Storm Prediction Center Severe Thunderstorm Watch 427
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SEL7
URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 427
NWS Storm Prediction Center Norman OK
345 AM MDT Tue Jun 17 2025
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
Northeast Colorado
* Effective this Tuesday morning from 345 AM until 800 AM MDT.
* Primary threats include...
Scattered large hail and isolated very large hail events to 2.5
inches in diameter possible
Isolated damaging wind gusts to 70 mph possible
SUMMARY...Multiple supercells should continue to pose a threat for
mainly large to very large hail up to 1.5-2.5 inches in diameter for
at least a few more hours this morning as they move slowly
east-southeastward.
The severe thunderstorm watch area is approximately along and 40
statute miles north and south of a line from 95 miles west of Akron
CO to 20 miles northeast of Akron CO. 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 425...WW 426...
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
29020.
...Gleason
2025-06-17 09:45:03
