Alert archive / California / Wind Advisories in 2021

Wind Advisory 4, NWS Phoenix, AZ

February 24, 2021Imperial County, Riverside County, California; La Paz County, Yuma County, Arizona

NWS Phoenix, AZ issued this wind advisory at Feb 24, 2021, 3:01 AM PST for Imperial County, Riverside County, California; La Paz County, Yuma County, Arizona. It took effect at Feb 24, 2021, 10:00 PM PST. It was in force for 15 hr.

The area

The counties it named.

The facts

Issued
Feb 24, 2021, 3:01 AM PST (11:01 UTC)
In effect from
Feb 24, 2021, 10:00 PM PST
Expired
Feb 25, 2021, 1:00 PM PST
In force
15 hr
Issued by
NWS Phoenix, AZ

Counties La Paz County, AZ, Yuma County, AZ, Imperial County, CA, Riverside County, CA

The radar

The Yuma radar (KYUX), 93 km from the middle of the area, began a volume at 11:03 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

Yuma Prvg Ground, AZ (K1Y7), launched 00:00Z, 11.0 hours before the alert went out and 99 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, Yuma Prvg Ground, AZ at 00:00Z on 2021-02-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Yuma Prvg Ground, AZ at 00:00Z on 2021-02-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -39 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
4059 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
-39 m²/s²
0-3 km storm-relative helicity
58 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

486 
WWUS75 KPSR 241101
NPWPSR

URGENT - WEATHER MESSAGE
National Weather Service Phoenix AZ
401 AM MST Wed Feb 24 2021

AZZ530-531-533-CAZ564-565-569-570-242315-
/O.NEW.KPSR.WI.Y.0004.210225T0600Z-210225T1800Z/
Parker Valley-Kofa-Central La Paz-Chuckwalla Mountains-
Imperial County Southeast-Palo Verde Valley-Chuckwalla Valley-
Including the cities of Parker, Ehrenberg, Palm Canyon, Brenda, 
Harcuvar, Quartzsite, Vicksburg, Vicksburg Junction, Salome, 
Imperial Hot Mineral Springs, Blythe, Palo Verde, Ripley, 
and Midland
401 AM MST Wed Feb 24 2021 /301 AM PST Wed Feb 24 2021/

...WIND ADVISORY IN EFFECT FROM 11 PM MST /10 PM PST/ THIS
EVENING TO 11 AM MST /10 AM PST/ THURSDAY...

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

* WHERE...In Arizona, Parker Valley, Kofa and Central La Paz 
  County. In California, Chuckwalla Mountains, Southeastern 
  Imperial County, Palo Verde Valley and Chuckwalla Valley.

* WHEN...From 11 PM MST /10 PM PST/ this evening to 11 AM MST 
  /10 AM PST/ Thursday.

* 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.

&&

$$
2 follow-up statements
315 
WWUS75 KPSR 241952
NPWPSR

URGENT - WEATHER MESSAGE
National Weather Service Phoenix AZ
1252 PM MST Wed Feb 24 2021

AZZ530-531-533-CAZ564-565-569-570-251200-
/O.CON.KPSR.WI.Y.0004.210225T0600Z-210225T1800Z/
Parker Valley-Kofa-Central La Paz-Chuckwalla Mountains-
Imperial County Southeast-Palo Verde Valley-Chuckwalla Valley-
Including the cities of Parker, Ehrenberg, Palm Canyon, Brenda, 
Harcuvar, Quartzsite, Vicksburg, Vicksburg Junction, Salome, 
Imperial Hot Mineral Springs, Blythe, Palo Verde, Ripley, 
and Midland
1252 PM MST Wed Feb 24 2021 /1152 AM PST Wed Feb 24 2021/

...WIND ADVISORY REMAINS IN EFFECT FROM 11 PM MST /10 PM PST/
THIS EVENING TO 11 AM MST /10 AM PST/ THURSDAY...

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

* WHERE...In Arizona, Parker Valley, Kofa and Central La Paz 
  County. In California, Chuckwalla Mountains, Southeastern 
  Imperial County, Palo Verde Valley and Chuckwalla Valley.

* WHEN...From 11 PM MST /10 PM PST/ this evening to 11 AM MST 
  /10 AM PST/ Thursday.

* 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.

&&

$$
426 
WWUS75 KPSR 250826
NPWPSR

URGENT - WEATHER MESSAGE
National Weather Service Phoenix AZ
126 AM MST Thu Feb 25 2021

AZZ530-531-533-CAZ564-565-569-570-252100-
/O.EXT.KPSR.WI.Y.0004.000000T0000Z-210225T2100Z/
Parker Valley-Kofa-Central La Paz-Chuckwalla Mountains-
Imperial County Southeast-Palo Verde Valley-Chuckwalla Valley-
Including the cities of Parker, Ehrenberg, Palm Canyon, Brenda, 
Harcuvar, Quartzsite, Vicksburg, Vicksburg Junction, Salome, 
Imperial Hot Mineral Springs, Blythe, Palo Verde, Ripley, 
and Midland
126 AM MST Thu Feb 25 2021 /1226 AM PST Thu Feb 25 2021/

...WIND ADVISORY NOW IN EFFECT UNTIL 2 PM MST /1 PM PST/ THIS
AFTERNOON...

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

* WHERE...In Arizona, Kofa, Parker Valley and Central La Paz 
  County. In California, Palo Verde Valley, Chuckwalla Valley, 
  Southeastern Imperial County and Chuckwalla Mountains.

* WHEN...Until 2 PM MST /1 PM PST/ this afternoon.

* 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.

&&

$$

Nearby

Wind Advisories in California, 2021Wind Advisories in Arizona, 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.