WW 559 SEVERE TSTM MN WI 282105Z – 290300Z
URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 559
NWS Storm Prediction Center Norman OK
405 PM CDT Fri Jul 28 2023
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
Southeast Minnesota
West central Wisconsin
* Effective this Friday afternoon and evening from 405 PM until
1000 PM CDT.
* Primary threats include...
Scattered large hail and isolated very large hail events to 2
inches in diameter possible
Scattered damaging wind gusts to 70 mph possible
SUMMARY...Thunderstorm development is expected late this afternoon
from Minnesota into Wisconsin, where the storm environment favors
supercells capable of producing large hail/damaging winds. There
will be some potential for cluster development later this evening.
The severe thunderstorm watch area is approximately along and 70
statute miles north and south of a line from 25 miles north of
Mankato MN to 60 miles east southeast of Eau Claire 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 557...WW 558...
AVIATION...A few severe thunderstorms with hail surface and aloft to
2 inches. Extreme turbulence and surface wind gusts to 60 knots. A
few cumulonimbi with maximum tops to 550. Mean storm motion vector
27035.
...Thompson
