WWUS56 KMTR 251134
SVSMTR

Severe Weather Statement
National Weather Service San Francisco CA
334 AM PST Thu Dec 25 2025

CAC001-085-251145-
/O.CON.KMTR.SV.W.0022.000000T0000Z-251225T1145Z/
Alameda CA-Santa Clara CA-
334 AM PST Thu Dec 25 2025

...SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 345 AM PST FOR
SOUTH CENTRAL ALAMEDA AND NORTH CENTRAL SANTA CLARA COUNTIES...

At 334 AM PST, severe thunderstorms were located along a line from
over Sunol to over Alum Rock, or along a line from over Pleasanton to
near San Jose, moving northeast at 60 mph.

HAZARD...70 mph wind gusts and small hail.

SOURCE...Radar indicated.

IMPACT...Expect considerable tree damage. Damage is likely to mobile
         homes, roofs, and outbuildings.

Locations impacted include...
  San Jose, Fremont, Hayward, Santa Clara, Pleasanton, Milpitas,
  Campbell, Los Gatos, East Foothills, Alum Rock, Sunol-Midtown,
  Seven Trees, Buena Vista, Fruitdale, Sunol and Cambrian Park.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Anyone outdoors should move to shelter inside a well-built structure
and stay away from windows. These storms are capable of producing
widespread damaging winds.

Tornadoes can develop quickly from severe thunderstorms. Seek shelter
immediately in an interior room on the lowest floor of a well-built
structure.

Intense thunderstorm lines can produce brief tornadoes and widespread
significant wind damage. Although a tornado is not immediately
likely, it is best to move to an interior room on the lowest floor of
a building. These storms may cause serious injury and significant
property damage.

Torrential rainfall is also occurring with these storms and may lead
to flash flooding. Do not drive your vehicle through flooded
roadways.

&&

LAT...LON 3748 12196 3765 12193 3759 12182 3744 12158
      3715 12192
TIME...MOT...LOC 1112Z 211DEG 50KT 3737 12210 3728 12202 3711 12205

TORNADO...POSSIBLE
THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...70 MPH

$$