Alert archive / California / Wind Advisories in 2021

Wind Advisory 41, NWS Hanford, CA

September 18, 2021Kern County, California

NWS Hanford, CA issued this wind advisory at Sep 18, 2021, 4:23 PM PDT for Kern County, California. It took effect at Sep 19, 2021, 12:00 PM PDT. It was in force for 10 hr.

The area

The counties it named.

The facts

Issued
Sep 18, 2021, 4:23 PM PDT (23:23 UTC)
In effect from
Sep 19, 2021, 12:00 PM PDT
Expired
Sep 19, 2021, 10:00 PM PDT
In force
10 hr
Issued by
NWS Hanford, CA

County Kern County, CA

The radar

The Edwards AFB radar (KEYX), 110 km from the middle of the area, began a volume at 23:28 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, 11.4 hours before the alert went out and 175 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 2021-09-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Vandenberg AFB, CA at 12:00Z on 2021-09-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -72 square meters per square second.193958Sfc1 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
587 m above ground
0-6 km bulk shear
19 kt
0-1 km storm-relative helicity
-72 m²/s²
0-3 km storm-relative helicity
8 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

473 
WWUS76 KHNX 182323
NPWHNX

URGENT - WEATHER MESSAGE
National Weather Service Hanford CA
423 PM PDT Sat Sep 18 2021

CAZ338-190730-
/O.NEW.KHNX.WI.Y.0041.210919T1900Z-210920T0500Z/
Mojave Desert Slopes-
Including the city of Mojave
423 PM PDT Sat Sep 18 2021

...WIND ADVISORY IN EFFECT FROM NOON TO 10 PM PDT SUNDAY...

* WHAT...Northwest winds 25 to 35 mph with gusts up to 50 mph 
  expected.

* WHERE...Mojave Desert Slopes. This includes the Highway 58 and
  14 corridors in and near Mojave and Inyokern.

* WHEN...From noon to 10 PM PDT Sunday.

* IMPACTS...Gusty winds could blow around unsecured objects. 
  Tree limbs could be blown down and a few power outages may 
  result.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

&&

$$
Dudley
4 follow-up statements
942 
WWUS76 KHNX 190708
NPWHNX

URGENT - WEATHER MESSAGE
National Weather Service Hanford CA
1208 AM PDT Sun Sep 19 2021

CAZ338-191600-
/O.CON.KHNX.WI.Y.0041.210919T1900Z-210920T0500Z/
Mojave Desert Slopes-
Including the city of Mojave
1208 AM PDT Sun Sep 19 2021

...WIND ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO 10 PM PDT
THIS EVENING...

* WHAT...Northwest winds 25 to 35 mph with gusts up to 50 mph 
  expected.

* WHERE...Mojave Desert Slopes. This includes the Highway 58 and 
  14 corridors in and near Mojave and Inyokern.

* WHEN...From noon to 10 PM PDT Sunday.

* IMPACTS...Gusty winds could blow around unsecured objects. 
  Tree limbs could be blown down and a few power outages may 
  result.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

&&

$$
685 
WWUS76 KHNX 191544
NPWHNX

URGENT - WEATHER MESSAGE
National Weather Service Hanford CA
844 AM PDT Sun Sep 19 2021

CAZ338-200000-
/O.CON.KHNX.WI.Y.0041.210919T1900Z-210920T0500Z/
Mojave Desert Slopes-
Including the city of Mojave
844 AM PDT Sun Sep 19 2021

...A WIND ADVISORY REMAINS IN EFFECT FROM 12 PM PDT THIS AFTERNOON
UNTIL 10 PM PDT TONIGHT...

* WHAT...Sustained west to northwest winds 25 to 35 mph, with
  gusts near 55 mph expected.

* WHERE...Mojave Desert Slopes. This includes the Highway 58 and 
  14 corridors in and near Mojave and Inyokern.

* WHEN...From 12 PM PDT this afternoon until 10 PM PDT tonight. 

* IMPACTS...Gusty winds could blow around unsecured objects. Tree
  limbs may be blown down. A few power outages are possible.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

&&

$$
BS
618 
WWUS76 KHNX 192331
NPWHNX

URGENT - WEATHER MESSAGE
National Weather Service Hanford CA
431 PM PDT Sun Sep 19 2021

CAZ338-200500-
/O.CON.KHNX.WI.Y.0041.000000T0000Z-210920T0500Z/
Mojave Desert Slopes-
Including the city of Mojave
431 PM PDT Sun Sep 19 2021

...WIND ADVISORY REMAINS IN EFFECT UNTIL 10 PM PDT THIS EVENING...

* WHAT...Sustained west to northwest winds 25 to 35 mph, with 
  gusts near 55 mph expected.

* WHERE...Mojave Desert Slopes. This includes the Highway 58 and 
  14 corridors in and near Mojave and Inyokern.

* WHEN...Until 10 PM PDT tonight.

* IMPACTS...Gusty winds could blow around unsecured objects. 
  Tree limbs may be blown down. A few power outages are possible.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

&&

$$
083 
WWUS76 KHNX 200448
NPWHNX

URGENT - WEATHER MESSAGE
National Weather Service Hanford CA
948 PM PDT Sun Sep 19 2021

CAZ338-200600-
/O.EXP.KHNX.WI.Y.0041.000000T0000Z-210920T0500Z/
Mojave Desert Slopes-
Including the city of Mojave
948 PM PDT Sun Sep 19 2021

...WIND ADVISORY WILL EXPIRE AT 10 PM PDT THIS EVENING...

The Wind Advisory will be allowed to expire at 10 PM this evening,
as winds have mainly decreased. Although, a few locales may 
report gusts around 45 mph for the next one or two hours.

$$

Nearby

Wind Advisories in California, 2021Every wind advisory 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.