Alert archive / California / High Wind Warnings in 2022

High Wind Warning 24, NWS Los Angeles, CA

December 30, 2022San Luis Obispo County, Santa Barbara County, California

NWS Los Angeles, CA issued this high wind warning at Dec 30, 2022, 1:22 PM PST for San Luis Obispo County, Santa Barbara County, California. It took effect at Dec 31, 2022, 7:00 AM PST. It was in force for 20 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
Dec 30, 2022, 1:22 PM PST (21:22 UTC)
In effect from
Dec 31, 2022, 7:00 AM PST
Expired
Jan 1, 2023, 3:14 AM PST
In force
20 hr
Issued by
NWS Los Angeles, CA

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

The radar

The Vandenberg AFB radar (KVBX), 20 km from the middle of the area, began a volume at 21:25 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 12:00Z, 9.4 hours before the alert went out and 35 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 12:00Z on 2022-12-30Temperature 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 12:00Z on 2022-12-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 191 square meters per square second.1939587897117Sfc1 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
470 m above ground
0-6 km bulk shear
69 kt
0-1 km storm-relative helicity
191 m²/s²
0-3 km storm-relative helicity
238 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 30, 2:41 AM PSTHigh Wind WatchLOXSan Luis Obispo, Santa Barbara11 hr
Dec 30, 1:22 PM PSTWind AdvisoryLOXSan Luis Obispo, Santa Barbara32 hr
Dec 30, 1:46 PM PSTGale WarningLOX54 hr
Dec 30, 1:46 PM PSTSmall Craft AdvisoryLOX61 hr

Nearby

High Wind Warnings in California, 2022Every high wind warning in 2022

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.