524
WWUS20 KWNS 182223
SEL1
SPC WW 182223
COZ000-KSZ000-NEZ000-190400-

URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 601
NWS Storm Prediction Center Norman OK
525 PM CDT Mon Aug 18 2025

The NWS Storm Prediction Center has issued a

* Severe Thunderstorm Watch for portions of
  Eastern Colorado
  Northwest Kansas
  Southwest Nebraska

* Effective this Monday afternoon and evening from 525 PM until
  1100 PM CDT.

* Primary threats include...
  Scattered damaging winds and isolated significant gusts to 75
    mph possible
  Isolated large hail events to 1.5 inches in diameter possible

SUMMARY...Clusters of thunderstorms will continue to develop and
gradually move east across the Watch area through the evening.  A
couple of transient supercells may yield an isolated risk for large
hail.  Otherwise, scattered severe gusts associated with stronger
thunderstorm cores and gusts on the leading edge of outflow will
pose a risk for 60-75 mph winds.

The severe thunderstorm watch area is approximately along and 80
statute miles east and west of a line from 55 miles northwest of
Imperial NE to 60 miles south southeast of Goodland KS. For a
complete depiction of the watch see the associated watch outline
update (WOUS64 KWNS WOU1).

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 599...WW 600...

AVIATION...A few severe thunderstorms with hail surface and aloft to
1.5 inches. Extreme turbulence and surface wind gusts to 65 knots. A
few cumulonimbi with maximum tops to 500. Mean storm motion vector
27015.

...Smith