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Severe Thunderstorm Watch 421
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WW0421 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.
   SEL1

   URGENT - IMMEDIATE BROADCAST REQUESTED
   Severe Thunderstorm Watch Number 421
   NWS Storm Prediction Center Norman OK
   655 PM CDT Fri Jun 21 2019

   The NWS Storm Prediction Center has issued a

   * Severe Thunderstorm Watch for portions of 
     northeastern Kansas
     northern Missouri
     southeastern Nebraska

   * Effective this Friday night and Saturday morning from 655 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...Strong to severe thunderstorm development is underway
   across parts of northeast Kansas, with additional storms likely to
   develop east-northeastward along a frontal zone into north central
   Missouri through mid to late evening.  Gradually, activity may
   consolidate and evolve into an organizing storm cluster which may
   pose increasing risk for potentially damaging wind gusts, while
   developing eastward and south-southeastward.

   The severe thunderstorm watch area is approximately along and 50
   statute miles north and south of a line from 15 miles north
   northwest of Manhattan KS to 20 miles south of Kirksville MO. For a
   complete depiction of the watch see the associated watch outline
   update (WOUS64 KWNS WOU1).

   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 417...WW 418...WW
   419...WW 420...

   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.

   ...Kerr
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