109
WWUS86 KHNX 121210
SPSHNX
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SAN JOAQUIN VALLEY CA
510 AM PDT WED AUG 12 2026
CAZ323-324-121245-
YOSEMITE VALLEY CA-YOSEMITE NP OUTSIDE OF THE VALLEY CA-
510 AM PDT WED AUG 12 2026
...A STRONG THUNDERSTORM WILL IMPACT NORTHEASTERN MARIPOSA AND
SOUTHEASTERN TUOLUMNE COUNTIES THROUGH 545 AM PDT...
AT 510 AM PDT, DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM NEAR
YOSEMITE NATIONAL, OR 8 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...
YOSEMITE VALLEY, YOSEMITE NATIONAL, LITTLE YOSEMITE VALLEY
CAMPGROUND, BADGER PASS RANGER STATION, MORRAINE DOME CAMPGROUND,
CAMP 4 CAMPGROUND, NORTH PINES CAMPGROUND, YOSEMITE GLACIER POINT,
OSTRANDER LAKE, BRIDALVEIL CREEK CAMPGROUND, LITTLE YOSEMITE VALLEY
RANGER STATION, YOSEMITE VALLEY VISTOR CENTER, LOWER PINES
CAMPGROUND, AND UPPER PINES 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.
PERSONS IN CAMPGROUNDS SHOULD CONSIDER SEEKING STURDY SHELTER UNTIL
THIS STORM PASSES.
LAT...LON 3757 11960 3759 11969 3782 11967 3775 11943
TIME...MOT...LOC 1210Z 204DEG 7KT 3763 11961
MAX HAIL SIZE...0.25 IN
MAX WIND GUST...40 MPH
JPK
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