Severe Thunderstorm Warning until 03:45PM 
The National Weather Service in Hanford CA has issued a
* Severe Thunderstorm Warning for... Northwestern Mariposa County in central California... Western Tuolumne County in northern California...
* Until 345 PM PDT
* At 314 PM PDT, Doppler radar indicated a severe thunderstorm capable of producing large hail up to ping pong ball size and damaging winds in excess of 60 mph. This storm was located 10 miles south of Smith Station, or 26 miles southeast of Sonora, and moving east northeast at 30 mph.
* Locations impacted include... Paradise Meadow, Hetch Hetchy and Lower Kibbie Ridge.
* AFFECTED AREAS: MARIPOSA ... TUOLUMNE
Instructions:
Severe thunderstorms produce damaging winds, destructive hail, deadly lightning and very heavy rain. For your protection, move to an interior room on the lowest floor of your home or business. Heavy rains flood roads quickly so do not drive into areas where water covers the road. If you are in the path of this storm, prepare immediately for large hail and deadly cloud to ground lightning. People outside should move to a shelter, preferably inside a strong building and away from windows. Torrential rainfall is also occurring with this storm, and may lead to flash flooding. Do not drive your vehicle through flooded roadways.
Address/Location
Mariposa County Sheriff's Office
5099 Old Hwy N
Mariposa, CA 95338
Contact
Emergency: 9-1-1
Non-emergencies: 209-966-3615