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Severe Thunderstorm Watch 489
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WW0489 Radar
Hazard Tornadoes EF2+ Tornadoes
Likelihood Low 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.
   SEL9

   URGENT - IMMEDIATE BROADCAST REQUESTED
   Severe Thunderstorm Watch Number 489
   NWS Storm Prediction Center Norman OK
   630 AM CDT Sat Jul 23 2022

   The NWS Storm Prediction Center has issued a

   * Severe Thunderstorm Watch for portions of 
     Southern Minnesota
     Northeastern South Dakota

   * Effective this Saturday morning and afternoon from 630 AM until
     200 PM CDT.

   * Primary threats include...
     Scattered damaging winds and isolated significant gusts to 75
       mph likely
     Scattered large hail and isolated very large hail events to 2
       inches in diameter possible
     A tornado or two possible

   SUMMARY...Initially isolated severe thunderstorms over the western
   parts of the watch area, in SD, are expected to expand/organize into
   a complex of severe thunderstorms through the remainder of the
   morning and into the afternoon.  As this activity moves
   east-southeastward over the next several hours, a threat exists for
   both severe wind and occasional damaging hail.  The tornado
   potential may increase toward the later hours of the watch time in
   MN.

   The severe thunderstorm watch area is approximately along and 50
   statute miles either side of a line from 30 miles west of Aberdeen
   SD to 45 miles east of Mankato 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.

   &&

   OTHER WATCH INFORMATION...CONTINUE...WW 487...WW 488...

   AVIATION...A few severe thunderstorms with hail surface and aloft to
   2 inches. Extreme turbulence and surface wind gusts to 65 knots. A
   few cumulonimbi with maximum tops to 600. Mean storm motion vector
   29040.

   ...Edwards
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Page last modified: July 23, 2022
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