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Severe Thunderstorm Watch 579
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WW0579 Radar
Hazard Tornadoes EF2+ Tornadoes
Likelihood Low Low
Severe Wind 65 kt+ Wind
High Moderate
Severe Hail 2"+ Hail
High 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.
   SEL9

   URGENT - IMMEDIATE BROADCAST REQUESTED
   Severe Thunderstorm Watch Number 579
   NWS Storm Prediction Center Norman OK
   1215 PM CDT Wed Jul 31 2024

   The NWS Storm Prediction Center has issued a

   * Severe Thunderstorm Watch for portions of 
     Western and Central Minnesota
     Southeast North Dakota
     Central and Eastern South Dakota

   * Effective this Wednesday afternoon and evening from 1215 PM
     until 700 PM CDT.

   * Primary threats include...
     Scattered damaging winds and isolated significant gusts to 80
       mph likely
     Scattered large hail likely with isolated very large hail events
       to 2.5 inches in diameter possible
     A tornado or two possible

   SUMMARY...Multiple clusters of thunderstorms will likely produce
   scattered to numerous severe/damaging winds up to 65-80 mph this
   afternoon as they move east-northeastward. Supercells should develop
   and pose a greater threat for severe hail generally around 1.5-2.5
   inches in diameter, especially in parts of central to northeast
   South Dakota. A tornado or two also appears possible.

   The severe thunderstorm watch area is approximately along and 75
   statute miles north and south of a line from 90 miles west southwest
   of Aberdeen SD to 50 miles northeast of Alexandria 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
   2.5 inches. Extreme turbulence and surface wind gusts to 70 knots. A
   few cumulonimbi with maximum tops to 500. Mean storm motion vector
   27035.

   ...Gleason
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Page last modified: August 01, 2024
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