Alert archive / California / Wind Advisories in 2021

Wind Advisory 28, NWS Phoenix, AZ

December 26, 2021Imperial County, San Bernardino County, California

NWS Phoenix, AZ issued this wind advisory at Dec 26, 2021, 2:02 PM PST for Imperial County, San Bernardino County, California. It took effect at Dec 27, 2021, 12:00 PM PST. It was in force for 15 hr.

The area

The counties it named.

The facts

Issued
Dec 26, 2021, 2:02 PM PST (22:02 UTC)
In effect from
Dec 27, 2021, 12:00 PM PST
Expired
Dec 28, 2021, 3:00 AM PST
In force
15 hr
Issued by
NWS Phoenix, AZ

Counties Imperial County, CA, San Bernardino County, CA

The radar

The San Diego radar (KNKX), 164 km from the middle of the area, began a volume at 22:05 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

San Diego, CA (KNKX), launched 12:00Z, 10.0 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 2021-12-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2 joules per kilogram.LCLLFCEL10008507005003002001001 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, San Diego, CA at 12:00Z on 2021-12-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -29 square meters per square second.1939587897117136Sfc1 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
2 J/kg
Mixed-layer CIN
-9 J/kg
Mixed-layer LCL
690 m above ground
0-6 km bulk shear
78 kt
0-1 km storm-relative helicity
-29 m²/s²
0-3 km storm-relative helicity
40 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

013 
WWUS75 KPSR 262202
NPWPSR

URGENT - WEATHER MESSAGE
National Weather Service Phoenix AZ
302 PM MST Sun Dec 26 2021

CAZ560-562-566-271015-
/O.NEW.KPSR.WI.Y.0028.211227T2000Z-211228T1100Z/
Joshua Tree NP West-Imperial County Southwest-
Imperial County West-
Including the cities of Cottonwood Visitor, 
Lost Horse-Keys Village, Coolidge Springs, Salton City, Winona, 
Coyote Wells, Ocotillo, and Plaster City
202 PM PST Sun Dec 26 2021

...WIND ADVISORY IN EFFECT FROM NOON MONDAY TO 3 AM PST TUESDAY...

* WHAT...Southwest winds 20 to 30 mph with gusts up to 45 mph 
  expected.

* WHERE...Western portion of Joshua Tree National Park and 
  Western Imperial County.

* WHEN...From noon Monday to 3 AM PST Tuesday.

* IMPACTS...Difficult handling conditions due to the strong winds,
  especially for larger vehicles traveling along roads with
  crosswinds. Patchy blowind dust will also be possible causing
  suddenly reduced visibility. Affected roadways include, but are
  not limited to, I-8 and Highway 86.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory means that sustained wind speeds of between
30 and 40 mph are expected, or wind gusts of between 40 and
58 mph. Winds this strong can make driving difficult, especially
for high profile vehicles. In addition, strong winds over desert
areas could result in briefly lowered visibilities to well under
a mile at times in blowing dust or blowing sand. Use extra
caution.

&&

$$

AJ
5 follow-up statements
443 
WWUS75 KPSR 270924
NPWPSR

URGENT - WEATHER MESSAGE
National Weather Service Phoenix AZ
224 AM MST Mon Dec 27 2021

CAZ560-562-566-272300-
/O.CON.KPSR.WI.Y.0028.211227T2000Z-211228T1100Z/
Joshua Tree NP West-Imperial County Southwest-
Imperial County West-
Including the cities of Cottonwood Visitor, 
Lost Horse-Keys Village, Coolidge Springs, Salton City, Winona, 
Coyote Wells, Ocotillo, and Plaster City
124 AM PST Mon Dec 27 2021

...WIND ADVISORY REMAINS IN EFFECT FROM NOON TODAY TO 3 AM PST
TUESDAY...

* WHAT...Southwest winds 20 to 30 mph with gusts up to 45 mph.

* WHERE...Western portion of Joshua Tree National Park and 
  Western Imperial County.

* WHEN...From noon today to 3 AM PST Tuesday.

* IMPACTS...Difficult handling conditions due to the strong 
  winds, especially for larger vehicles traveling along roads 
  with crosswinds. Patchy blowing dust will also be possible 
  causing suddenly reduced visibility. Affected roadways 
  include, but are not limited to, I-8 and Highway 86.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory means that sustained wind speeds of between
30 and 40 mph are expected, or wind gusts of between 40 and
58 mph. Winds this strong can make driving difficult, especially
for high profile vehicles. In addition, strong winds over desert
areas could result in briefly lowered visibilities to well under
a mile at times in blowing dust or blowing sand. Use extra
caution.

&&

$$
196 
WWUS75 KPSR 271829
NPWPSR

URGENT - WEATHER MESSAGE
National Weather Service Phoenix AZ
1129 AM MST Mon Dec 27 2021

CAZ560-562-566-280500-
/O.CON.KPSR.WI.Y.0028.211227T2000Z-211228T1100Z/
Joshua Tree NP West-Imperial County Southwest-
Imperial County West-
Including the cities of Cottonwood Visitor, 
Lost Horse-Keys Village, Coolidge Springs, Salton City, Winona, 
Coyote Wells, Ocotillo, and Plaster City
1029 AM PST Mon Dec 27 2021

...WIND ADVISORY REMAINS IN EFFECT UNTIL 3 AM PST TUESDAY...

* WHAT...Southwest winds 20 to 30 mph with gusts up to 45 mph.

* WHERE...Western portion of Joshua Tree National Park and 
  Western Imperial County.

* WHEN...From noon today to 3 AM PST Tuesday.

* IMPACTS...Difficult handling conditions due to the strong 
  winds, especially for larger vehicles traveling along roads 
  with crosswinds. Patchy blowing dust will also be possible 
  causing suddenly reduced visibility. Affected roadways 
  include, but are not limited to, I-8 and Highway 86.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory means that sustained wind speeds of between
30 and 40 mph are expected, or wind gusts of between 40 and
58 mph. Winds this strong can make driving difficult, especially
for high profile vehicles. In addition, strong winds over desert
areas could result in briefly lowered visibilities to well under
a mile at times in blowing dust or blowing sand. Use extra
caution.

&&

$$
981 
WWUS75 KPSR 280316
NPWPSR

URGENT - WEATHER MESSAGE
National Weather Service Phoenix AZ
816 PM MST Mon Dec 27 2021

CAZ560-562-566-281100-
/O.CON.KPSR.WI.Y.0028.000000T0000Z-211228T1100Z/
Joshua Tree NP West-Imperial County Southwest-
Imperial County West-
Including the cities of Cottonwood Visitor, 
Lost Horse-Keys Village, Coolidge Springs, Salton City, Winona, 
Coyote Wells, Ocotillo, and Plaster City
716 PM PST Mon Dec 27 2021

...WIND ADVISORY REMAINS IN EFFECT UNTIL 3 AM PST TUESDAY...

* WHAT...Southwest winds 20 to 30 mph with gusts up to 45 mph.

* WHERE...Southwest corner of Imperial County, Western portion 
  of Joshua Tree National Park and Western Imperial County.

* WHEN...Until 3 AM PST Tuesday.

* IMPACTS...Difficult driving conditions, especially for larger 
  vehicles traveling along roads with crosswinds. Light, 
  unsecured objects may become airborne.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory means that sustained wind speeds of between
30 and 40 mph are expected, or wind gusts of between 40 and
58 mph. Winds this strong can make driving difficult, especially
for high profile vehicles. In addition, strong winds over desert
areas could result in briefly lowered visibilities to well under
a mile at times in blowing dust or blowing sand. Use extra
caution.

&&

$$
731 
WWUS75 KPSR 280926
NPWPSR

URGENT - WEATHER MESSAGE
National Weather Service Phoenix AZ
226 AM MST Tue Dec 28 2021

CAZ562-566-281030-
/O.CAN.KPSR.WI.Y.0028.000000T0000Z-211228T1100Z/
Imperial County Southwest-Imperial County West-
126 AM PST Tue Dec 28 2021

...WIND ADVISORY IS CANCELLED...


$$

CAZ560-281100-
/O.CON.KPSR.WI.Y.0028.000000T0000Z-211228T1100Z/
Joshua Tree NP West-
Including the cities of Cottonwood Visitor and Lost Horse-Keys
Village
126 AM PST Tue Dec 28 2021

...WIND ADVISORY REMAINS IN EFFECT UNTIL 3 AM PST EARLY THIS
MORNING...

* WHAT...Southwest winds 20 to 30 mph with gusts up to 45 mph.

* WHERE...Western portion of Joshua Tree National Park.

* WHEN...Until 3 AM PST.

* IMPACTS...Difficult driving conditions, especially for larger 
  vehicles traveling along roads with crosswinds. Light, 
  unsecured objects may become airborne.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory means that sustained wind speeds of between
30 and 40 mph are expected, or wind gusts of between 40 and
58 mph. Winds this strong can make driving difficult, especially
for high profile vehicles. In addition, strong winds over desert
areas could result in briefly lowered visibilities to well under
a mile at times in blowing dust or blowing sand. Use extra
caution.

&&

$$
721 
WWUS75 KPSR 281058
NPWPSR

URGENT - WEATHER MESSAGE
National Weather Service Phoenix AZ
358 AM MST Tue Dec 28 2021

CAZ560-281200-
/O.EXP.KPSR.WI.Y.0028.000000T0000Z-211228T1100Z/
Joshua Tree NP West-
Including the cities of Cottonwood Visitor and Lost Horse-Keys
Village
258 AM PST Tue Dec 28 2021

...WIND ADVISORY WILL EXPIRE AT 3 AM PST EARLY THIS MORNING...


$$

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.