SPC Severe Thunderstorm Watch 567

WW 567 SEVERE TSTM ID MT 101935Z – 110300Z

WW 0567 Image

Severe Thunderstorm Watch Number 567
NWS Storm Prediction Center Norman OK
135 PM MDT Sat Aug 10 2019

The NWS Storm Prediction Center has issued a

* Severe Thunderstorm Watch for portions of 
  Western Montana

* Effective this Saturday afternoon and evening from 135 PM until
  900 PM MDT.

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

SUMMARY...Scattered thunderstorms will develop from the Oregon-Idaho
border region across southwest Montana. Some of these should become
strong to severe, producing large hail and damaging winds.

The severe thunderstorm watch area is approximately along and 115
statute miles north and south of a line from 35 miles west northwest
of Boise ID to 60 miles southeast of Helena MT. 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


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 500. Mean storm motion vector


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