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WWUS20 KWNS 130023
SEL7
SPC WW 130023
IAZ000-NEZ000-130400-

URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 407
NWS Storm Prediction Center Norman OK
725 PM CDT Wed Jun 12 2024

The NWS Storm Prediction Center has issued a

* Severe Thunderstorm Watch for portions of
  Western Iowa
  Eastern Nebraska

* Effective this Wednesday evening from 725 PM until 1100 PM CDT.

* Primary threats include...
  Scattered large hail and isolated very large hail events to 3.5
    inches in diameter possible
  Scattered damaging wind gusts to 70 mph possible
  A tornado or two possible

SUMMARY...A couple of severe supercells are possible over the Watch
area this evening.  The stronger storms will potentially be capable
of very large to giant hail (2 to 3.5 inches in diameter), localized
severe gusts, and perhaps a tornado.

The severe thunderstorm watch area is approximately along and 45
statute miles east and west of a line from 25 miles northwest of
Denison IA to 25 miles south of Omaha NE. 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 405...WW 406...

AVIATION...A few severe thunderstorms with hail surface and aloft to
3.5 inches. Extreme turbulence and surface wind gusts to 60 knots. A
few cumulonimbi with maximum tops to 500. Mean storm motion vector
33020.

...Smith