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WWUS86 KHNX 312311
SPSHNX

Special Weather Statement
National Weather Service San Joaquin Valley CA
411 PM PDT Sat May 31 2025
 

CAZ318-323-312345-
Mariposa-Madera Lower Sierra CA-Yosemite NP outside of the valley CA-
411 PM PDT Sat May 31 2025

...A STRONG THUNDERSTORM WILL IMPACT NORTH CENTRAL MARIPOSA AND
SOUTHWESTERN TUOLUMNE COUNTIES THROUGH 445 PM PDT...

At 411 PM PDT, Doppler radar was tracking a strong thunderstorm 12
miles northwest of Yosemite Valley, or 25 miles southwest of Twin
Lakes, moving northwest at 10 mph.

HAZARD...Wind gusts up to 40 mph and penny size hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around 
         unsecured objects. Minor hail damage to vegetation is 
         possible.

Locations impacted include...
Hetch Hetchy, Hetch Hetchy Ranger Station, Gin Flat, White Wolf
Campground, Yosemite Creek Campground, Rancheria Falls Wilderness
Campground, and Hodgdon Meadow Campground.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building. 

Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

This storm may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.

&&

LAT...LON 3806 11977 3789 11950 3776 11967 3777 11987
      3778 11986 3778 11987 3781 11987 3785 11982
      3789 11982 3790 11986
TIME...MOT...LOC 2311Z 123DEG 10KT 3790 11968 

MAX HAIL SIZE...0.75 IN
MAX WIND GUST...40 MPH

$$

JPK