SPC Severe Thunderstorm Watch 568



WW 568 SEVERE TSTM MT SD WY 102105Z – 110400Z

WW 0568 Image

URGENT - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Watch Number 568
NWS Storm Prediction Center Norman OK
305 PM MDT Sat Aug 10 2019

The NWS Storm Prediction Center has issued a

* Severe Thunderstorm Watch for portions of 
  Southern Montana
  Western South Dakota
  Northern Wyoming

* Effective this Saturday afternoon and evening from 305 PM until
  1000 PM MDT.

* Primary threats include...
  Isolated significant damaging wind gusts to 75 mph possible
  Isolated very large hail events to 2 inches in diameter possible

SUMMARY...Scattered thunderstorms will pose a risk for isolated
severe hail and wind into late evening.

The severe thunderstorm watch area is approximately along and 75
statute miles north and south of a line from 65 miles south
southwest of Harlowton MT to 45 miles east of Rapid City SD. For a
complete depiction of the watch see the associated watch outline
update (WOUS64 KWNS WOU8).

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 567...

AVIATION...A few severe thunderstorms with hail surface and aloft to
2 inches. Extreme turbulence and surface wind gusts to 65 knots. A
few cumulonimbi with maximum tops to 550. Mean storm motion vector
25030.

...Grams

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