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WWUS20 KWNS 142040
SEL4
SPC WW 142040
COZ000-NEZ000-SDZ000-WYZ000-150300-

URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 414
NWS Storm Prediction Center Norman OK
240 PM MDT Sat Jun 14 2025

The NWS Storm Prediction Center has issued a

* Severe Thunderstorm Watch for portions of
  Northeast Colorado
  The Nebraska Panhandle
  Extreme southwest South Dakota
  Eastern Wyoming

* Effective this Saturday afternoon and evening from 240 PM until
  900 PM MDT.

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

SUMMARY...A few thunderstorm clusters, and potentially a couple of
supercells, are expected to form and spread eastward from eastern
Wyoming into the Nebraska Panhandle and adjacent parts of far
southwest South Dakota and northeast Colorado through late evening.
Large hail of 1-2 inches in diameter and severe outflow gusts of
60-70 mph will be the main threats.

The severe thunderstorm watch area is approximately along and 60
statute miles east and west of a line from 25 miles north northeast
of Gillette WY to 60 miles southwest of Sidney NE. For a complete
depiction of the watch see the associated watch outline update
(WOUS64 KWNS WOU4).

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
27020.

...Thompson