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Severe Thunderstorm Watch 504
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WW0504 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.
   SEL4

   URGENT - IMMEDIATE BROADCAST REQUESTED
   Severe Thunderstorm Watch Number 504
   NWS Storm Prediction Center Norman OK
   1120 AM CST Tue Nov 10 2020

   The NWS Storm Prediction Center has issued a

   * Severe Thunderstorm Watch for portions of 
     Eastern Iowa
     Western Illinois
     Northeast Missouri

   * Effective this Tuesday morning and evening from 1120 AM until
     600 PM CST.

   * Primary threats include...
     Scattered damaging wind gusts to 70 mph likely
     A tornado or two possible

   SUMMARY...Thunderstorms are beginning to intensify along a cold
   front over Missouri and southeast Iowa.  These storms will track
   quickly northeastward across the watch area, posing a risk of
   locally damaging wind gusts and a tornado or two.

   The severe thunderstorm watch area is approximately along and 65
   statute miles east and west of a line from 20 miles east southeast
   of Jefferson City MO to 30 miles northwest of Rockford IL. For a
   complete depiction of the watch see the associated watch outline
   update (WOUS64 KWNS WOU4).

   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
   23040.

   ...Hart
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