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Severe Thunderstorm Watch 518
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WW0518 Radar
Hazard Tornadoes EF2+ Tornadoes
Likelihood Low Very Low
Severe Wind 65 kt+ Wind
Moderate Low
Severe Hail 2"+ Hail
Low Very 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.
   SEL8

   URGENT - IMMEDIATE BROADCAST REQUESTED
   Severe Thunderstorm Watch Number 518
   NWS Storm Prediction Center Norman OK
   235 PM CST Mon Dec 4 2017

   The NWS Storm Prediction Center has issued a

   * Severe Thunderstorm Watch for portions of 
     Extreme west central Illinois
     Extreme southeast Kansas
     Much of southwest, central and northeast Missouri

   * Effective this Monday afternoon and evening from 235 PM until
     900 PM CST.

   * Primary threats include...
     Scattered damaging wind gusts to 70 mph possible
     Isolated large hail events to 1 inch in diameter possible
     A tornado or two possible

   SUMMARY...Thunderstorms are beginning to form along a cold front,
   and these storms will increase in coverage and strengthen gradually
   through the afternoon/evening while spreading eastward.  Embedded
   supercells and/or bowing segments could produce damaging winds, as
   well as a brief tornado and marginally severe hail.

   The severe thunderstorm watch area is approximately along and 60
   statute miles east and west of a line from 25 miles east northeast
   of Kirksville MO to 25 miles southwest of Springfield MO. 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.

   &&

   AVIATION...A few severe thunderstorms with hail surface and aloft to
   1 inch. Extreme turbulence and surface wind gusts to 60 knots. A few
   cumulonimbi with maximum tops to 450. Mean storm motion vector
   24045.

   ...Thompson
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Page last modified: December 05, 2017
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