623
WWUS86 KMTR 251832
SPSMTR
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SAN FRANCISCO CA
1032 AM PST THU DEC 25 2025
CAZ502-504>506-251915-
MARIN COASTAL RANGE CA-NORTH BAY INTERIOR VALLEYS CA-NORTH BAY
INTERIOR MOUNTAINS CA-COASTAL NORTH BAY INCLUDING POINT REYES
NATIONAL SEASHORE CA-
1032 AM PST THU DEC 25 2025
..A STRONG THUNDERSTORM WILL IMPACT MARIN
SOUTHWESTERN NAPA AND
SOUTHEASTERN SONOMA COUNTIES UNTIL 1115 AM PST...
AT 1032 AM PST, DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM 7
MILES NORTH OF SAN GERONIMO, OR 8 MILES WEST OF NOVATO, MOVING
NORTHEAST AT 40 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 DAMAGE TO OUTDOOR OBJECTS IS
POSSIBLE.
LOCATIONS IMPACTED INCLUDE...
SANTA ROSA, NAPA, PETALUMA, SAN RAFAEL, NOVATO, ROHNERT PARK,
SONOMA, FAIRFAX, COTATI, ST. HELENA, BOYES HOT SPRINGS, BLACK
POINT-GREEN POINT, LUCAS VALLEY-MARINWOOD, SOUTH SANTA ROSA CDP,
SAN GERONIMO, POINT REYES STATION, YOUNTVILLE, TEMELEC, EL VERANO
AND GLEN ELLEN.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MONITOR THE WEATHER SITUATION CLOSELY AND BE ALERT FOR THREATENING
WEATHER CONDITIONS.
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.
LAT...LON 3816 12291 3814 12288 3817 12290 3856 12258
3835 12220 3790 12271 3800 12282 3803 12293
3803 12289 3804 12293 3809 12293 3806 12296
3803 12294 3801 12298 3799 12296 3799 12302
TIME...MOT...LOC 1831Z 217DEG 35KT 3811 12270
MAX HAIL SIZE...0.25 IN
MAX WIND GUST...40 MPH
SARMENT
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