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Severe Thunderstorm Watch 441
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WW0441 Radar
Hazard Tornadoes EF2+ Tornadoes
Likelihood Low Very Low
Severe Wind 65 kt+ Wind
Moderate Moderate
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 441
   NWS Storm Prediction Center Norman OK
   300 PM MDT Mon Jul 3 2023

   The NWS Storm Prediction Center has issued a

   * Severe Thunderstorm Watch for portions of 
     Far southeast Montana
     Western South Dakota
     Northern Wyoming

   * Effective this Monday afternoon from 300 PM until Midnight MDT.

   * Primary threats include...
     Scattered damaging winds and isolated significant gusts to 90
       mph likely
     Scattered large hail and isolated very large hail events to 3
       inches in diameter possible
     A tornado or two possible

   SUMMARY...Multiple scenarios are expected this evening. A couple
   supercells should initially develop over the Black Hills and along a
   front over southwest South Dakota. Very large hail will be the main
   threat with these storms. A fast-moving cluster over northern
   Wyoming should develop into an MCS with embedded supercells and
   bowing structures spreading across western South Dakota later this
   evening.

   The severe thunderstorm watch area is approximately along and 70
   statute miles north and south of a line from 50 miles west southwest
   of Sheridan WY to 15 miles east northeast of Philip SD. 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 438...WW 439...WW 440...

   AVIATION...A few severe thunderstorms with hail surface and aloft to
   3 inches. Extreme turbulence and surface wind gusts to 80 knots. A
   few cumulonimbi with maximum tops to 550. Mean storm motion vector
   27045.

   ...Grams
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