Alert archive / California / Wind Advisories in 2021

Wind Advisory 7, NWS San Diego, CA

February 14, 2021Riverside County, San Bernardino County, San Diego County, California

NWS San Diego, CA issued this wind advisory at Feb 14, 2021, 11:28 AM PST for Riverside County, San Bernardino County, San Diego County, California. It took effect at Feb 15, 2021, 1:00 PM PST. It was in force for .

The area

The counties it named.

The facts

Issued
Feb 14, 2021, 11:28 AM PST (19:28 UTC)
In effect from
Feb 15, 2021, 1:00 PM PST
Expired
Feb 15, 2021, 12:39 PM PST
In force
Issued by
NWS San Diego, CA

Counties Riverside County, CA, San Bernardino County, CA, San Diego County, CA

The radar

The Santa Ana Mts radar (KSOX), 122 km from the middle of the area, began a volume at 19:33 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, 7.5 hours before the alert went out and 145 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 2021-02-14Temperature 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, San Diego, CA at 12:00Z on 2021-02-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -14 square meters per square second.1939587897117Sfc1 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
625 m above ground
0-6 km bulk shear
84 kt
0-1 km storm-relative helicity
-14 m²/s²
0-3 km storm-relative helicity
133 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

254 
WWUS76 KSGX 141928
NPWSGX

URGENT - WEATHER MESSAGE
National Weather Service SAN DIEGO CA
1128 AM PST Sun Feb 14 2021

CAZ055-060-065-150600-
/O.NEW.KSGX.WI.Y.0007.210215T2100Z-210216T1500Z/
San Bernardino County Mountains-Apple and Lucerne Valleys-
San Gorgonio Pass Near Banning-
Including the city of Wrightwood
1128 AM PST Sun Feb 14 2021

...WIND ADVISORY IN EFFECT FROM 1 PM MONDAY TO 7 AM PST TUESDAY...

* WHAT...West winds 20 to 30 mph with gusts 45 to 55 mph expected.
  Isolated gusts to 60 mph for wind prone areas.

* WHERE...San Bernardino County Mountains, Apple and Lucerne 
  Valleys and San Gorgonio Pass Near Banning.

* WHEN...From 1 PM Monday to 7 AM PST Tuesday.

* IMPACTS...Difficult travel conditions for high profile vehicles
  due to dangerous crosswinds. Gusty winds could blow around 
  unsecured objects. Tree limbs could be blown down and a few 
  power outages may result.

* ADDITIONAL DETAILS...Strongest winds along I-10 near Whitewater,
  Highway 62, and Highway 247 between Lucerne Valley and Yucca
  Valley.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

CAZ056-058-061-062-150600-
/O.NEW.KSGX.WI.Y.0007.210216T0200Z-210216T2100Z/
Riverside County Mountains-San Diego County Mountains-
Coachella Valley-San Diego County Deserts-
Including the city of Julian
1128 AM PST Sun Feb 14 2021

...WIND ADVISORY IN EFFECT FROM 6 PM MONDAY TO 1 PM PST TUESDAY...

* WHAT...West winds 15 to 25 mph with gusts 45 to 50 mph 
  expected.

* WHERE...Riverside County Mountains, San Diego County 
  Mountains, Coachella Valley and San Diego County Deserts.

* WHEN...From 6 PM Monday to 1 PM PST Tuesday.

* IMPACTS...Difficult travel conditions for high profile vehicles
  due to dangerous crosswinds. Gusty winds could blow around 
  unsecured objects. Tree limbs could be blown down and a few 
  power outages may result.

* ADDITIONAL DETAILS...Strongest winds along I-8 from Boulevard
  through Ocotillo.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

Rodriguez

For more information from the National Weather Service visit
http://weather.gov/sandiego
3 follow-up statements
519 
WWUS76 KSGX 150526
NPWSGX

URGENT - WEATHER MESSAGE
National Weather Service SAN DIEGO CA
926 PM PST Sun Feb 14 2021

CAZ055-060-065-151330-
/O.CON.KSGX.WI.Y.0007.210215T2100Z-210216T1500Z/
San Bernardino County Mountains-Apple and Lucerne Valleys-
San Gorgonio Pass Near Banning-
Including the city of Wrightwood
926 PM PST Sun Feb 14 2021

...WIND ADVISORY REMAINS IN EFFECT FROM 1 PM MONDAY TO 7 AM PST
TUESDAY...

* WHAT...West winds 20 to 30 mph with gusts 45 to 55 mph expected.
  Isolated gusts to 65 mph for wind prone areas.

* WHERE...San Bernardino County Mountains, Apple and Lucerne 
  Valleys and San Gorgonio Pass Near Banning.

* WHEN...From 1 PM Monday to 7 AM PST Tuesday.

* IMPACTS...Difficult travel conditions, especially for high
  profile vehicles due to dangerous crosswinds and locally reduced
  visibility in blowing dust. Gusty winds could blow around 
  unsecured objects. Tree limbs could be blown down and a few 
  power outages may result. 

* ADDITIONAL DETAILS...Strongest winds along I-10 near 
  Whitewater, Highway 62, and Highway 247 between Lucerne Valley 
  and Yucca Valley. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

CAZ056-058-061-062-151330-
/O.CON.KSGX.WI.Y.0007.210216T0200Z-210216T2100Z/
Riverside County Mountains-San Diego County Mountains-
Coachella Valley-San Diego County Deserts-
Including the city of Julian
926 PM PST Sun Feb 14 2021

...WIND ADVISORY REMAINS IN EFFECT FROM 6 PM MONDAY TO 1 PM PST
TUESDAY...

* WHAT...West winds 15 to 25 mph with gusts 45 to 50 mph expected.
  Local gusts to 60 mph on the windier ridges and desert slopes.

* WHERE...Riverside County Mountains, San Diego County 
  Mountains, Coachella Valley and San Diego County Deserts.

* WHEN...From 6 PM Monday to 1 PM PST Tuesday.

* IMPACTS...Difficult travel conditions, especially for high
  profile vehicles due to dangerous crosswinds and locally reduced
  visibility in blowing dust. Gusty winds could blow around 
  unsecured objects. Tree limbs could be blown down and a few 
  power outages may result. 

* ADDITIONAL DETAILS...Strongest winds along I-8 from Boulevard
  through Ocotillo, Highway 78 into the desert, and on exposed 
  ridges and desert slopes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

For more information from the National Weather Service visit
http://weather.gov/sandiego
616 
WWUS76 KSGX 151040
NPWSGX

URGENT - WEATHER MESSAGE
National Weather Service SAN DIEGO CA
240 AM PST Mon Feb 15 2021

CAZ056-058-061-062-152330-
/O.EXT.KSGX.WI.Y.0007.210216T0000Z-210216T1900Z/
Riverside County Mountains-San Diego County Mountains-
Coachella Valley-San Diego County Deserts-
Including the cities of Julian and Borrego Springs
240 AM PST Mon Feb 15 2021

...WIND ADVISORY NOW IN EFFECT FROM 4 PM THIS AFTERNOON TO 11 AM
PST TUESDAY...

* WHAT...West winds 20 to 30 mph with gusts to 55 mph expected.
  Isolated gusts to 65 mph.

* WHERE...San Diego County Deserts, Coachella Valley, Riverside 
  County Mountains and San Diego County Mountains.

* WHEN...From 4 PM this afternoon to 11 AM PST Tuesday.

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

* ADDITIONAL DETAILS...Stronger winds along Interstate 8 between
  Boulevard and Ocotillo.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

CAZ055-060-065-152330-
/O.CON.KSGX.WI.Y.0007.210215T2100Z-210216T1500Z/
San Bernardino County Mountains-Apple and Lucerne Valleys-
San Gorgonio Pass Near Banning-
Including the cities of Wrightwood, Victorville, Apple Valley, 
and Desert Hot Springs
240 AM PST Mon Feb 15 2021

...WIND ADVISORY REMAINS IN EFFECT FROM 1 PM THIS AFTERNOON TO
7 AM PST TUESDAY...

* WHAT...West winds 20 to 30 mph with gusts to 55 mph expected.
  Isolated gusts to 65 mph.

* WHERE...Apple and Lucerne Valleys, San Gorgonio Pass Near 
  Banning and San Bernardino County Mountains.

* WHEN...From 1 PM this afternoon to 7 AM PST Tuesday.

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

* ADDITIONAL DETAILS...Stronger winds along Interstate 10 through
  the northern Coachella Valley, Highway 62 through Morongo Valley
  and Yucca Valley, and Highway 247 between the Lucerne Valley and
  Yucca Valley.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

For more information from the National Weather Service visit
http://weather.gov/sandiego
900 
WWUS76 KSGX 152039
NPWSGX

URGENT - WEATHER MESSAGE
National Weather Service SAN DIEGO CA
1239 PM PST Mon Feb 15 2021

CAZ056-058-061-062-160600-
/O.UPG.KSGX.WI.Y.0007.210216T0000Z-210216T1900Z/
/O.NEW.KSGX.HW.W.0004.210216T0000Z-210216T1800Z/
Riverside County Mountains-San Diego County Mountains-
Coachella Valley-San Diego County Deserts-
Including the cities of Idyllwild-Pine Cove, Julian, Pine Valley,
Indio, Palm Springs, Cathedral City, Palm Desert, 
Palm Desert Country, La Quinta, Coachella, and Borrego Springs
1239 PM PST Mon Feb 15 2021

...HIGH WIND WARNING IN EFFECT FROM 4 PM THIS AFTERNOON TO 10 AM
PST TUESDAY...

* WHAT...West winds 25 to 35 mph with gusts 50 to 65 mph expected.
  Local gusts of 75 mph are possible.

* WHERE...Riverside County Mountains, San Diego County 
  Mountains, Coachella Valley and San Diego County Deserts.

* WHEN...From 4 PM this afternoon to 10 AM PST Tuesday. Strongest
  winds will be tonight.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

People should avoid being outside in forested areas and around
trees and branches. If possible, remain in the lower levels of
your home during the windstorm, and avoid windows. Use caution if
you must drive.

&&

$$

CAZ055-060-065-160600-
/O.UPG.KSGX.WI.Y.0007.210215T2100Z-210216T1500Z/
/O.NEW.KSGX.HW.W.0004.210215T2100Z-210216T1500Z/
San Bernardino County Mountains-Apple and Lucerne Valleys-
San Gorgonio Pass Near Banning-
Including the cities of Crestline, Lake Arrowhead, Big Bear City,
Big Bear Lake, Running Springs, Wrightwood, Victorville, 
Hesperia, Apple Valley, Banning, and Desert Hot Springs
1239 PM PST Mon Feb 15 2021

...HIGH WIND WARNING IN EFFECT UNTIL 7 AM PST TUESDAY...

* WHAT...West winds 25 to 35 mph with gusts 45 to 60 mph expected.
  Local gusts of 70 mph are possible.

* WHERE...San Bernardino County Mountains, Apple and Lucerne 
  Valleys and San Gorgonio Pass Near Banning.

* WHEN...Until 7 AM PST Tuesday. Strongest winds will be late this
  afternoon and this evening.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

People should avoid being outside in forested areas and around
trees and branches. If possible, remain in the lower levels of
your home during the windstorm, and avoid windows. Use caution if
you must drive.

&&

$$

Maxwell

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 13, 9:32 PM PSTSmall Craft AdvisorySGX25 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.