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URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 181
NWS Storm Prediction Center Norman OK
250 PM MDT Sat Jun 16 2018
The NWS Storm Prediction Center has issued a
* Severe Thunderstorm Watch for portions of
Northern and western Nebraska
Western and central South Dakota
Far southeast Wyoming
* Effective this Saturday afternoon and evening from 250 PM until
1100 PM MDT.
* Primary threats include...
Scattered damaging winds and isolated significant gusts to 80
Scattered large hail and isolated very large hail events to 2.5
inches in diameter possible
A tornado or two possible
SUMMARY...Scattered thunderstorms will develop along a nearly
stationary front from parts of western and northern Nebraska into
central South Dakota, while additional storms may progress from
southeast Wyoming across the Nebraska Panhandle into western South
Dakota. Large hail and severe wind gusts are the primary hazards,
although a tornado or two is possible across central South Dakota.
The severe thunderstorm watch area is approximately along and 60
statute miles east and west of a line from 50 miles south of
Scottsbluff NE to 80 miles north northeast of Pierre SD. For a
complete depiction of the watch see the associated watch outline
update (WOUS64 KWNS WOU1).
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
OTHER WATCH INFORMATION...CONTINUE...WW 180...
AVIATION...A few severe thunderstorms with hail surface and aloft to
2.5 inches. Extreme turbulence and surface wind gusts to 70 knots. A
few cumulonimbi with maximum tops to 500. Mean storm motion vector