Alert archive / California / Wind Advisories in 2019

Wind Advisory 11, NWS Los Angeles, CA

February 1, 2019Los Angeles County, California

NWS Los Angeles, CA issued this wind advisory at Feb 1, 2019, 2:17 PM PST for Los Angeles County, California. It took effect at Feb 2, 2019, 6:00 AM PST. It was in force for 9 hr.

The area

The counties it named.

The facts

Issued
Feb 1, 2019, 2:17 PM PST (22:17 UTC)
In effect from
Feb 2, 2019, 6:00 AM PST
Expired
Feb 2, 2019, 3:05 PM PST
In force
9 hr
Issued by
NWS Los Angeles, CA

County Los Angeles County, CA

The nearest sounding before it

San Diego, CA (KNKX), launched 12:00Z, 10.3 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.

Skew-T log-pSkew-T log-p diagram, San Diego, CA at 12:00Z on 2019-02-01Temperature 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, San Diego, CA at 12:00Z on 2019-02-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -28 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
528 m above ground
0-6 km bulk shear
50 kt
0-1 km storm-relative helicity
-28 m²/s²
0-3 km storm-relative helicity
7 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this wind advisory 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 wind advisory went out at Feb 1, 2:09 PM PST, 8 minutes earlier.

Area forecast discussion, Feb 1, 2:09 PM PST, 8 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Jan 31, 8:44 PM PSTFlash Flood WatchLOXLos Angeles55 hr
Feb 1, 3:24 AM PSTStorm WatchLOX11 hr
Feb 1, 3:24 AM PSTStorm WarningLOX29 hr
Feb 1, 3:37 AM PSTBeach Hazards StatementLOXLos Angeles10 hr
Feb 1, 3:37 AM PSTHigh Surf AdvisoryLOXLos Angeles3 days
Feb 1, 5:32 AM PSTWinter Storm WarningLOX5 days
Feb 1, 5:59 AM PSTHigh Wind WarningLOXLos Angeles, Santa Barbara36 hr
Feb 1, 1:51 PM PSTCoastal Flood AdvisoryLOXLos Angeles45 hr
Feb 1, 2:30 PM PSTGale WarningLOX37 hr
Feb 1, 3:11 PM PSTFlood WatchLOX24 hr

Nearby

Wind Advisories in California, 2019Every wind advisory in 2019

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.