EFFECTIVE THIS MONDAY AFTERNOON AND EVENING FROM 525 PM UNTIL
   1100 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 5 MILES WEST NORTHWEST
   OF ELKHART KANSAS TO 45 MILES SOUTH OF LUBBOCK TEXAS.  FOR A
   COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE
   UPDATE (WOUS64 KWNS WOU6).
   
   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 553...WW 554...WW 555...
   
   DISCUSSION...STORMS MOVING SEWD ACROSS SERN CO AND NERN NM ARE
   EXPECTED TO SPREAD/DEVELOP INTO THE TX/OK PANHANDLES...AHEAD OF AN
   UPPER WAVE MOVING SEWD THROUGH CO. DEEP LAYER SHEAR AT 30-40
   KT...STEEP LAPSE RATES AND MLCAPES BETWEEN 1000-1500 J/KG SHOULD BE
   SUPPORTIVE OF SEVERE HAIL. HOWEVER...IF STORM OUTFLOWS CAN
   CONSOLIDATE INTO AN MCS...THE NWLY WINDS ALOFT WOULD BECOME MORE
   SUPPORTIVE OF A DAMAGING WIND THREAT.
   
   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 33020.
   
   
   ...IMY
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