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Special Weather Statement issued July 30 at 9:35PM MDT by NWS Riverton WY

Posted at 9:35 PM, Jul 30, 2019
and last updated 2019-07-30 23:35:00-04

At 935 PM MDT, Doppler radar was tracking a strong thunderstorm over
Twin Lakes, which is 13 miles south of Mammoth, moving east at 30
mph.

Half inch hail and winds in excess of 30 mph will be possible with
this storm.

This strong thunderstorm will be near…
Virginia Cascade around 940 PM MDT.
Grebe Lake around 945 PM MDT.
Canyon, Cascade Lake and Lower Falls around 950 PM MDT.
Dunraven Pass and Mount Washburn around 955 PM MDT.
Persons in campgrounds should consider seeking sturdy shelter until
this storm passes.