390
WWUS86 KMTR 251839
SPSMTR
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SAN FRANCISCO CA
1039 AM PST THU DEC 25 2025
CAZ503>506-251915-
SONOMA COASTAL RANGE CA-NORTH BAY INTERIOR VALLEYS CA-NORTH BAY
INTERIOR MOUNTAINS CA-COASTAL NORTH BAY INCLUDING POINT REYES
NATIONAL SEASHORE CA-
1039 AM PST THU DEC 25 2025
...A STRONG THUNDERSTORM WILL IMPACT NORTHWESTERN SONOMA COUNTY UNTIL
1115 AM PST...
AT 1039 AM PST, DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM 16
MILES SOUTHWEST OF CLOVERDALE, OR 31 MILES NORTHWEST OF SANTA ROSA,
MOVING NORTH AT 50 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...
HEALDSBURG, CLOVERDALE AND GUERNEVILLE.
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 3881 12331 3881 12314 3884 12314 3884 12308
3885 12308 3885 12282 3880 12275 3879 12275
3875 12271 3873 12271 3842 12311 3845 12313
3851 12325 3857 12334 3858 12334 3859 12335
TIME...MOT...LOC 1838Z 187DEG 44KT 3864 12323
MAX HAIL SIZE...0.25 IN
MAX WIND GUST...40 MPH
SARMENT
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