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Severe Thunderstorm Watch 283
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WW0283 Radar
Hazard Tornadoes EF2+ Tornadoes
Likelihood Very Low Very Low
Severe Wind 65 kt+ Wind
Moderate Low
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.
   SEL3

   URGENT - IMMEDIATE BROADCAST REQUESTED
   Severe Thunderstorm Watch Number 283
   NWS Storm Prediction Center Norman OK
   630 PM CDT Wed Jun 17 2020

   The NWS Storm Prediction Center has issued a

   * Severe Thunderstorm Watch for portions of 
     North central Nebraska
     Parts of central and northeast South Dakota

   * Effective this Wednesday night and Thursday morning from 630 PM
     until 100 AM CDT.

   * Primary threats include...
     Scattered damaging wind gusts to 70 mph possible
     Scattered large hail events to 1.5 inches in diameter possible

   SUMMARY...Thunderstorms are expected to increase in
   coverage/intensity this evening from South Dakota into north central
   Nebraska along and east of a surface cold front and pre-frontal
   trough.  The storm environment will favor a mix of multicell
   clusters and perhaps a couple of high-based supercells capable of
   producing damaging winds and large hail through early tonight.

   The severe thunderstorm watch area is approximately along and 45
   statute miles east and west of a line from 35 miles north of
   Aberdeen SD to 50 miles south southwest of Mullen NE. For a complete
   depiction of the watch see the associated watch outline update
   (WOUS64 KWNS WOU3).

   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 282...

   AVIATION...A few severe thunderstorms with hail surface and aloft to
   1.5 inches. Extreme turbulence and surface wind gusts to 60 knots. A
   few cumulonimbi with maximum tops to 550. Mean storm motion vector
   23025.

   ...Thompson
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