February 14, 2019 - The Mariposa County Sheriff's Office has issued the following NIXLE alerts.

Advisory: Special Weather Statement for Northern, Mariposa County

Special Weather Statement Issued for Northern Mariposa Co including Coulterville and Greeley Hill areas.

High Winds/ Large Size Hail/ Multiple Tree Falls. Please stay indoors. 

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Flash Flood Warning
National Weather Service San Joaquin Valley CA
1204 PM PST THU FEB 14 2019

The National Weather Service in Hanford CA has issued a

* Flash Flood Warning for...
Northwestern Mariposa County in central California...
Southwestern Tuolumne County in northern California...

* Until 130 PM PST.

* At 1159 AM PST, Doppler radar indicated a line of thunderstorms
providing very heavy rain across the warned area. Radar estimated
half to three quarters of an per hour. Flash flooding is expected
to begin shortly.

* Some locations that will experience flooding include...
Mariposa, Catheys Valley, Hetch Hetchy and Crane Flat.

Excessive rainfall over the Ferguson burn scar will result in debris
flow moving through the Merced river drainage. The debris flow can
consist of rock, mud, vegetation and other loose materials.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

In hilly terrain there are hundreds of low water crossings which are potentially dangerous in heavy rain. Do not attempt to cross flooded roads. Find an alternate route.
Source: Mariposa County Sheriff's Office