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URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 380
NWS Storm Prediction Center Norman OK
150 PM MDT Thu Jun 29 2017
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
* Effective this Thursday afternoon and evening from 150 PM until
900 PM MDT.
* Primary threats include...
Scattered large hail and isolated very large hail events to 3
inches in diameter possible
Isolated damaging wind gusts to 70 mph possible
A tornado or two possible
SUMMARY...Relatively isolated storms initially will continue to
develop across eastern Colorado including a few supercells. Storms
may eventually merge and cluster later this afternoon into evening
with an increasing damaging wind risk spreading east-southeastward
into western Kansas.
The severe thunderstorm watch area is approximately along and 65
statute miles north and south of a line from 45 miles west southwest
of Limon CO to 75 miles south southeast of Goodland KS. For a
complete depiction of the watch see the associated watch outline
update (WOUS64 KWNS WOU0).
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
AVIATION...A few severe thunderstorms with hail surface and aloft to
3 inches. Extreme turbulence and surface wind gusts to 60 knots. A
few cumulonimbi with maximum tops to 500. Mean storm motion vector