Alert archive / California / Wind Advisories in 2021

Wind Advisory 50, NWS Hanford, CA

December 31, 2021Kern County, California

NWS Hanford, CA issued this wind advisory at Dec 31, 2021, 3:39 PM PST for Kern County, California. It was in force for 9 hr.

The area

The counties it named.

The facts

Issued
Dec 31, 2021, 3:39 PM PST (23:39 UTC)
Expired
Jan 1, 2022, 1:00 AM PST
In force
9 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 23:45 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, 11.7 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 2021-12-31Temperature 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°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Vandenberg AFB, CA at 12:00Z on 2021-12-31The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 71 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
855 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
71 m²/s²
0-3 km storm-relative helicity
103 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

616 
WWUS76 KHNX 312339
NPWHNX

URGENT - WEATHER MESSAGE
National Weather Service Hanford CA
339 PM PST Fri Dec 31 2021

CAZ338-010700-
/O.NEW.KHNX.WI.Y.0050.211231T2339Z-220101T0700Z/
Mojave Desert Slopes-
Including the city of Mojave
339 PM PST Fri Dec 31 2021

...WIND ADVISORY IN EFFECT UNTIL 11 PM PST THIS EVENING...

* WHAT...West winds 30 to 40 mph with gusts up to 55 mph.

* WHERE...Mojave Desert Slopes.

* WHEN...Until 11 PM PST this evening.

* 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.

&&

$$

DS
2 follow-up statements
883 
WWUS76 KHNX 010635
NPWHNX

URGENT - WEATHER MESSAGE
National Weather Service Hanford CA
1035 PM PST Fri Dec 31 2021

CAZ338-010900-
/O.EXT.KHNX.WI.Y.0050.000000T0000Z-220101T0900Z/
Mojave Desert Slopes-
Including the city of Mojave
1035 PM PST Fri Dec 31 2021

...WIND ADVISORY NOW IN EFFECT UNTIL 1 AM PST SATURDAY...

* WHAT...West winds 30 to 40 mph with gusts up to 55 mph.

* WHERE...Mojave Desert Slopes.

* WHEN...Until 1 AM PST Saturday.

* 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.

&&

$$

DS
746 
WWUS76 KHNX 010845
NPWHNX

URGENT - WEATHER MESSAGE
National Weather Service Hanford CA
1245 AM PST Sat Jan 1 2022

CAZ338-010945-
/O.EXP.KHNX.WI.Y.0050.000000T0000Z-220101T0900Z/
Mojave Desert Slopes-
Including the city of Mojave
1245 AM PST Sat Jan 1 2022

...WIND ADVISORY WILL EXPIRE AT 1 AM PST EARLY THIS MORNING...

While breezy winds will continue across the Kern County Desert 
for a few more hours, wind speeds have lowered below advisory 
criteria. Therefore, will allow the wind advisory to expire at 1 
am pst.

$$

Molina

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 30, 8:43 PM PSTDense Fog AdvisoryHNXFresno, Kern, Kings, Madera, Merced, Tulare10 hr
Dec 31, 7:19 AM PSTDense Fog AdvisoryHNXKern8 hr

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.