Alert archive / California / Flash Flood Warnings in 2025

Flash Flood Warning 21, NWS Los Angeles, CA

October 14, 2025San Luis Obispo County, Santa Barbara County, California

NWS Los Angeles, CA issued this flash flood warning at Oct 14, 2025, 1:01 AM PDT for San Luis Obispo County, Santa Barbara County, California. It was in force for 4 hr. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Oct 14, 2025, 1:01 AM PDT (08:01 UTC)
Expired
Oct 14, 2025, 5:00 AM PDT
In force
4 hr
Issued by
NWS Los Angeles, CA
Area
Storm-based polygon
Flood severity
None

Counties San Luis Obispo County, CA, Santa Barbara County, CA

The radar

The Vandenberg AFB radar (KVBX), 21 km from the middle of the area, began a volume at 08:02 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.

The nearest sounding before it

Vandenberg AFB, CA (KVBG), launched 00:00Z, 8.0 hours before the alert went out and 14 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 2025-10-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3 joules per kilogram.LCLLFCEL10008507005003002001001 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 2025-10-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 42 square meters per square second.19395878Sfc1 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
3 J/kg
Mixed-layer CIN
-41 J/kg
Mixed-layer LCL
850 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
42 m²/s²
0-3 km storm-relative helicity
54 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

817 
WGUS56 KLOX 140801
FFWLOX
CAC079-083-141200-
/O.NEW.KLOX.FF.W.0021.251014T0801Z-251014T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Los Angeles/Oxnard CA
101 AM PDT Tue Oct 14 2025

The National Weather Service in Los Angeles/Oxnard has issued a

* Flash Flood Warning for...
  South Central San Luis Obispo County in southwestern California...
  Northwestern Santa Barbara County in southwestern California...

* Until 500 AM PDT.

* At 101 AM PDT, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. The expected rainfall rate is 
  0.2 to 0.4 inches in 15 minutes. Additional rainfall amounts of 1 
  to 2 inches are possible in the warned area. Flash flooding is 
  ongoing or expected to begin shortly.

  HAZARD...Flash flooding caused by thunderstorms. Rock slides
           and mudslides.

  SOURCE...Radar.

  IMPACT...Flash flooding of small creeks and streams, urban
           areas, highways, streets and underpasses as well as
           other poor drainage and low-lying areas.

* Some locations that will experience flash flooding include...
  Santa Maria, Lompoc, Nipomo, Vandenberg Space Force Base, Orcutt, 
  Los Alamos, Guadalupe, Sisquoc, Vandenberg Village and Mission 
  Hills.

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.

Stay away or be swept away. River banks and culverts can become 
unstable and unsafe.

&&

LAT...LON 3466 12070 3469 12069 3472 12072 3478 12072
      3483 12070 3484 12072 3499 12073 3502 12072
      3502 12021 3476 12016 3464 12071

FLASH FLOOD...RADAR INDICATED
EXPECTED RAINFALL RATE...0.2-0.4 INCHES IN 15 MINUTES

$$

Cohen/Schoenfeld

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 13, 10:14 PM PDTAreal Flood AdvisoryLOXSan Luis Obispo, Santa Barbara5 hr
Oct 13, 10:14 PM PDTSpecial Marine WarningLOX2 hr
Oct 13, 10:15 PM PDTSpecial Weather StatementLOX30 min
Oct 13, 10:23 PM PDTSpecial Weather StatementLOXSan Luis Obispo22 min
Oct 13, 10:34 PM PDTSpecial Weather StatementLOXSan Luis Obispo41 min
Oct 13, 10:47 PM PDTSpecial Weather StatementLOXSan Luis Obispo28 min
Oct 13, 11:12 PM PDTSevere Thunderstorm WarningLOXSan Luis Obispo93 min
Oct 13, 11:15 PM PDTTornado WarningLOXSan Luis Obispo30 min
Oct 13, 11:21 PM PDTTornado WarningLOXSan Luis Obispo54 min
Oct 13, 11:54 PM PDTFlash Flood WarningLOXSan Luis Obispo4 hr
Oct 14, 12:18 AM PDTSpecial Marine WarningLOX117 min
Oct 14, 12:23 AM PDTSpecial Weather StatementLOXSanta Barbara97 min
Oct 14, 12:38 AM PDTSevere Thunderstorm WarningLOXSanta Barbara52 min
Oct 14, 1:21 AM PDTSpecial Weather StatementLOXSanta Barbara54 min
Oct 14, 1:27 AM PDTSpecial Marine WarningLOX93 min
Oct 14, 1:56 AM PDTSpecial Weather StatementLOXSanta Barbara34 min
Oct 14, 1:59 AM PDTSpecial Marine WarningLOX31 min
Oct 14, 2:00 AM PDTAreal Flood AdvisoryLOXVentura8 hr
Oct 14, 2:05 AM PDTSpecial Weather StatementLOXSanta Barbara25 min
Oct 14, 2:10 AM PDTSpecial Marine WarningLOX35 min
Oct 14, 2:20 AM PDTSpecial Weather StatementLOXSanta Barbara25 min
Oct 14, 2:30 AM PDTSpecial Marine WarningLOX45 min
Oct 14, 2:37 AM PDTSpecial Weather StatementLOX53 min
Oct 14, 2:38 AM PDTSpecial Weather StatementLOXSanta Barbara52 min
Oct 14, 2:58 AM PDTSpecial Marine WarningLOX62 min
Oct 14, 3:04 AM PDTSevere Thunderstorm WarningLOXSanta Barbara86 min
Oct 14, 3:06 AM PDTSpecial Marine WarningLOX84 min
Oct 14, 3:19 AM PDTFlash Flood WarningLOXSanta Barbara3 hr
Oct 14, 3:33 AM PDTSpecial Weather StatementLOXSanta Barbara57 min
Oct 14, 3:42 AM PDTSpecial Marine WarningLOX93 min
Oct 14, 3:58 AM PDTSpecial Marine WarningLOX92 min
Oct 14, 4:19 AM PDTSpecial Marine WarningLOX86 min
Oct 14, 4:26 AM PDTAreal Flood AdvisoryLOXSanta Barbara4 hr
Oct 14, 4:27 AM PDTSpecial Weather StatementLOXSanta Barbara63 min
Oct 14, 4:40 AM PDTAreal Flood AdvisoryLOXLos Angeles7 hr
Oct 14, 4:45 AM PDTSpecial Weather StatementLOX45 min
Oct 14, 5:01 AM PDTSpecial Marine WarningLOX89 min
Oct 14, 5:15 AM PDTSpecial Weather StatementLOXVentura60 min
Oct 14, 5:25 AM PDTSpecial Weather StatementLOXSanta Barbara50 min
Oct 14, 5:28 AM PDTSpecial Weather StatementLOXVentura47 min
Oct 14, 5:37 AM PDTSpecial Marine WarningLOX83 min
Oct 14, 5:39 AM PDTSpecial Weather StatementLOXLos Angeles66 min
Oct 14, 6:00 AM PDTSpecial Weather StatementLOXVentura60 min
Oct 14, 6:21 AM PDTAreal Flood AdvisoryLOXLos Angeles, Ventura6 hr
Oct 14, 6:25 AM PDTSpecial Weather StatementLOXVentura50 min
Oct 14, 6:35 AM PDTSpecial Marine WarningLOX85 min
Oct 14, 6:59 AM PDTSpecial Marine WarningLOX61 min
Oct 14, 7:04 AM PDTSpecial Weather StatementLOXVentura56 min
Oct 14, 7:15 AM PDTSpecial Weather StatementLOXVentura45 min
Oct 14, 7:41 AM PDTSpecial Weather StatementLOXVentura49 min
Oct 14, 7:49 AM PDTFlash Flood Warning Considerable damage threatLOXLos Angeles4 hr
Oct 14, 7:51 AM PDTSpecial Marine WarningLOX84 min
Oct 14, 8:04 AM PDTSevere Thunderstorm WarningLOXLos Angeles71 min
Oct 14, 8:54 AM PDTSpecial Weather StatementLOXLos Angeles66 min
Oct 14, 9:09 AM PDTSevere Thunderstorm WarningLOXLos Angeles83 min
Oct 14, 9:11 AM PDTAreal Flood AdvisoryLOXLos Angeles3 hr
Oct 14, 9:15 AM PDTSpecial Weather StatementLOXSanta Barbara45 min
Oct 14, 9:34 AM PDTSpecial Weather StatementLOXLos Angeles26 min
Oct 14, 9:35 AM PDTSpecial Weather StatementLOXSanta Barbara25 min
Oct 14, 9:38 AM PDTSpecial Marine WarningLOX50 min
Oct 14, 9:51 AM PDTSpecial Weather StatementLOXLos Angeles39 min
Oct 14, 9:53 AM PDTFlash Flood WarningLOXLos Angeles3 hr
Oct 14, 10:00 AM PDTSpecial Weather StatementLOXSanta Barbara45 min
Oct 14, 10:02 AM PDTAreal Flood AdvisoryLOXLos Angeles118 min
Oct 14, 10:19 AM PDTSpecial Marine WarningLOX56 min
Oct 14, 10:38 AM PDTSpecial Weather StatementLOXSanta Barbara37 min
Oct 14, 11:02 AM PDTWinter Weather AdvisoryLOXVentura3 hr
Oct 14, 11:28 AM PDTSpecial Marine WarningLOX17 min
Oct 14, 1:06 PM PDTSpecial Weather StatementLOXSan Luis Obispo39 min

Nearby

Flash Flood Warnings in California, 2025Every flash flood 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.