Alert archive / California / High Wind Warnings in 2025

High Wind Warning 15, NWS Los Angeles, CA

December 22, 20254 counties in California

NWS Los Angeles, CA issued this high wind warning at Dec 22, 2025, 6:09 PM PST for 4 counties in California. It took effect at Dec 23, 2025, 12:00 PM PST. It was in force for 51 hr. 60 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Dec 22, 2025, 6:09 PM PST (02:09 UTC)
In effect from
Dec 23, 2025, 12:00 PM PST
Expired
Dec 25, 2025, 3:00 PM PST
In force
51 hr
Issued by
NWS Los Angeles, CA

Counties Los Angeles County, CA, San Luis Obispo County, CA, Santa Barbara County, CA, Ventura County, CA

The radar

The Los Angeles radar (KVTX), 35 km from the middle of the area, began a volume at 02:11 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What was reported inside it

TimeReportWhereRemark
Dec 24, 4:00 AM PSTNON-TSTM WND DMG1 Sw Santa Paula, CASocial media report received of a tree down blocking a portion of CA 126 east of the Peck Road offramp. Time estimated.
Dec 24, 4:45 AM PSTFLASH FLOOD3 Sw Beverly Hills, CAInterstate 5 HOV and #1 lane heavily flooded.
Dec 24, 5:13 AM PSTFLASH FLOOD4 Sse San Fernando, CAFlooding on Interstate 5 with waters rising and cars stranded. One stuck vehicle (sedan) water up to their doors.
Dec 24, 5:29 AM PSTFLASH FLOOD4 Nw Burbank, CAAll lanes on Interstate 5 flooded except for the HOV lane.
Dec 24, 5:45 AM PSTTSTM WND DMGWoodland Hills, CAA downed tree blocked two right lanes of the Eastbound US-101 (Ventura Freeway) at De Soto Avenue in the West San Fernando Valley.
Dec 24, 5:45 AM PSTNON-TSTM WND GST 656 Sw Thousand Oaks, CASandstone Peak.
Dec 24, 5:49 AM PSTFLASH FLOOD3 Sw Beverly Hills, CA1 and 2 Lanes Interstate 405 completely flooded.
Dec 24, 6:10 AM PSTNON-TSTM WND GST 988 S Agua Dulce, CASCE Magic Mountain Truck Trail.
Dec 24, 6:25 AM PSTTSTM WND GST 663 W Camarillo, CACamarillo Airport.
Dec 24, 6:25 AM PSTTSTM WND GST 663 W Camarillo, CACorrects previous tstm wnd gst report from 3 W Camarillo. Camarillo Airport Associated with shallow convective line segment.
Dec 24, 6:25 AM PSTDEBRIS FLOW2 S Agua Dulce, CALarge rocks coming onto highway 14 blocking lanes.
Dec 24, 6:32 AM PSTFLASH FLOOD4 Wnw San Fernando, CANorthbound I5 at the I210 truck bypass both lanes are flooded.
Dec 24, 6:35 AM PSTTSTM WND GST 66Ventura, CACorrects previous tstm wnd gst report from Ventura. Ventura Harbor Dept Associated with shallow convective line segment.
Dec 24, 6:35 AM PSTTSTM WND GST 66Ventura, CAVentura Harbor Dept.
Dec 24, 6:41 AM PSTDEBRIS FLOW7 Wnw Miranda Pine Moun, CAHeavy Flooding And Debris Flow on State Route 166 - mud blocking both lanes.
Dec 24, 6:50 AM PSTTSTM WND DMG1 Wnw Camarillo, CA12-18-inch tree down reported by off-duty NWS employee.
Dec 24, 6:50 AM PSTTSTM WND DMG1 Wnw Camarillo, CACorrects previous tstm wnd dmg report from 1 WNW Camarillo. 12-18-inch tree down reported by off-duty NWS employee. Associated with shallow convective line segment.
Dec 24, 6:50 AM PSTTSTM WND DMG2 Ene Camarillo, CAAt least 5 trees downed in conjunction with shallow convective line segments, reported by NWS employee. Trees appeared to have fallen in the same direction. This was in Mission Oaks Park.
Dec 24, 6:50 AM PSTTSTM WND GST 624 W Thousand Oaks, CACorrects previous tstm wnd gst report from 4 W Thousand Oaks. SCE N Wendy Drive Associated with shallow convective line segment.
Dec 24, 6:50 AM PSTTSTM WND GST 624 W Thousand Oaks, CASCE N Wendy Drive.
Dec 24, 6:50 AM PSTTSTM WND GST 693 Ne Camarillo, CACorrects previous tstm wnd gst report from 3 NE Camarillo. SCE Las Posas Hills Associated with shallow convective line segment.
Dec 24, 6:50 AM PSTTSTM WND GST 693 Ne Camarillo, CASCE Las Posas Hills.
Dec 24, 6:50 AM PSTTSTM WND GST 813 S Piru, CACorrects previous tstm wnd gst report from 3 S Piru. SCE Oakridge Oil Field Associated with shallow convective line segment.
Dec 24, 6:50 AM PSTTSTM WND GST 813 S Piru, CASCE Oakridge Oil Field.
Dec 24, 6:53 AM PSTNON-TSTM WND GST 908 Nne Mount Wilson, CAChilao RAWS.
Dec 24, 7:04 AM PSTFLASH FLOOD4 Nw Burbank, CAFlooding across nearly all lanes of Interstate 5 - vehicle stuck in the flooding - traffic diverted.
Dec 24, 7:09 AM PSTTSTM WND GST 685 Ne Point Mugu, CACorrects previous tstm wnd gst report from 5 NE Point Mugu. Miller Ranch RAWS Associated with shallow convective line segment.
Dec 24, 7:09 AM PSTTSTM WND GST 685 Ne Point Mugu, CAMiller Ranch RAWS.
Dec 24, 7:09 AM PSTTSTM WND GST 704 Se Moorpark, CACorrects previous tstm wnd gst report from 4 SE Moorpark. VNC Portable 1 RAWS Associated with shallow convective line segment.
Dec 24, 7:09 AM PSTTSTM WND GST 704 Se Moorpark, CAVNC Portable 1 RAWS.
Dec 24, 7:10 AM PSTTSTM WND GST 672 E Simi Valley, CACorrects previous tstm wnd gst report from 2 E Simi Valley. SCE Cochran St Associated with shallow convective line segment.
Dec 24, 7:10 AM PSTTSTM WND GST 672 E Simi Valley, CASCE Cochran St.
Dec 24, 7:10 AM PSTTSTM WND GST 675 Wsw Westlake Village, CACorrects previous tstm wnd gst report from 5 WSW Westlake Village. SCE Yerba Buena Road Associated with shallow convective line segment.
Dec 24, 7:10 AM PSTTSTM WND GST 675 Wsw Westlake Village, CASCE Yerba Buena Road.
Dec 24, 7:10 AM PSTTSTM WND GST 702 Sse Moorpark, CACorrects previous tstm wnd gst report from 2 SSE Moorpark. SCE Keisha Dr Associated with shallow convective line segment.
Dec 24, 7:10 AM PSTTSTM WND GST 702 Sse Moorpark, CASCE Keisha Dr.
Dec 24, 7:10 AM PSTTSTM WND GST 734 Sse Simi Valley, CACorrects previous tstm wnd gst report from 4 SSE Simi Valley. SCE Lone Oak Canyon Associated with shallow convective line segment.
Dec 24, 7:10 AM PSTTSTM WND GST 734 Sse Simi Valley, CASCE Lone Oak Canyon.
Dec 24, 7:20 AM PSTTSTM WND GST 663 Sse Lake Piru, CACorrects previous tstm wnd gst report from 3 SSE Lake Piru. SCE Tank Farm Road Associated with shallow convective line segment.
Dec 24, 7:20 AM PSTTSTM WND GST 663 Sse Lake Piru, CASCE Tank Farm Road.
Dec 24, 7:22 AM PSTTSTM WND DMG2 Se Thousand Oaks, CAA post on X mentioned 59 mph wind gusts and power outages in portions of Thousand Oaks.
Dec 24, 7:23 AM PSTDEBRIS FLOW1 N Pyramid Lake, CAMud and debris flow Smokey Bear Road. Vehicle stuck in mud.
Dec 24, 7:30 AM PSTTSTM WND GST 824 Ene Thousand Oaks, CACorrects previous tstm wnd gst report from 4 ENE Thousand Oaks. SCE North Ranch Associated with shallow convective line segment.
Dec 24, 7:30 AM PSTTSTM WND GST 824 Ene Thousand Oaks, CASCE North Ranch.
Dec 24, 7:38 AM PSTTSTM WND GST 663 Ne Agoura Hills, CACheeseboro RAWS.
Dec 24, 7:38 AM PSTTSTM WND GST 663 Ne Agoura Hills, CACorrects previous tstm wnd gst report from 3 NE Agoura Hills. Cheeseboro RAWS Associated with shallow convective line segment.
Dec 24, 7:48 AM PSTTSTM WND DMG4 Ene Camarillo, CACorrects previous tstm wnd dmg report from 4 ENE Camarillo. Tree and wires down blocking lanes on Worth Way Associated with shallow convective line segment.
Dec 24, 7:48 AM PSTTSTM WND DMG4 Ene Camarillo, CATree and wires down blocking lanes on Worth Way.
Dec 24, 7:57 AM PSTTSTM WND GST 766 Ssw Castaic Lake, CACorrects previous tstm wnd gst report from 6 SSW Castaic Lake. Whitaker Peak RAWS Associated with shallow convective line segment.
Dec 24, 7:57 AM PSTTSTM WND GST 766 Ssw Castaic Lake, CAWhitaker Peak RAWS.
Dec 24, 8:00 AM PSTFLASH FLOOD3 Wnw Carpinteria, CAFlooding is reported on Padaro Lane in Carpinteria. Time is coarsely estimated as news article did not state the time.
Dec 24, 8:01 AM PSTTSTM WND DMG5 S Santa Paula, CACorrects previous tstm wnd dmg report from 5 S Santa Paula. Tree down blocking lanes W La Loma Ave / Walnut Ave Associated with shallow convective line segment.
Dec 24, 8:01 AM PSTTSTM WND DMG5 S Santa Paula, CATree down blocking lanes W La Loma Ave / Walnut Ave.
Dec 24, 8:03 AM PSTNON-TSTM WND DMG3 Nne West Covina, CASocial media report received of a tree downed in Covina.
Dec 24, 8:21 AM PSTTSTM WND DMG2 Ssw Llano, CAPower lines are down. Nearby sensor reported wind gusts to 62 mph.
Dec 24, 8:23 AM PSTFLASH FLOOD3 Sw Acton, CAReport of a pickup truck stranded on a flooded roadway near the intersection of Bootlegger Canyon Road and Heffner Road.
Dec 24, 9:27 AM PSTFLASH FLOOD4 Ene Torrance, CARoadway Flooding reported on NB I-110 just north of I-405 (Carson area). The left lane is completely flooded per CHP.
Dec 24, 9:29 AM PSTFLASH FLOOD6 W Lake Los Angeles, CALocal officials reported Avenue O closed from 110th Street East to 140th Street East due to flooding.
Dec 24, 9:33 AM PSTFLASH FLOOD2 Ese Camarillo, CAConnejo Creek at Ridge View Street rapid rise and now flooding.
Dec 24, 9:37 AM PSTTSTM WND DMG5 Ssw Pearblossom, CAA tree is blocking the Southbound lane of Juniper Hills Rd just south of 116th St E.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Vandenberg AFB, CA (KVBG), launched 00:00Z, 2.2 hours before the alert went out and 95 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Vandenberg AFB, CA at 00:00Z on 2025-12-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Vandenberg AFB, CA at 00:00Z on 2025-12-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 228 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1167 m above ground
0-6 km bulk shear
61 kt
0-1 km storm-relative helicity
228 m²/s²
0-3 km storm-relative helicity
270 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this high wind warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Los Angeles, CA wrote its last area forecast discussion before this high wind warning went out at Dec 22, 1:31 PM PST, 4 hours 38 minutes earlier.

Area forecast discussion, Dec 22, 1:31 PM PST, 4 hours 38 minutes before
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The office that day

Everything else NWS Los Angeles, CA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Dec 22, 6:09 PM PSTWind AdvisoryLOXLos Angeles, Ventura69 hr
Dec 23, 1:11 AM PSTGale WarningLOX56 hr
Dec 23, 1:11 AM PSTStorm WarningLOX19 hr

Nearby

High Wind Warnings in California, 2025Every high wind warning in 2025

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.