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Severe Thunderstorm Watch 698
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WW0698 Radar
Hazard Tornadoes EF2+ Tornadoes
Likelihood Low Very Low
Severe Wind 65 kt+ Wind
Low Low
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 698
   NWS STORM PREDICTION CENTER NORMAN OK
   445 PM MDT MON AUG 10 2009
   
   THE NWS STORM PREDICTION CENTER HAS ISSUED A
   SEVERE THUNDERSTORM WATCH FOR PORTIONS OF 
   
          CENTRAL AND EASTERN COLORADO
          SOUTHERN NEBRASKA PANHANDLE
          EXTREME SOUTHEAST WYOMING
   
   EFFECTIVE THIS MONDAY AFTERNOON FROM 445 PM UNTIL MIDNIGHT 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 20 MILES WEST
   NORTHWEST OF SIDNEY NEBRASKA TO 35 MILES EAST OF COLORADO SPRINGS
   COLORADO.  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 695...WW 696...WW 697...
   
   DISCUSSION...SUBTLE SHORTWAVE TROUGH MOVING ACROSS THE CENTRAL HIGH
   PLAINS LATE TODAY WILL LIKELY MAINTAIN STRONG TO SEVERE
   THUNDERSTORMS EWD ACROSS THE HIGH PLAINS THROUGH THE EVENING.  VERY
   STEEP LAPSE RATES AND 40-50 KT EFFECTIVE SHEAR WILL SUPPORT
   SUPERCELLS WITH THREAT OF LARGE HAIL AND ISOLATED DAMAGING WINDS.
   
   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 28025.
   
   
   ...EVANS
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