Alert archive / California / High Wind Warnings in 2021

High Wind Warning 7, NWS Los Angeles, CA

January 28, 2021

NWS Los Angeles, CA issued this high wind warning at Jan 28, 2021, 7:38 PM PST. It was in force for 72 min. 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 28, 2021, 7:38 PM PST (03:38 UTC)
Expired
Jan 28, 2021, 8:50 PM PST
In force
72 min
Issued by
NWS Los Angeles, CA

The text

As transmitted.

682 
WWUS76 KLOX 290338
NPWLOX

URGENT - WEATHER MESSAGE
National Weather Service Los Angeles/Oxnard CA
738 PM PST Thu Jan 28 2021

CAZ059-290800-
/O.UPG.KLOX.WI.Y.0016.000000T0000Z-210129T1200Z/
/O.NEW.KLOX.HW.W.0007.210129T0338Z-210129T0800Z/
Antelope Valley-
Including the cities of Lancaster and Palmdale
738 PM PST Thu Jan 28 2021

...HIGH WIND WARNING IN EFFECT UNTIL MIDNIGHT PST TONIGHT...

* WHAT...South winds 30 to 45 mph with gusts up to 75 mph.

* WHERE...Antelope Valley.

* WHEN...Until midnight PST tonight.

* IMPACTS...Damaging winds will blow down large objects such as 
  trees and power lines. Power outages are expected. Travel will 
  be difficult, especially for high profile vehicles.

* ADDITIONAL DETAILS...A mountain wave has set up over the San
  Gabriel Mountains causing very strong winds to occur across the
  adjacent foothills in the Antelope Valley. Strongest winds will
  be between and Llano especially for areas South of Highway 138.
  A NWS spotter reported gusts up to 80 mph near Pearblossom with
  blowing dust and small rocks. Winds should lower overnight.
  

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Areas of blowing dust and small debris can suddenly and 
dangerously reduce visibilities to near zero. Use caution if you 
must drive. This includes Highways 14 and 138, especially near the
foothills.

&&

$$

Kaplan/Phillips
1 follow-up statement
060 
WWUS76 KLOX 290450
NPWLOX

URGENT - WEATHER MESSAGE
National Weather Service Los Angeles/Oxnard CA
850 PM PST Thu Jan 28 2021

CAZ059-290600-
/O.CAN.KLOX.HW.W.0007.000000T0000Z-210129T0800Z/
Antelope Valley-
Including the cities of Lancaster and Palmdale
850 PM PST Thu Jan 28 2021

...HIGH WIND WARNING IS CANCELLED...

The mountain wave that brought very strong winds across the
Antelope Valley foothills has diminished. Therefore the High Wind
Warning has been cancelled. Gusty southerly winds to 40 mph will
continue through this evening.

$$

Kaplan

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 28, 4:42 PM PSTAreal Flood AdvisoryLOXVentura6 hr
Jan 28, 6:20 PM PSTWind AdvisoryLOX78 min
Jan 28, 6:41 PM PSTAreal Flood AdvisoryLOXLos Angeles4 hr
Jan 28, 8:11 PM PSTAreal Flood AdvisoryLOXLos Angeles5 hr
Jan 29, 11:45 AM PSTSpecial Marine WarningLOX45 min

Nearby

High Wind Warnings in California, 2021Every high wind warning in 2021

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text.