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Severe Thunderstorm Watch 196
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WW0196 Radar
Hazard Tornadoes EF2+ Tornadoes
Likelihood Low Low
Severe Wind 65 kt+ Wind
Moderate 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.
   SEL6

   URGENT - IMMEDIATE BROADCAST REQUESTED
   SEVERE THUNDERSTORM WATCH NUMBER 196
   NWS STORM PREDICTION CENTER NORMAN OK
   250 PM MDT WED MAY 28 2014

   THE NWS STORM PREDICTION CENTER HAS ISSUED A

   * SEVERE THUNDERSTORM WATCH FOR PORTIONS OF 
     CENTRAL AND SOUTHERN MONTANA
     NORTHERN WYOMING

   * EFFECTIVE THIS WEDNESDAY AFTERNOON AND EVENING FROM 250 PM
     UNTIL 1000 PM MDT.

   * PRIMARY THREATS INCLUDE...
     SCATTERED DAMAGING WINDS AND ISOLATED SIGNIFICANT GUSTS TO 75
       MPH POSSIBLE
     ISOLATED VERY LARGE HAIL EVENTS TO 2 INCHES IN DIAMETER POSSIBLE

   THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 130
   STATUTE MILES EAST AND WEST OF A LINE FROM 25 MILES NORTH
   NORTHEAST OF HARLOWTON MONTANA TO 75 MILES SOUTH OF BILLINGS
   MONTANA.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
   ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU6).

   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 195...

   DISCUSSION...HIGH-BASED TSTMS FORMING OVER THE HIGHER TERRAIN OF NRN
   CNTRL/NRN WY...WITH A AN ATTENDANT RISK FOR ISOLD DMGG
   WIND...EXPECTED TO MOVE/DEVELOP NEWD INTO LESS DEEPLY-MIXED
   ENVIRONMENT OVER SRN MT. STORM BASES MAY LOWER IN THIS REGION...WITH
   AN INCREASING RISK FOR SVR HAIL AND A CONTINUING RISK FOR DMGG WIND.
   OTHER STRONG TO SVR STORMS EXPECTED TO FORM OVER THE HIGHER TERRAIN
   AND INVOF COLD FRONT SW OF HELENA IN W CNTRL MT. THIS ACTIVITY
   SHOULD MOVE RAPIDLY NNE ALONG/AHEAD OF THE FRONT. STRENGTHENING WIND
   FIELD IN THIS REGION ALSO SUGGESTS THE LIKELIHOOD FOR DMGG WIND. 
   THE SRN MT STORMS LIKELY WILL EVOLVE INTO SUPERCELLS AS THEY
   CONTINUE NEWD AND ENCOUNTER MOIST AXIS/ZONE OF ENHANCED LOW-LVL
   DIRECTIONAL SHEAR ALONG DEVELOPING WARM FRONT LYING WNW-ESE THROUGH
   THE CNTRL PART OF THE STATE. THESE STORMS COULD YIELD
   TORNADOES...VERY LARGE HAIL...AND MORE WIDESPREAD DMGG WIND...LIKELY
   REQUIRING THE ADDITION OF A TORNADO WATCH TO THE N OF THE PRESENT
   SVR WW LATER THIS EVE.

   AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
   TO 2 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 65
   KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM
   MOTION VECTOR 21035.


   ...CORFIDI
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Page last modified: May 29, 2014
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