Storm Prediction Center Severe Thunderstorm Watch 455

Note: 
The expiration time in the watch graphic is amended if the watch is
replaced, cancelled or extended.
Note: Click for Watch Status Reports.

   SEL5

   URGENT - IMMEDIATE BROADCAST REQUESTED
   Severe Thunderstorm Watch Number 455
   NWS Storm Prediction Center Norman OK
   115 PM CDT Mon Jun 23 2025

   The NWS Storm Prediction Center has issued a

   * Severe Thunderstorm Watch for portions of 
     Northeast Iowa
     Central Upper Michigan
     Extreme southeast Minnesota
     Southwest, central and northeast Wisconsin
     Lake Michigan
     Lake Superior

   * Effective this Monday afternoon and evening from 115 PM until
     900 PM CDT.

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

   SUMMARY...Clusters of storms, some with bowing characteristics, are
   expected to increase in coverage and intensity through the afternoon
   and persist into this evening.  Damaging winds of 60-70 mph will be
   the main threat, though isolated large hail of 1-1.5 inches in
   diameter may also occur with the strongest storms.

   The severe thunderstorm watch area is approximately along and 60
   statute miles north and south of a line from 70 miles northeast of
   Escanaba MI to 55 miles south southwest of La Crosse WI. For a
   complete depiction of the watch see the associated watch outline
   update (WOUS64 KWNS WOU5).

   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
   26035.

   ...Thompson

   SEL5

   URGENT - IMMEDIATE BROADCAST REQUESTED
   Severe Thunderstorm Watch Number 455
   NWS Storm Prediction Center Norman OK
   115 PM CDT Mon Jun 23 2025

   The NWS Storm Prediction Center has issued a

   * Severe Thunderstorm Watch for portions of 
     Northeast Iowa
     Central Upper Michigan
     Extreme southeast Minnesota
     Southwest, central and northeast Wisconsin
     Lake Michigan
     Lake Superior

   * Effective this Monday afternoon and evening from 115 PM until
     900 PM CDT.

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

   SUMMARY...Clusters of storms, some with bowing characteristics, are
   expected to increase in coverage and intensity through the afternoon
   and persist into this evening.  Damaging winds of 60-70 mph will be
   the main threat, though isolated large hail of 1-1.5 inches in
   diameter may also occur with the strongest storms.

   The severe thunderstorm watch area is approximately along and 60
   statute miles north and south of a line from 70 miles northeast of
   Escanaba MI to 55 miles south southwest of La Crosse WI. For a
   complete depiction of the watch see the associated watch outline
   update (WOUS64 KWNS WOU5).

   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
   26035.

   ...Thompson

Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.

   SAW5 
   WW 455 SEVERE TSTM IA MI MN WI LM LS 231815Z - 240200Z
   AXIS..60 STATUTE MILES NORTH AND SOUTH OF LINE..
   70NE ESC/ESCANABA MI/ - 55SSW LSE/LA CROSSE WI/
   ..AVIATION COORDS.. 50NM N/S /55E SAW - 47S ODI/
   HAIL SURFACE AND ALOFT..1.5 INCHES. WIND GUSTS..60 KNOTS.
   MAX TOPS TO 550. MEAN STORM MOTION VECTOR 26035.

   LAT...LON 45568606 42289167 44019167 47308606

   THIS IS AN APPROXIMATION TO THE WATCH AREA.  FOR A
   COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
   FOR WOU5.

Watch 455 Status Report Message has not been issued yet.

Note:
 Click for Complete Product Text.

Tornadoes

Wind

Hail

Combined Severe Hail/Wind

For each watch, probabilities for particular events inside the watch
(listed above in each table) are determined by the issuing forecaster.
The “Low” category contains probability values ranging from less than 2%
to 20% (EF2-EF5 tornadoes), less than 5% to 20% (all other probabilities),
“Moderate” from 30% to 60%, and “High” from 70% to greater than 95%.
High values are bolded and lighter in color to provide awareness of
an increased threat for a particular event.