WW 496 SEVERE TSTM IA MN WI 240155Z – 240800Z
URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 496
NWS Storm Prediction Center Norman OK
855 PM CDT Sat Jul 23 2022
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
North central and northeast Iowa
Southern Minnesota
Extreme southwestern Wisconsin
* Effective this Saturday night and Sunday morning from 855 PM
until 300 AM 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
A tornado or two possible
SUMMARY...A mix of supercells and storm clusters are expected
tonight across northern Iowa and southern Minnesota, with storms
spreading eastward into the early morning hours. Isolated large
hail up to 2 inches in diameter and an isolated tornado or two may
occur with any sustained supercells, while upscale growth into
clusters will support the threat for occasional damaging gusts of 60
to 70 mph.
The severe thunderstorm watch area is approximately along and 75
statute miles north and south of a line from 40 miles northwest of
Fort Dodge IA to 45 miles north northeast of Dubuque IA. For a
complete depiction of the watch see the associated watch outline
update (WOUS64 KWNS WOU6).
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 493...WW 494...WW 495...
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
27030.
...Thompson
