Alert archive / California / Winter Storm Warnings in 2023
Winter Storm Warning 3, NWS Los Angeles, CA
NWS Los Angeles, CA issued this winter storm warning at Feb 27, 2023, 1:45 PM PST for Santa Barbara County, California. It took effect at Feb 28, 2023, 1:00 PM PST. It was in force for 31 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
- Feb 27, 2023, 1:45 PM PST (21:45 UTC)
- In effect from
- Feb 28, 2023, 1:00 PM PST
- Expired
- Mar 1, 2023, 8:06 PM PST
- In force
- 31 hr
- Issued by
- NWS Los Angeles, CA
County Santa Barbara County, CA
The radar
The Vandenberg AFB radar (KVBX), 47 km from the middle of the area, began a volume at 21:45 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 12:00Z, 9.8 hours before the alert went out and 326 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1097 m above ground
- 0-6 km bulk shear
- 70 kt
- 0-1 km storm-relative helicity
- -53 m²/s²
- 0-3 km storm-relative helicity
- 14 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this winter storm 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 winter storm warning went out at Feb 27, 10:52 AM PST, 2 hours 53 minutes earlier.
Area forecast discussion, Feb 27, 10:52 AM PST, 2 hours 53 minutes before
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</html>The office that day
Everything else NWS Los Angeles, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 26, 9:39 PM PST | Small Craft Advisory | LOX | 56 hr | |
| Feb 26, 10:06 PM PST | Winter Storm Watch | LOX | Santa Barbara | 16 hr |
| Feb 27, 2:50 AM PST | Wind Advisory | LOX | San Luis Obispo | 19 hr |
| Feb 27, 3:05 AM PST | Gale Watch | LOX | 27 hr | |
| Feb 27, 1:41 PM PST | High Surf Advisory | LOX | Los Angeles, San Luis Obispo, Santa Barbara, Ventura | 64 hr |
| Feb 27, 1:47 PM PST | High Wind Warning | LOX | 22 hr |
Nearby
Winter Storm Warnings in California, 2023Every winter storm warning in 2023
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.