WWUS20 KWNS 272323
SEL6
SPC WW 272323
SDZ000-WYZ000-280700-

URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 126
NWS Storm Prediction Center Norman OK
525 PM MDT Sun May 27 2018

The NWS Storm Prediction Center has issued a

* Severe Thunderstorm Watch for portions of 
  Western and central South Dakota
  Northeast Wyoming

* Effective this Sunday afternoon and Monday morning from 525 PM
  until 100 AM MDT.

* Primary threats include...
  Scattered damaging wind gusts to 70 mph possible
  Isolated very large hail events to 2 inches in diameter possible

SUMMARY...Multiple clusters of storms from southeast Wyoming to
central Nebraska will develop north-northeast into parts of western
and central South Dakota tonight. Strong to severe wind gusts and
severe hail are the primary hazards.

The severe thunderstorm watch area is approximately along and 70
statute miles north and south of a line from 115 miles west of Rapid
City SD to 25 miles east southeast of Pierre SD. For a complete
depiction of the watch see the associated watch outline update
(WOUS64 KWNS WOU6).

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 123...WW 124...WW 125...

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 450. Mean storm motion vector
20030.

...Grams