Alert archive / California / Wind Advisories in 2017

Wind Advisory 11, NWS San Diego, CA

February 21, 2017Riverside County, San Bernardino County, San Diego County, California

NWS San Diego, CA issued this wind advisory at Feb 21, 2017, 1:44 PM PST for Riverside County, San Bernardino County, San Diego County, California. It took effect at Feb 22, 2017, 1:00 PM PST. It was in force for 21 hr.

The area

The counties it named.

The facts

Issued
Feb 21, 2017, 1:44 PM PST (21:44 UTC)
In effect from
Feb 22, 2017, 1:00 PM PST
Expired
Feb 23, 2017, 10:00 AM PST
In force
21 hr
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 21:46 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, 9.7 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 2017-02-21Temperature 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, San Diego, CA at 12:00Z on 2017-02-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -2 square meters per square second.1939587897Sfc1 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
812 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
-2 m²/s²
0-3 km storm-relative helicity
33 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

256 
WWUS76 KSGX 212144
NPWSGX

URGENT - WEATHER MESSAGE
National Weather Service San Diego CA
144 PM PST Tue Feb 21 2017

...Gusty Westerly Winds in the Mountains and Deserts...

.An upper-level trough moving across the region will create gusty
westerly winds over portions of the mountains and deserts
Wednesday afternoon through Wednesday night. Strongest winds will
be along desert mountain slopes. Conditions will improve by early
Thursday morning.

CAZ055-056-058-060-062-065-220600-
/O.NEW.KSGX.WI.Y.0011.170222T2100Z-170223T0900Z/
San Bernardino County Mountains-Riverside County Mountains-
San Diego County Mountains-Apple and Lucerne Valleys-
San Diego County Deserts-San Gorgonio Pass Near Banning-
Including the cities of...Crestline...Running Springs...Julian
144 PM PST Tue Feb 21 2017

...WIND ADVISORY IN EFFECT FROM 1 PM WEDNESDAY TO 1 AM PST
THURSDAY...

The National Weather Service in San Diego has issued a Wind
Advisory...which is in effect from 1 PM Wednesday to 1 AM PST
Thursday. 

* WINDS...Westerly 25 to 35 mph...with gusts to 45 mph in the
  deserts and 55 mph along desert mountain slopes.

* TIMING...Wednesday afternoon through Wednesday night.

* LOCATION...Desert mountain slopes and adjacent deserts.

* VISIBILITY...Locally reduced to 1 mile or less in blowing dust
  and sand.

* IMPACTS...Hazardous driving for motorists in high profile
  vehicles.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory means that winds of 35 mph are expected. Winds
this strong can make driving difficult...especially for high
profile vehicles. Use extra caution.

&&

$$

JJT
6 follow-up statements
249 
WWUS76 KSGX 220551
NPWSGX

URGENT - WEATHER MESSAGE
National Weather Service San Diego CA
951 PM PST Tue Feb 21 2017

...Gusty Westerly Winds in the Mountains and Deserts Wednesday
Afternoon and Night...

.An upper-level trough moving across the region will create gusty
westerly winds over portions of the mountains and deserts
Wednesday afternoon through Wednesday night. Strongest winds will
be along desert mountain slopes. Conditions will improve by early
Thursday morning.

CAZ055-056-058-060-062-065-221400-
/O.CON.KSGX.WI.Y.0011.170222T2100Z-170223T0900Z/
San Bernardino County Mountains-Riverside County Mountains-
San Diego County Mountains-Apple and Lucerne Valleys-
San Diego County Deserts-San Gorgonio Pass Near Banning-
Including the cities of...Crestline...Running Springs...Julian
951 PM PST Tue Feb 21 2017

...WIND ADVISORY REMAINS IN EFFECT FROM 1 PM WEDNESDAY TO 1 AM
PST THURSDAY...

* WINDS...Westerly 25 to 35 mph...with gusts to 45 mph in the 
  deserts and 55 mph along desert mountain slopes. 

* TIMING...Wednesday afternoon through Wednesday night.

* LOCATION...Desert mountain slopes and adjacent deserts.

* VISIBILITY...Only locally reduced in the deserts due to blowing
  dust and sand.

* IMPACTS...Hazardous driving for motorists in high profile 
  vehicles. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory means that winds of 35 mph are expected. Winds
this strong can make driving difficult...especially for high
profile vehicles. Use extra caution.

&&

$$

Maxwell
108 
WWUS76 KSGX 221037
NPWSGX

URGENT - WEATHER MESSAGE
National Weather Service San Diego CA
237 AM PST Wed Feb 22 2017

...Gusty westerly winds this afternoon and tonight in the
mountains and deserts ...

.An upper-level trough moving across the region will create gusty
westerly winds over portions of the mountains and deserts
this afternoon through tonight. Strongest winds will be along
desert mountain slopes. Winds will diminish early Thursday
morning.

CAZ055-056-058-060-062-065-222200-
/O.CON.KSGX.WI.Y.0011.170222T2100Z-170223T0900Z/
San Bernardino County Mountains-Riverside County Mountains-
San Diego County Mountains-Apple and Lucerne Valleys-
San Diego County Deserts-San Gorgonio Pass Near Banning-
Including the cities of...Crestline...Running Springs...Julian
237 AM PST Wed Feb 22 2017

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

* WINDS...Westerly 25 to 35 mph...with gusts to 45 mph in the 
  deserts and 55 mph along desert mountain slopes. 

* TIMING...this afternoon through tonight.

* LOCATION...strongest winds on desert mountain slopes and
  adjacent deserts.

* VISIBILITY...Only locally reduced in the deserts due to 
  blowing dust and sand. 

* IMPACTS...Hazardous driving for motorists in high profile 
  vehicles. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory means that winds of 35 mph are expected. Winds
this strong can make driving difficult...especially for high
profile vehicles. Use extra caution.

&&

$$

MM
242 
WWUS76 KSGX 222133
NPWSGX

URGENT - WEATHER MESSAGE
National Weather Service San Diego CA
133 PM PST Wed Feb 22 2017

...GUSTY WEST WINDS WILL CONTINUE FROM THE MOUNTAIN RIDGES TO
PORTIONS OF THE DESERTS THROUGH THURSDAY MORNING...

.An upper level trough moving across the region will create gusty
westerly winds over portions of the mountains and deserts through
Thursday morning. Strongest winds will be along ridge tops to the 
desert mountain slopes. Winds will diminish Thursday morning.

CAZ055-056-058-060-062-065-231100-
/O.EXT.KSGX.WI.Y.0011.000000T0000Z-170223T1800Z/
San Bernardino County Mountains-Riverside County Mountains-
San Diego County Mountains-Apple and Lucerne Valleys-
San Diego County Deserts-San Gorgonio Pass Near Banning-
Including the cities of Crestline, Running Springs, and Julian
133 PM PST Wed Feb 22 2017

...WIND ADVISORY NOW IN EFFECT UNTIL 10 AM PST THURSDAY...

* WINDS...Westerly 25 to 35 mph...with gusts to 45 mph in the 
  deserts and 55 mph along desert mountain slopes. 

* TIMING...now through Thursday morning.

* LOCATION...strongest winds on ridge tops and desert mountain
  slopes. 

* VISIBILITY...Only locally reduced in the deserts due to 
  blowing dust and sand. 

* IMPACTS...Hazardous driving for motorists in high profile 
  vehicles. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory means that winds of 35 mph are expected. Winds
this strong can make driving difficult...especially for high
profile vehicles. Use extra caution.

&&

$$
Gregoria
293 
WWUS76 KSGX 230526
NPWSGX

URGENT - WEATHER MESSAGE
National Weather Service San Diego CA
926 PM PST Wed Feb 22 2017

...GUSTY WEST WINDS WILL CONTINUE FROM THE MOUNTAIN RIDGES TO
PORTIONS OF THE DESERTS THROUGH THURSDAY MORNING...

.An upper level trough moving across the region will create gusty
westerly winds over portions of the mountains and deserts through
Thursday morning. Strongest winds will be along ridge tops to the
desert mountain slopes. Winds will diminish Thursday morning.

CAZ055-056-058-060-062-065-231400-
/O.CON.KSGX.WI.Y.0011.000000T0000Z-170223T1800Z/
San Bernardino County Mountains-Riverside County Mountains-
San Diego County Mountains-Apple and Lucerne Valleys-
San Diego County Deserts-San Gorgonio Pass Near Banning-
Including the cities of Crestline, Running Springs, and Julian
926 PM PST Wed Feb 22 2017

...WIND ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST THURSDAY...

* WINDS...Westerly 25 to 35 mph...with local gusts to 45 mph in
  the deserts and 55 mph along desert mountain slopes. 

* TIMING...Through Thursday morning.

* LOCATION...Strongest winds on ridge tops and desert mountain
  slopes. 

* VISIBILITY...Only locally reduced in the deserts due to 
  blowing dust and sand. 

* IMPACTS...Hazardous driving for motorists in high profile 
  vehicles. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory means that winds of 35 mph are expected. Winds
this strong can make driving difficult...especially for high
profile vehicles. Use extra caution.

&&

$$

Maxwell
530 
WWUS76 KSGX 231024
NPWSGX

URGENT - WEATHER MESSAGE
National Weather Service San Diego CA
224 AM PST Thu Feb 23 2017

...STRONG WINDS IN PARTS OF THE MOUNTAINS AND DESERTS THIS MORNING...

.An upper level trough moving across the region will create gusty
westerly winds over portions of the mountains and deserts this
morning. Strongest winds will be along ridge tops to the desert 
mountain slopes. Winds will gradually diminish today.

CAZ055-056-058-060-062-065-231800-
/O.CON.KSGX.WI.Y.0011.000000T0000Z-170223T1800Z/
San Bernardino County Mountains-Riverside County Mountains-
San Diego County Mountains-Apple and Lucerne Valleys-
San Diego County Deserts-San Gorgonio Pass Near Banning-
Including the cities of Crestline, Running Springs, and Julian
224 AM PST Thu Feb 23 2017

...WIND ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST THIS MORNING...

* WINDS...Westerly 25 to 35 mph...with local gusts to 45 mph in 
  the deserts and 55 mph along desert mountain slopes. 

* TIMING...Through this morning.

* LOCATION...Strongest winds on ridge tops and desert mountain 
  slopes. 

* IMPACTS...Hazardous driving for motorists in high profile 
  vehicles. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Wind Advisory means that winds of 35 mph are expected. Winds
this strong can make driving difficult...especially for high
profile vehicles. Use extra caution.

&&

$$

mm
499 
WWUS76 KSGX 231748
NPWSGX

URGENT - WEATHER MESSAGE
National Weather Service San Diego CA
948 AM PST Thu Feb 23 2017

CAZ055-056-058-060-062-065-231900-
/O.EXP.KSGX.WI.Y.0011.000000T0000Z-170223T1800Z/
San Bernardino County Mountains-Riverside County Mountains-
San Diego County Mountains-Apple and Lucerne Valleys-
San Diego County Deserts-San Gorgonio Pass Near Banning-
Including the cities of Crestline, Running Springs, and Julian
948 AM PST Thu Feb 23 2017

...WIND ADVISORY WILL EXPIRE AT 10 AM PST THIS MORNING...

Winds have diminished below advisory criteria for most areas over
the past few hours. Therefore, the wind advisory will be allowed
to expire at 10 am this morning. A PNS is headlined on our webpage
with highest observed gusts over the past 48 hours.

$$

JJT

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 21, 1:30 PM PSTHigh Surf AdvisorySGXOrange, San Diego61 hr
Feb 21, 1:32 PM PSTSmall Craft AdvisorySGX60 hr

Nearby

Wind Advisories in California, 2017Every wind advisory in 2017

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.