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Severe Thunderstorm Watch 358
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WW0358 Radar
Hazard Tornadoes EF2+ Tornadoes
Likelihood Low 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.
   SEL8

   URGENT - IMMEDIATE BROADCAST REQUESTED
   Severe Thunderstorm Watch Number 358
   NWS Storm Prediction Center Norman OK
   705 PM CDT Fri Jul 9 2021

   The NWS Storm Prediction Center has issued a

   * Severe Thunderstorm Watch for portions of 
     Southeast Iowa
     Extreme northwest Illinois
     Extreme northeast Missouri

   * Effective this Friday night from 705 PM until Midnight CDT.

   * Primary threats include...
     Scattered large hail and isolated very large hail events to 2.5
       inches in diameter likely
     Scattered damaging wind gusts to 70 mph possible

   SUMMARY...A small cluster of elevated storms, some with supercell
   structures, may persist for the next few hours while moving
   southeastward near the Illinois, Iowa, Missouri border region. 
   Isolated very large hail and severe wind gusts will be the main
   threats.

   The severe thunderstorm watch area is approximately along and 35
   statute miles east and west of a line from 65 miles north northwest
   of Burlington IA to 35 miles south southwest of Burlington IA. For a
   complete depiction of the watch see the associated watch outline
   update (WOUS64 KWNS WOU8).

   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 356...WW 357...

   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 550. Mean storm motion vector
   31025.

   ...Thompson
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