June 21, 2025

Storm Prediction Center Severe Thunderstorm Watch 449

4 min read


WW0449 Radar

Note: 
The expiration time in the watch graphic is amended if the watch is
replaced, cancelled or extended.

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   SEL9

   URGENT - IMMEDIATE BROADCAST REQUESTED
   Severe Thunderstorm Watch Number 449
   NWS Storm Prediction Center Norman OK
   1115 PM CDT Fri Jun 20 2025

   The NWS Storm Prediction Center has issued a

   * Severe Thunderstorm Watch for portions of 
     Northern Minnesota
     Northern Wisconsin
     Lake Superior

   * Effective this Friday night and Saturday morning from 1115 PM
     until 700 AM CDT.

   * Primary threats include...
     Scattered damaging winds and isolated significant gusts to 80
       mph likely
     Scattered large hail and isolated very large hail events to 2
       inches in diameter possible
     A tornado or two possible

   SUMMARY...Scattered severe thunderstorms are forecast to develop and
   move east across the Watch tonight.  A mix of supercells, clusters
   of storms, and a bow echo are forecast to move into the Watch, and
   pose a risk for severe gusts (60-80 mph), large to very large hail,
   and perhaps a tornado.

   The severe thunderstorm watch area is approximately along and 75
   statute miles north and south of a line from 40 miles northwest of
   Bemidji MN to 45 miles northeast of Kennedy WI. 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 448...

   AVIATION...A few severe thunderstorms with hail surface and aloft to
   2 inches. Extreme turbulence and surface wind gusts to 70 knots. A
   few cumulonimbi with maximum tops to 500. Mean storm motion vector
   25035.

   ...Smith

2025-06-21 04:17:04