Colorado Severe Thunderstorm Watch

WWUS20 KWNS 202059
SPC WW 202059

Severe Thunderstorm Watch Number 607
NWS Storm Prediction Center Norman OK
300 PM MDT Tue Aug 20 2019

The NWS Storm Prediction Center has issued a

* Severe Thunderstorm Watch for portions of
Extreme northeast Colorado
The western Nebraska Panhandle
Southeast Wyoming

* Effective this Tuesday afternoon and evening from 300 PM until
1100 PM MDT.

* Primary threats include…
Scattered large hail and isolated very large hail events to 2.5
inches in diameter possible
Scattered damaging wind gusts to 70 mph possible

SUMMARY…Scattered thunderstorm development is expected late this
afternoon/evening from extreme northeast Colorado into southeast
Wyoming. The storm environment will favor discrete supercells with
isolated very large hail initially, and upscale growth into a
cluster is possible late this evening with some damaging wind

The severe thunderstorm watch area is approximately along and 50
statute miles east and west of a line from 45 miles west northwest
of Chadron NE to 65 miles southeast of Cheyenne WY. For a complete
depiction of the watch see the associated watch outline update


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

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