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Severe Thunderstorm Watch 320
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WW0320 Radar
Hazard Tornadoes EF2+ Tornadoes
Likelihood Low Very 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.
   SEL0

   URGENT - IMMEDIATE BROADCAST REQUESTED
   Severe Thunderstorm Watch Number 320
   NWS Storm Prediction Center Norman OK
   635 PM CDT Tue Jun 30 2020

   The NWS Storm Prediction Center has issued a

   * Severe Thunderstorm Watch for portions of 
     Central and Eastern Nebraska
     Southeast South Dakota

   * Effective this Tuesday night and Wednesday morning from 635 PM
     until 100 AM CDT.

   * Primary threats include...
     Scattered damaging winds and isolated significant gusts to 75
       mph possible
     Scattered large hail and isolated very large hail events to 2
       inches in diameter possible
     A tornado or two possible

   SUMMARY...Severe thunderstorms are expected to develop near an
   eastward-advancing cold front this evening, initially across
   southeast South Dakota south-southwestward into
   east-central/south-central Nebraska. Isolated large hail can be
   expected, with severe-caliber wind gusts becoming more common into
   mid/late evening as storms linearly organize.

   The severe thunderstorm watch area is approximately along and 65
   statute miles east and west of a line from 35 miles east northeast
   of Huron SD to 45 miles south southwest of Hastings NE. For a
   complete depiction of the watch see the associated watch outline
   update (WOUS64 KWNS WOU0).

   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 319...

   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 550. Mean storm motion vector
   24025.

   ...Guyer
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