SPC Severe Thunderstorm Watch 437
WW 437 SEVERE TSTM IA WI 021745Z - 030000Z



URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 437
NWS Storm Prediction Center Norman OK
1245 PM CDT Thu Jul 2 2026

The NWS Storm Prediction Center has issued a

* Severe Thunderstorm Watch for portions of
Northeast Iowa
Southwest Wisconsin

* Effective this Thursday afternoon and evening from 1245 PM
until 700 PM CDT.

* Primary threats include...
Scattered damaging wind gusts to 70 mph likely
Scattered large hail and isolated very large hail events to 2
inches in diameter possible
A tornado or two possible

SUMMARY...Thunderstorms are intensifying over north-central Iowa.
These storms will track eastward along and north of a surface
boundary into a strongly unstable air mass. Damaging winds and
large hail are possible.

The severe thunderstorm watch area is approximately along and 45
statute miles north and south of a line from 25 miles south of Mason
City IA to 20 miles northeast of Dubuque IA. For a complete
depiction of the watch see the associated watch outline update
(WOUS64 KWNS WOU7).

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
2 inches. Extreme turbulence and surface wind gusts to 60 knots. A
few cumulonimbi with maximum tops to 500. Mean storm motion vector
26025.

...Hart


Read more
https://www.spc.noaa.gov/products/watch/ww0437.html