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Severe Thunderstorm Watch 209
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WW0209 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.
   SEL9
   
   URGENT - IMMEDIATE BROADCAST REQUESTED
   SEVERE THUNDERSTORM WATCH NUMBER 209
   NWS STORM PREDICTION CENTER NORMAN OK
   1140 PM CDT SUN MAY 23 2010
   
   THE NWS STORM PREDICTION CENTER HAS ISSUED A
   SEVERE THUNDERSTORM WATCH FOR PORTIONS OF 
   
          NORTHERN NEBRASKA PANHANDLE
          SOUTHERN SOUTH DAKOTA
          EASTERN WYOMING
   
   EFFECTIVE THIS SUNDAY NIGHT AND MONDAY MORNING FROM 1140 PM UNTIL
   600 AM 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 70
   STATUTE MILES NORTH AND SOUTH OF A LINE FROM 80 MILES WEST
   NORTHWEST OF CHADRON NEBRASKA TO 20 MILES NORTH NORTHEAST OF
   MITCHELL SOUTH DAKOTA.  FOR A COMPLETE DEPICTION OF THE WATCH SEE
   THE ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU9).
   
   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 207...WW 208...
   
   DISCUSSION...THUNDERSTORMS ARE INCREASING ACROSS CENTRAL/WESTERN NEB
   AND LIFTING QUICKLY NORTHWARD INTO SD AND EASTERN WY.  A
   STRENGTHENING LOW LEVEL JET WILL HELP TO TRANSPORT MOISTURE
   NORTHWESTWARD AND AID IN THE DESTABILIZATION OVERNIGHT.  ELEVATED
   SUPERCELLS CAPABLE OF LARGE HAIL ARE THE MAIN THREAT...ALTHOUGH
   DAMAGING WINDS ARE ALSO POSSIBLE OVER THE WESTERN PARTS OF THE WATCH
   AREA.
   
   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 22035.
   
   
   ...HART
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Page last modified: September 21, 2020
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