590
WWUS86 KHNX 121129
SPSHNX
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SAN JOAQUIN VALLEY CA
429 AM PDT WED AUG 12 2026
CAZ323-324-121200-
YOSEMITE VALLEY CA-YOSEMITE NP OUTSIDE OF THE VALLEY CA-
429 AM PDT WED AUG 12 2026
...A STRONG THUNDERSTORM WILL IMPACT NORTHEASTERN MARIPOSA COUNTY
THROUGH 500 AM PDT...
AT 428 AM PDT, DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM OVER
YOSEMITE NATIONAL, OR 12 MILES NORTH OF YOSEMITE SOUTH ENTRANCE,
MOVING NORTHEAST AT 5 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, PORCUPINE FLAT CAMPGROUND, BADGER PASS RANGER STATION,
MORRAINE DOME CAMPGROUND, CAMP 4 CAMPGROUND, NORTH PINES CAMPGROUND,
YOSEMITE GLACIER POINT, BRIDALVEIL CREEK CAMPGROUND, LITTLE YOSEMITE
VALLEY RANGER STATION, YOSEMITE VALLEY VISTOR CENTER, LOWER PINES
CAMPGROUND, YOSEMITE CREEK 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 3762 11966 3770 11973 3785 11958 3771 11943
TIME...MOT...LOC 1128Z 225DEG 6KT 3769 11966
MAX HAIL SIZE...0.25 IN
MAX WIND GUST...40 MPH
JPK
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