738
WWUS86 KHNX 121113
SPSHNX
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SAN JOAQUIN VALLEY CA
413 AM PDT WED AUG 12 2026
CAZ323-324-121145-
YOSEMITE VALLEY CA-YOSEMITE NP OUTSIDE OF THE VALLEY CA-
413 AM PDT WED AUG 12 2026
...A STRONG THUNDERSTORM WILL IMPACT NORTH CENTRAL MARIPOSA AND
SOUTHWESTERN TUOLUMNE COUNTIES THROUGH 445 AM PDT...
AT 413 AM PDT, DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM 8
MILES NORTHWEST OF YOSEMITE NATIONAL, OR 22 MILES NORTH OF YOSEMITE
SOUTH ENTRANCE, MOVING NORTHEAST AT 10 MPH.
HAZARD...WIND GUSTS UP TO 40 MPH AND PEA 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, TAMARACK FLAT CAMPGROUND,
GIN FLAT, WHITE WOLF CAMPGROUND, YOSEMITE CREEK CAMPGROUND, MATHER
RANGER STATION, AND RANCHERIA FALLS WILDERNESS CAMPGROUND.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IF OUTDOORS, CONSIDER SEEKING SHELTER INSIDE A BUILDING.
TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THIS STORM AND MAY LEAD TO
LOCALIZED FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED
ROADWAYS.
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.
PERSONS IN CAMPGROUNDS SHOULD CONSIDER SEEKING STURDY SHELTER UNTIL
THIS STORM PASSES.
LAT...LON 3788 11949 3773 11972 3781 11987 3785 11982
3789 11982 3789 11988 3790 11988 3802 11979
TIME...MOT...LOC 1113Z 210DEG 8KT 3781 11975
MAX HAIL SIZE...0.25 IN
MAX WIND GUST...40 MPH
JPK
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