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Severe Thunderstorm Watch 256
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WW0256 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.
   SEL6

   URGENT - IMMEDIATE BROADCAST REQUESTED
   Severe Thunderstorm Watch Number 256
   NWS Storm Prediction Center Norman OK
   735 PM CDT Mon Jul 2 2018

   The NWS Storm Prediction Center has issued a

   * Severe Thunderstorm Watch for portions of 
     Extreme west central Minnesota
     Southern North Dakota
     Northern South Dakota

   * Effective this Monday night and Tuesday morning from 735 PM
     until 200 AM CDT.

   * Primary threats include...
     Scattered large hail and isolated very large hail events to 2
       inches in diameter possible
     Scattered damaging wind gusts to 70 mph possible
     A tornado or two possible

   SUMMARY...A couple of corridors of severe storm development are
   expected to persist into the early overnight hours, now starting
   across southwestern North Dakota and northeastern South Dakota. 
   Other storms could eventually move into northwestern South Dakota
   from Montana later tonight.  The storm environment will be
   sufficient for supercells with large hail and damaging winds, and an
   isolated tornado or two may also occur this evening across
   northeastern South Dakota and vicinity.

   The severe thunderstorm watch area is approximately along and 55
   statute miles north and south of a line from 35 miles northwest of
   Buffalo SD to 100 miles east northeast of Aberdeen SD. 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 255...

   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 550. Mean storm motion vector
   27030.

   ...Thompson
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Page last modified: July 03, 2018
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