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Severe Thunderstorm Watch 291
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WW0291 Radar
Hazard Tornadoes EF2+ Tornadoes
Likelihood Low Very Low
Severe Wind 65 kt+ Wind
Moderate 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.
   SEL1

   URGENT - IMMEDIATE BROADCAST REQUESTED
   SEVERE THUNDERSTORM WATCH NUMBER 291
   NWS STORM PREDICTION CENTER NORMAN OK
   210 PM MDT FRI JUN 13 2014

   THE NWS STORM PREDICTION CENTER HAS ISSUED A

   * SEVERE THUNDERSTORM WATCH FOR PORTIONS OF 
     SOUTHEAST MONTANA
     WESTERN SOUTH DAKOTA
     NORTHEAST WYOMING

   * EFFECTIVE THIS FRIDAY AFTERNOON AND EVENING FROM 210 PM UNTIL
     1000 PM MDT.

   * PRIMARY THREATS INCLUDE...
     SCATTERED LARGE HAIL AND ISOLATED VERY LARGE HAIL EVENTS TO 2.5
       INCHES IN DIAMETER POSSIBLE
     SCATTERED DAMAGING WIND GUSTS TO 70 MPH POSSIBLE
     A TORNADO OR TWO POSSIBLE

   THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 85
   STATUTE MILES EAST AND WEST OF A LINE FROM 55 MILES SOUTHWEST OF
   RAPID CITY SOUTH DAKOTA TO 45 MILES NORTHWEST OF MILES CITY
   MONTANA.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
   ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU1).

   PRECAUTIONARY/PREPAREDNESS ACTIONS...

   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 290...

   DISCUSSION...THUNDERSTORMS /INCLUDING SUPERCELLS/ ARE EXPECTED TO
   DEVELOP AND MOVE EAST OR NORTHEAST ACROSS THE WATCH AREA THIS
   AFTERNOON INTO EVENING. LARGE HAIL AND DAMAGING WIND GUSTS WILL BE
   THE PRIMARY HAZARDS...THOUGH A TORNADO OR TWO IS POSSIBLE. FOR
   ADDITIONAL NEAR TERM GUIDANCE...SEE MCD 984.

   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 26025.


   ...MEAD
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Page last modified: June 14, 2014
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