406
WWUS86 KMTR 102128
SPSMTR
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SAN FRANCISCO CA
228 PM PDT FRI APR 10 2026
CAZ510-102145-
EAST BAY INTERIOR VALLEYS CA-
228 PM PDT FRI APR 10 2026
...A STRONG THUNDERSTORM WILL IMPACT NORTHEASTERN CONTRA COSTA COUNTY
UNTIL 245 PM PDT...
AT 228 PM PDT, DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM OVER
KNIGHTSEN, OR NEAR OAKLEY, MOVING NORTH AT 25 MPH.
HAZARD...WIND GUSTS UP TO 30 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...
OAKLEY, BRENTWOOD, DISCOVERY BAY, KNIGHTSEN AND BETHEL ISLAND.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MONITOR THE WEATHER SITUATION CLOSELY AND BE ALERT FOR THREATENING
WEATHER CONDITIONS.
IF OUTDOORS, CONSIDER SEEKING SHELTER INSIDE A BUILDING.
LAT...LON 3801 12172 3802 12169 3805 12170 3806 12168
3809 12168 3809 12158 3804 12159 3804 12157
3802 12156 3802 12157 3798 12158 3792 12156
3789 12157 3793 12174
TIME...MOT...LOC 2128Z 199DEG 20KT 3797 12162
MAX HAIL SIZE...0.25 IN
MAX WIND GUST...30 MPH
DIALH
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