WW 612 SEVERE TSTM CO KS NE 162005Z – 170300Z
URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 612
NWS Storm Prediction Center Norman OK
305 PM CDT Tue Sep 16 2025
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
Northeast Colorado
Northwest Kansas
Western and Central Nebraska
* Effective this Tuesday afternoon and evening from 305 PM until
1000 PM CDT.
* 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
A tornado or two possible
SUMMARY...Strong to severe thunderstorms will continue to develop
this afternoon, initially and particularly across
west-central/southwest Nebraska and northwest Kansas. Additional and
potentially a secondary round of development will occur later this
afternoon as stronger upper-level support arrives from the post and
the post-frontal low-level upslope environment evolves.
The severe thunderstorm watch area is approximately along and 80
statute miles east and west of a line from 10 miles northwest of
Valentine NE to 65 miles south of Imperial NE. For a complete
depiction of the watch see the associated watch outline update
(WOUS64 KWNS WOU2).
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
22025.
...Guyer
