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Severe Thunderstorm Watch 283
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WW0283 Radar
Hazard Tornadoes EF2+ Tornadoes
Likelihood Low Very Low
Severe Wind 65 kt+ Wind
Moderate Low
Severe Hail 2"+ Hail
High 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.
   SEL3

   URGENT - IMMEDIATE BROADCAST REQUESTED
   Severe Thunderstorm Watch Number 283
   NWS Storm Prediction Center Norman OK
   1005 PM CDT Fri Jun 18 2021

   The NWS Storm Prediction Center has issued a

   * Severe Thunderstorm Watch for portions of 
     Southern and Eastern Iowa
     Western Illinois
     Northern Missouri
     Southeast Nebraska

   * Effective this Friday night and Saturday morning from 1005 PM
     until 500 AM CDT.

   * Primary threats include...
     Scattered large hail likely with 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

   SUMMARY...Multiple corridors of strong to severe storm development
   are expected late this evening including across southern Iowa as
   well as southeast Nebraska into northern Missouri. The strongest
   storms will be capable of large hail. Damaging winds will also be a
   possibility, particularly if a well-organized linear cluster evolves
   through the early overnight hours as storms spread
   east-southeastward across the region.

   The severe thunderstorm watch area is approximately along and 65
   statute miles north and south of a line from 25 miles west of
   Shenandoah IA to 30 miles east southeast of Burlington IA. 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 280...WW 281...WW 282...

   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 600. Mean storm motion vector
   29025.

   ...Guyer
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