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Severe Thunderstorm Watch 328
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WW0328 Radar
Hazard Tornadoes EF2+ Tornadoes
Likelihood Low Very Low
Severe Wind 65 kt+ Wind
Low Moderate
Severe Hail 2"+ Hail
Moderate Moderate

Note:  The expiration time in the watch graphic is amended if the watch is replaced, cancelled or extended.
Note: Click for Watch Status Reports.
   SEL8
   
   URGENT - IMMEDIATE BROADCAST REQUESTED
   SEVERE THUNDERSTORM WATCH NUMBER 328
   NWS STORM PREDICTION CENTER NORMAN OK
   125 PM MDT THU JUN 4 2009
   
   THE NWS STORM PREDICTION CENTER HAS ISSUED A
   SEVERE THUNDERSTORM WATCH FOR PORTIONS OF 
   
          EASTERN COLORADO
          NORTHEASTERN NEW MEXICO
          WESTERN OKLAHOMA PANHANDLE
          NORTHWESTERN TEXAS PANHANDLE
   
   EFFECTIVE THIS THURSDAY AFTERNOON AND EVENING FROM 125 PM UNTIL
   900 PM MDT.
   
   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 85
   STATUTE MILES EAST AND WEST OF A LINE FROM 40 MILES NORTHWEST OF
   AKRON COLORADO TO 25 MILES SOUTH OF TUCUMCARI NEW MEXICO.  FOR A
   COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE
   UPDATE (WOUS64 KWNS WOU8).
   
   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 327...
   
   DISCUSSION...CONVECTION HAS DEVELOPED OVER THE HIGHER TERRAIN OF
   COLORADO AND NRN NEW MEXICO...AND SHOULD INTENSIFY AS THE STORMS
   MOVE SEWD INTO A WARMING AND DESTABILIZING AIR MASS ALONG AND EAST
   OF THE FOOTHILLS. MODERATE INSTABILITY AND 30-40 KT DEEP LAYER SHEAR
   WILL BE SUPPORTIVE OF SUPERCELLS. THE COMBINATION OF STEEP LAPSE
   RATES AND EXPECTED MID LEVEL ROTATION IN STORMS FAVORS LARGE HAIL AS
   THE MAIN THREAT. HOWEVER...A BRIEF TORNADO IS ALSO POSSIBLE ALONG
   E-W ORIENTED BOUNDARY LOCATED ALONG THE PALMER DIVIDE.
   
   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 450. MEAN STORM
   MOTION VECTOR 32025.
   
   
   ...IMY
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