Alert archive / California / Flash Flood Warnings in 2025
Flash Flood Warning 1, NWS Los Angeles, CA
NWS Los Angeles, CA issued this flash flood warning at Jan 26, 2025, 7:40 PM PST for Los Angeles County, California. It was in force for 2 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jan 26, 2025, 7:40 PM PST (03:40 UTC)
- Expired
- Jan 26, 2025, 9:56 PM PST
- In force
- 2 hr
- Issued by
- NWS Los Angeles, CA
- Area
- Storm-based polygon
- Flood severity
- None
County Los Angeles County, CA
The radar
The Santa Ana Mts radar (KSOX), 71 km from the middle of the area, began a volume at 03:44 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
San Diego, CA (KNKX), launched 00:00Z, 3.7 hours before the alert went out and 184 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.
- Mixed-layer CAPE
- 1 J/kg
- Mixed-layer CIN
- -57 J/kg
- Mixed-layer LCL
- 1324 m above ground
- 0-6 km bulk shear
- 84 kt
- 0-1 km storm-relative helicity
- -3 m²/s²
- 0-3 km storm-relative helicity
- 39 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The office that day
Everything else NWS Los Angeles, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 26, 5:33 PM PST | Areal Flood Advisory | LOX | Los Angeles | 3 hr |
| Jan 26, 5:59 PM PST | Areal Flood Advisory | LOX | Santa Barbara | 5 hr |
| Jan 26, 6:19 PM PST | Areal Flood Advisory | LOX | Los Angeles, Ventura | 3 hr |
| Jan 26, 6:21 PM PST | Special Marine Warning | LOX | 84 min | |
| Jan 26, 6:31 PM PST | Areal Flood Advisory | LOX | Ventura | 3 hr |
| Jan 26, 7:18 PM PST | Special Weather Statement | LOX | Los Angeles | 87 min |
| Jan 26, 7:53 PM PST | Special Marine Warning | LOX | 112 min | |
| Jan 26, 8:08 PM PST | Special Marine Warning | LOX | 112 min | |
| Jan 26, 8:24 PM PST | Areal Flood Advisory | LOX | Ventura | 4 hr |
| Jan 26, 8:32 PM PST | Areal Flood Advisory | LOX | Los Angeles | 4 hr |
| Jan 26, 9:55 PM PST | Areal Flood Advisory | LOX | Los Angeles, Ventura | 2 hr |
| Jan 26, 10:21 PM PST | Special Marine Warning | LOX | 24 min | |
| Jan 26, 10:53 PM PST | Areal Flood Advisory | LOX | Los Angeles | 2 hr |
| Jan 26, 10:53 PM PST | Special Marine Warning | LOX | 49 min | |
| Jan 26, 11:08 PM PST | Special Marine Warning | LOX | 37 min | |
| Jan 26, 11:39 PM PST | Special Marine Warning | LOX | 36 min | |
| Jan 27, 12:31 AM PST | Areal Flood Advisory | LOX | Los Angeles | 3 hr |
| Jan 27, 1:52 AM PST | Areal Flood Advisory | LOX | Los Angeles | 2 hr |
| Jan 27, 1:57 AM PST | Areal Flood Advisory | LOX | Los Angeles, Ventura | 2 hr |
| Jan 27, 2:44 AM PST | Special Marine Warning | LOX | 61 min | |
| Jan 27, 3:03 AM PST | Special Marine Warning | LOX | 42 min | |
| Jan 27, 3:15 AM PST | Frost Advisory | LOX | Los Angeles, San Luis Obispo, Santa Barbara, Ventura | 30 hr |
| Jan 27, 3:15 AM PST | Freeze Warning | LOX | Los Angeles, Santa Barbara, Ventura | 30 hr |
| Jan 27, 3:38 AM PST | Special Marine Warning | LOX | 37 min | |
| Jan 27, 3:51 AM PST | Special Marine Warning | LOX | 114 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.