943 WHUS56 KMTR 251000 SMWMTR PZZ545-251015- /O.NEW.KMTR.MA.W.0051.251225T1000Z-251225T1015Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Special Marine Warning National Weather Service San Francisco CA 200 AM PST Thu Dec 25 2025 The National Weather Service in San Francisco has issued a * Special Marine Warning for... Coastal Waters from Point Reyes to Pigeon Point California out to 10 NM... * Until 215 AM PST. * At 200 AM PST, a severe thunderstorm capable of producing waterspouts was located 10 NM west of Point Bonita, moving north at 55 knots. HAZARD...Waterspouts and wind gusts in excess of 50 knots. SOURCE...Radar indicated. IMPACT...Waterspouts can easily overturn boats and create locally hazardous seas. Boats could suffer significant structural damage in high winds. Small craft could capsize in suddenly higher waves. * Locations impacted include... Mainly open waters of Coastal Waters from Point Reyes to Pigeon Point California out to 10 NM. PRECAUTIONARY/PREPAREDNESS ACTIONS... Move to safe harbor until hazardous weather passes. && LAT...LON 3795 12277 3793 12273 3791 12273 3790 12272 3791 12271 3793 12272 3794 12272 3794 12269 3786 12257 3766 12269 3767 12272 3773 12273 3774 12278 3776 12285 TIME...MOT...LOC 1000Z 199DEG 56KT 3776 12273 WATERSPOUT...POSSIBLE MAX HAIL SIZE...<.75 IN MAX WIND GUST...>50 KTS $$ Behringer  206 WGUS56 KMTR 251001 FFWMTR CAC081-251315- /O.NEW.KMTR.FF.W.0005.251225T1001Z-251225T1315Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED Flash Flood Warning National Weather Service San Francisco CA 201 AM PST Thu Dec 25 2025 The National Weather Service in San Francisco has issued a * Flash Flood Warning for... Northern San Mateo County in northern California... * Until 515 AM PST. * At 201 AM PST, Doppler radar indicated heavy rain across the warned area. Up to 0.7 inches of rain have fallen. Flash flooding is ongoing or expected to begin shortly. HAZARD...Life threatening flash flooding. Heavy rain producing flash flooding. SOURCE...Radar indicated. IMPACT...Life threatening flash flooding of creeks and streams, urban areas, highways, streets and underpasses. * Some locations that will experience flash flooding include... San Mateo, Redwood City, Palo Alto, Menlo Park, Foster City, Burlingame, San Carlos, East Palo Alto, Belmont, Millbrae, Hillsborough, Atherton, Woodside, Highlands-Baywood Park, North Fair Oaks, Stanford, Portola Valley, Emerald Lake Hills, Highlands and West Menlo Park. PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be especially cautious at night when it is harder to recognize the dangers of flooding. Be aware of your surroundings and do not drive on flooded roads. && LAT...LON 3738 12223 3757 12244 3761 12238 3759 12231 3753 12228 3756 12229 3757 12229 3756 12224 3754 12225 3753 12227 3755 12222 3752 12225 3749 12223 3752 12220 3748 12215 3751 12214 3747 12212 FLASH FLOOD...RADAR INDICATED FLASH FLOOD DAMAGE THREAT...CONSIDERABLE $$ KR  084 WGUS56 KLOX 251004 FFWLOX CAC111-251400- /O.NEW.KLOX.FF.W.0055.251225T1004Z-251225T1400Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED Flash Flood Warning National Weather Service Los Angeles/Oxnard CA 204 AM PST Thu Dec 25 2025 The National Weather Service in Los Angeles/Oxnard has issued a * Flash Flood Warning for... West Central Ventura County in southwestern California... * Until 600 AM PST. * At 204 AM PST, Doppler radar and automated rain gauges indicated heavy rain falling across the warned area. Rain rates up to 0.60 inches an hour have been observed. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by heavy rain. SOURCE...Radar and automated gauges. IMPACT...Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas. Mudslides and rockslides. * Some locations that will experience flash flooding include... Ojai, Rose Valley, Meiners Oaks, Highway 33 between Wheeler Springs and Rose Valley Road, Lake Casitas, Solimar Beach and Seacliff. PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be especially cautious at night when it is harder to recognize the dangers of flooding. In hilly terrain there are hundreds of low water crossings which are potentially dangerous in heavy rain. Do not attempt to cross flooded roads. Find an alternate route. && LAT...LON 3451 11897 3434 11912 3432 11929 3428 11935 3431 11941 3460 11925 FLASH FLOOD...RADAR AND GAUGE INDICATED $$ Lund/Rorke  657 WGUS76 KLOX 251008 FFSLOX Flash Flood Statement National Weather Service Los Angeles/Oxnard CA 208 AM PST Thu Dec 25 2025 CAC111-251400- /O.CON.KLOX.FF.W.0055.000000T0000Z-251225T1400Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Ventura CA- 208 AM PST Thu Dec 25 2025 ...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 6 AM PST EARLY THIS MORNING FOR WEST CENTRAL VENTURA COUNTY... At 208 AM PST, Doppler radar and automated rain gauges indicated heavy rain falling across the warned area. Rain rates up to 0.60 inches in 30 minutes have been observed. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by heavy rain. SOURCE...Radar and automated gauges. IMPACT...Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas. Mudslides and rockslides. Some locations that will experience flash flooding include... Ojai, Rose Valley, Meiners Oaks, Highway 33 between Wheeler Springs and Rose Valley Road, Lake Casitas, Solimar Beach and Seacliff. PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be especially cautious at night when it is harder to recognize the dangers of flooding. In hilly terrain there are hundreds of low water crossings which are potentially dangerous in heavy rain. Do not attempt to cross flooded roads. Find an alternate route. && LAT...LON 3451 11897 3434 11912 3432 11929 3428 11935 3431 11941 3460 11925 FLASH FLOOD...RADAR AND GAUGE INDICATED EXPECTED RAINFALL RATE...60 INCHES IN 30 MINUTES $$ Lund/Rorke  740 FZUS76 KMTR 251010 MWSMTR Marine Weather Statement National Weather Service San Francisco CA 210 AM PST Thu Dec 25 2025 PZZ545-251020- /O.EXP.KMTR.MA.W.0051.000000T0000Z-251225T1015Z/ 210 AM PST Thu Dec 25 2025 ...SPECIAL MARINE WARNING WILL EXPIRE AT 215 AM PST... The affected areas were... Coastal Waters from Point Reyes to Pigeon Point California out to 10 NM... The thunderstorm has moved out of area and no longer poses a significant threat to boaters. && LAT...LON 3795 12277 3793 12273 3791 12273 3790 12272 3791 12271 3793 12272 3794 12272 3794 12269 3786 12257 3766 12269 3767 12272 3773 12273 3774 12278 3776 12285 TIME...MOT...LOC 1000Z 199DEG 56KT 3776 12273 $$ Behringer  750 WUUS56 KMTR 251019 SVRMTR CAC075-081-251045- /O.NEW.KMTR.SV.W.0020.251225T1019Z-251225T1045Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service San Francisco CA 219 AM PST Thu Dec 25 2025 The National Weather Service in San Francisco has issued a * Severe Thunderstorm Warning for... San Francisco County in northern California... Northwestern San Mateo County in northern California... * Until 245 AM PST. * At 219 AM PST, a severe thunderstorm was located over Daly City, moving northeast at 60 mph. HAZARD...70 mph wind gusts and small hail. SOURCE...Radar indicated. IMPACT...Expect considerable tree damage. Damage is likely to mobile homes, roofs, and outbuildings. * Locations impacted include... San Francisco, Daly City, South San Francisco, San Bruno, Pacifica, Brisbane, Colma and Broadmoor. PRECAUTIONARY/PREPAREDNESS ACTIONS... Tornadoes can develop quickly from severe thunderstorms. Seek shelter immediately in an interior room on the lowest floor of a well-built structure. && LAT...LON 3779 12249 3781 12248 3781 12241 3779 12239 3783 12237 3781 12237 3781 12236 3778 12239 3776 12238 3775 12239 3772 12236 3772 12239 3771 12238 3771 12239 3769 12239 3762 12243 3761 12250 3778 12251 TIME...MOT...LOC 1019Z 206DEG 52KT 3771 12248 TORNADO...POSSIBLE THUNDERSTORM DAMAGE THREAT...CONSIDERABLE HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...<1.00 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...70 MPH $$ Behringer  878 FZUS76 KMTR 251035 MWSMTR Marine Weather Statement National Weather Service San Francisco CA 235 AM PST Thu Dec 25 2025 PZZ545-571-251045- /O.EXP.KMTR.MA.W.0050.000000T0000Z-251225T1030Z/ 235 AM PST Thu Dec 25 2025 ...SPECIAL MARINE WARNING HAS EXPIRED... The affected areas were... Coastal Waters from Point Reyes to Pigeon Point California out to 10 NM... Waters from Point Reyes to Pigeon Point 10-60 NM... The thunderstorm has moved out of area and no longer poses a significant threat to boaters. && LAT...LON 3729 12267 3734 12283 3785 12266 3781 12253 3778 12251 3769 12250 3760 12250 3759 12252 3756 12251 TIME...MOT...LOC 0954Z 200DEG 49KT 3738 12270 $$ Behringer  704 WWUS56 KMTR 251038 SVSMTR Severe Weather Statement National Weather Service San Francisco CA 238 AM PST Thu Dec 25 2025 CAC075-081-251045- /O.CON.KMTR.SV.W.0020.000000T0000Z-251225T1045Z/ San Francisco CA-San Mateo CA- 238 AM PST Thu Dec 25 2025 ...SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 245 AM PST FOR EASTERN SAN FRANCISCO AND NORTHWESTERN SAN MATEO COUNTIES... At 238 AM PST, a line of severe thunderstorms was located over San Francisco, moving northeast at 60 mph. HAZARD...70 mph wind gusts and small hail. SOURCE...Radar indicated. IMPACT...Expect considerable tree damage. Damage is likely to mobile homes, roofs, and outbuildings. Locations impacted include... San Francisco, Daly City, South San Francisco, San Bruno, Pacifica, Brisbane, Colma and Broadmoor. PRECAUTIONARY/PREPAREDNESS ACTIONS... Tornadoes can develop quickly from severe thunderstorms. Seek shelter immediately in an interior room on the lowest floor of a well-built structure. && LAT...LON 3780 12245 3781 12241 3779 12239 3783 12237 3781 12237 3781 12236 3778 12239 3776 12238 3775 12239 3772 12236 3773 12238 3772 12239 3771 12238 3771 12239 3769 12239 3762 12243 3761 12250 TIME...MOT...LOC 1019Z 206DEG 52KT 3772 12248 TORNADO...POSSIBLE THUNDERSTORM DAMAGE THREAT...CONSIDERABLE HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...<1.00 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...70 MPH $$ Behringer  026 WGUS76 KLOX 251047 FFSLOX Flash Flood Statement National Weather Service Los Angeles/Oxnard CA 247 AM PST Thu Dec 25 2025 CAC083-251057- /O.CAN.KLOX.FF.W.0054.000000T0000Z-251225T1400Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Santa Barbara CA- 247 AM PST Thu Dec 25 2025 ...FLASH FLOOD WARNING IS CANCELLED FOR SOUTHEASTERN SANTA BARBARA COUNTY... The heavy rain has moved out of southeast Santa Barbara County, however, heavy rain is still possible through this evening. Please continue to heed remaining road closures, and keep in mind that rockslides and mudslides can occur many days after the rain has ended. A Flood Watch remains in effect until 400 PM PST Friday for southwest California. && LAT...LON 3438 11950 3438 11948 3440 11945 3441 11945 3442 11945 3443 11945 3444 11944 3459 11944 3456 11927 3430 11941 3436 11948 $$ CAC111-251400- /O.CON.KLOX.FF.W.0054.000000T0000Z-251225T1400Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Ventura CA- 247 AM PST Thu Dec 25 2025 ...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 6 AM PST EARLY THIS MORNING FOR WEST CENTRAL VENTURA COUNTY... At 247 AM PST, Doppler radar and automated rain gauges indicated heavy rain training over the warned area. Flash flooding is ongoing or expected to begin shortly. Rain rates of up to 0.50 inches per hour have been observed. HAZARD...Flash flooding caused by heavy rain. SOURCE...Radar and automated gauges. IMPACT...Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas. Rockslides and mudslides possible. Some locations that will experience flash flooding include... La Conchita, Rincon Point and Lake Casitas. PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be especially cautious at night when it is harder to recognize the dangers of flooding. In hilly terrain there are hundreds of low water crossings which are potentially dangerous in heavy rain. Do not attempt to cross flooded roads. Find an alternate route. && LAT...LON 3438 11950 3438 11948 3440 11945 3441 11945 3442 11945 3443 11945 3444 11944 3459 11944 3456 11927 3430 11941 3436 11948 FLASH FLOOD...RADAR AND GAUGE INDICATED $$ Lund/Rorke  243 WUUS56 KMTR 251048 SVRMTR CAC081-087-251115- /O.NEW.KMTR.SV.W.0021.251225T1048Z-251225T1115Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service San Francisco CA 248 AM PST Thu Dec 25 2025 The National Weather Service in San Francisco has issued a * Severe Thunderstorm Warning for... Southeastern San Mateo County in northern California... Northwestern Santa Cruz County in northern California... * Until 315 AM PST. * At 248 AM PST, a severe thunderstorm was located 10 miles southwest of Boulder Creek, or 14 miles west of Santa Cruz, moving northeast at 50 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... Boulder Creek. PRECAUTIONARY/PREPAREDNESS ACTIONS... Tornadoes can develop quickly from severe thunderstorms. Seek shelter immediately in an interior room on the lowest floor of a well-built structure. && LAT...LON 3712 12231 3729 12223 3724 12211 3723 12210 3723 12209 3721 12207 3721 12206 3720 12205 3698 12215 3703 12222 3706 12225 3708 12226 3708 12227 3710 12228 TIME...MOT...LOC 1048Z 202DEG 42KT 3705 12227 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 $$ Behringer  052 WWUS56 KMTR 251049 SVSMTR Severe Weather Statement National Weather Service San Francisco CA 249 AM PST Thu Dec 25 2025 CAC075-081-251059- /O.EXP.KMTR.SV.W.0020.000000T0000Z-251225T1045Z/ San Francisco CA-San Mateo CA- 249 AM PST Thu Dec 25 2025 ...SEVERE THUNDERSTORM WARNING HAS EXPIRED FOR EASTERN SAN FRANCISCO AND NORTHWESTERN SAN MATEO COUNTIES... The storm which prompted the warning has weakened below severe limits, and has exited the warned area. Therefore, the warning has been allowed to expire. However, gusty winds and heavy rain are still possible with this thunderstorm. To report severe weather, contact your nearest law enforcement agency. They will send your report to the National Weather Service office. && LAT...LON 3780 12245 3781 12241 3779 12239 3783 12237 3781 12237 3781 12236 3778 12239 3776 12238 3775 12239 3772 12236 3773 12238 3772 12239 3771 12238 3771 12239 3769 12239 3762 12243 3761 12250 TIME...MOT...LOC 1038Z 206DEG 52KT 3796 12233 $$ Behringer  313 WGUS56 KMTR 251056 FFWMTR CAC075-081-251400- /O.NEW.KMTR.FF.W.0006.251225T1056Z-251225T1400Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED Flash Flood Warning National Weather Service San Francisco CA 256 AM PST Thu Dec 25 2025 The National Weather Service in San Francisco has issued a * Flash Flood Warning for... San Francisco County in northern California... Northwestern San Mateo County in northern California... * Until 600 AM PST. * At 256 AM PST, The public reported heavy rain and flooding across the warned area. Between 0.5 and 1 inch of rain has fallen. Flash flooding is already occurring. HAZARD...Life threatening flash flooding. Heavy rain producing flash flooding. SOURCE...Public reported. IMPACT...Life threatening flash flooding of creeks and streams, urban areas, highways, streets and underpasses. * Some locations that will experience flash flooding include... San Francisco, Daly City, South San Francisco, San Bruno, Pacifica, Millbrae, Brisbane, Colma and Broadmoor. PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be especially cautious at night when it is harder to recognize the dangers of flooding. Be aware of your surroundings and do not drive on flooded roads. && LAT...LON 3781 12248 3781 12241 3777 12238 3775 12239 3772 12236 3772 12239 3767 12238 3766 12240 3766 12237 3763 12240 3762 12236 3757 12244 3759 12250 3778 12251 FLASH FLOOD...OBSERVED FLASH FLOOD DAMAGE THREAT...CONSIDERABLE $$ KR