SPC Severe Thunderstorm Watch 427
WW 427 SEVERE TSTM MN NE SD 010505Z - 011100Z



URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 427
NWS Storm Prediction Center Norman OK
1205 AM CDT Wed Jul 1 2026

The NWS Storm Prediction Center has issued a

* Severe Thunderstorm Watch for portions of
Southwest Minnesota
Extreme northeast Nebraska
Southeast South Dakota

* Effective this Wednesday morning from 1205 AM until 600 AM CDT.

* Primary threats include...
Scattered damaging winds and isolated significant gusts to 75
mph possible
Isolated large hail events to 1 inch in diameter possible

SUMMARY...A storm cluster with a history of severe gusts in Nebraska
will continue northeastward into southeast South Dakota and
southwest Minnesota through the early morning hours. Thunderstorm
gusts of 60-75 mph will be the main threat, though isolated large
hail near 1 inch in diameter will also be possible.

The severe thunderstorm watch area is approximately along and 65
statute miles east and west of a line from 15 miles north of
Brookings SD to 85 miles southwest of Mitchell SD. 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.

&&

OTHER WATCH INFORMATION...CONTINUE...WW 426...

AVIATION...A few severe thunderstorms with hail surface and aloft to
1 inch. Extreme turbulence and surface wind gusts to 65 knots. A few
cumulonimbi with maximum tops to 550. Mean storm motion vector
24035.

...Thompson


Read more
https://www.spc.noaa.gov/products/watch/ww0427.html