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Severe Thunderstorm Watch 669
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WW0669 Radar
Hazard Tornadoes EF2+ Tornadoes
Likelihood Low Low
Severe Wind 65 kt+ Wind
Moderate Low
Severe Hail 2"+ Hail
Moderate 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.
   SEL9

   URGENT - IMMEDIATE BROADCAST REQUESTED
   Severe Thunderstorm Watch Number 669
   NWS Storm Prediction Center Norman OK
   635 PM CDT Mon Sep 30 2019

   The NWS Storm Prediction Center has issued a

   * Severe Thunderstorm Watch for portions of 
     Eastern and southern Minnesota
     Northwest Wisconsin

   * Effective this Monday night from 635 PM until Midnight CDT.

   * Primary threats include...
     Isolated damaging wind gusts to 70 mph possible
     Isolated large hail events to 1.5 inches in diameter possible
     A tornado or two possible

   SUMMARY...Storms should continue to intensify initially across
   eastern/southern Minnesota early this evening. While there is some
   uncertainty regarding the overall coverage/likelihood of severe
   storms this evening, the environment supports the possibility of
   isolated large hail, locally damaging winds and perhaps a tornado.

   The severe thunderstorm watch area is approximately along and 50
   statute miles east and west of a line from 95 miles north northeast
   of Minneapolis MN to 25 miles east southeast of Fairmont MN. For a
   complete depiction of the watch see the associated watch outline
   update (WOUS64 KWNS WOU9).

   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
   1.5 inches. Extreme turbulence and surface wind gusts to 60 knots. A
   few cumulonimbi with maximum tops to 550. Mean storm motion vector
   24035.

   ...Guyer
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Page last modified: October 01, 2019
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