352
WWUS20 KWNS 291942
SEL9
SPC WW 291942
COZ000-NEZ000-SDZ000-WYZ000-300300-

URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 479
NWS Storm Prediction Center Norman OK
145 PM MDT Sun Jun 29 2025

The NWS Storm Prediction Center has issued a

* Severe Thunderstorm Watch for portions of
  Northeast Colorado
  Western Nebraska
  Southwest South Dakota
  Eastern Wyoming

* Effective this Sunday afternoon and evening from 145 PM until
  900 PM MDT.

* Primary threats include...
  Scattered large hail and isolated very large hail events to 2.5
    inches in diameter possible
  Scattered damaging wind gusts to 70 mph possible

SUMMARY...Clusters of thunderstorms will develop from eastern
Wyoming into central Colorado this afternoon.  These storms will
spread eastward into western South Dakota/Nebraska through the
evening.  Damaging winds and large hail will be possible.

The severe thunderstorm watch area is approximately along and 60
statute miles east and west of a line from 85 miles north northwest
of Chadron NE to 15 miles southwest of Limon CO. 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 477...WW 478...

AVIATION...A few severe thunderstorms with hail surface and aloft to
2.5 inches. Extreme turbulence and surface wind gusts to 60 knots. A
few cumulonimbi with maximum tops to 500. Mean storm motion vector
28030.

...Hart