Alert archive / California / Wind Advisories in 2023

Wind Advisory 6, NWS Los Angeles, CA

January 13, 2023San Luis Obispo County, Santa Barbara County, California

NWS Los Angeles, CA issued this wind advisory at Jan 13, 2023, 2:31 PM PST for San Luis Obispo County, Santa Barbara County, California. It took effect at Jan 14, 2023, 12:00 PM PST. It was in force for 9 hr.

The area

The counties it named.

The facts

Issued
Jan 13, 2023, 2:31 PM PST (22:31 UTC)
In effect from
Jan 14, 2023, 12:00 PM PST
Expired
Jan 14, 2023, 9:12 PM PST
In force
9 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 22:33 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

Oakland, CA (KOAK), launched 12:00Z, 10.5 hours before the alert went out and 354 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, Oakland, CA at 12:00Z on 2023-01-13Temperature 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, Oakland, CA at 12:00Z on 2023-01-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 107 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
1923 m above ground
0-6 km bulk shear
63 kt
0-1 km storm-relative helicity
107 m²/s²
0-3 km storm-relative helicity
237 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
Jan 12, 7:49 PM PSTHigh Wind WatchLOXSan Luis Obispo, Santa Barbara19 hr
Jan 12, 7:49 PM PSTWind AdvisoryLOXSan Luis Obispo, Santa Barbara14 hr
Jan 13, 2:30 PM PSTWinter Weather AdvisoryLOX4 days

Nearby

Wind Advisories in California, 2023Every wind advisory 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.