Alert archive / California / Wind Advisories in 2017

Wind Advisory 32, NWS San Diego, CA

November 26, 2017Riverside County, San Bernardino County, San Diego County, California

NWS San Diego, CA issued this wind advisory at Nov 26, 2017, 12:46 PM PST for Riverside County, San Bernardino County, San Diego County, California. It took effect at Nov 27, 2017, 4:00 AM PST. It was in force for 15 hr.

The area

The counties it named.

The facts

Issued
Nov 26, 2017, 12:46 PM PST (20:46 UTC)
In effect from
Nov 27, 2017, 4:00 AM PST
Expired
Nov 27, 2017, 6:44 PM PST
In force
15 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 20:46 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, 8.8 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 2017-11-26Temperature 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 2017-11-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 65 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
2761 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
65 m²/s²
0-3 km storm-relative helicity
113 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

635 
WWUS76 KSGX 262046
NPWSGX

URGENT - WEATHER MESSAGE
National Weather Service San Diego CA
1246 PM PST Sun Nov 26 2017

...WIND ADVISORY FOR THE MOUNTAINS AND MOST OF THE DESERT AREAS
MONDAY MORNING THROUGH EARLY MONDAY AFTERNOON...

CAZ055-056-058-060-062-065-270600-
/O.NEW.KSGX.WI.Y.0032.171127T1200Z-171127T2100Z/
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 Big Bear City, Running Springs, 
Wrightwood, Julian, and Desert Hot Springs
1246 PM PST Sun Nov 26 2017

...WIND ADVISORY IN EFFECT FROM 4 AM TO 1 PM PST MONDAY...

The National Weather Service in San Diego has issued a Wind
Advisory...which is in effect from 4 AM to 1 PM PST Monday. 

* Winds...West 20 to 30 mph with gusts to 50 mph and locally 60 
  mph. 

* Timing...Winds strengthening late tonight, peaking Monday
  morning after sunrise, then weakening early to mid Monday
  afternoon. 

* Location...Mountain ridges, through and below mountain passes,
  along desert slopes and into adjacent desert floor areas.
  Interstates 15, 10 and 8 likely impacted with strong cross-
  winds.

* Visibility...Locally down to 1 mile or less in the deserts due
  to blowing dust or sand. 

* Impacts...Hazardous driving conditions for high profile
  vehicles. Blowing dust reducing visibilities for motorists. 

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.

&&

$$

Harrison
5 follow-up statements
421 
WWUS76 KSGX 270524
NPWSGX

URGENT - WEATHER MESSAGE
National Weather Service San Diego CA
924 PM PST Sun Nov 26 2017

CAZ055-056-058-060-062-065-271400-
/O.EXT.KSGX.WI.Y.0032.171127T1200Z-171128T0000Z/
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 Big Bear City, Running Springs, 
Wrightwood, Julian, and Desert Hot Springs
924 PM PST Sun Nov 26 2017

...WIND ADVISORY NOW IN EFFECT FROM 4 AM TO 4 PM PST MONDAY...

* Winds...West 20 to 30 mph with gusts 50 to 60 mph. 

* Timing...Winds increasing late tonight, with strong winds Monday
  morning through early Monday afternoon, then decreasing late
  Monday afternoon. 

* Location...Mountain ridges, through and below mountain passes,
  along desert slopes and adjacent desert floors.

* Visibility...Could be reduced to one-half mile in areas of
  blowing dust and sand. 

* Impacts...Hazardous driving conditions for high-profile 
  vehicles. Interstates 15, 10 and 8 likely impacted with strong 
  winds. Blowing dust and sand in the deserts could make for 
  hazardous travel conditions. 

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.

&&

$$

jmb

weather.gov/sandiego
148 
WWUS76 KSGX 271250
NPWSGX

URGENT - WEATHER MESSAGE
National Weather Service San Diego CA
450 AM PST Mon Nov 27 2017

...Strong and gusty winds in the mountains and deserts into the
afternoon...

.A low pressure system moving inland through California will bring
stronger onshore flow with periods of strong and gusty southwest
to west winds into the afternoon for the mountains and deserts.

CAZ055-056-058-060-062-065-280000-
/O.CON.KSGX.WI.Y.0032.000000T0000Z-171128T0000Z/
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, Lake Arrowhead, Big Bear City,
Big Bear Lake, Wrightwood, Julian, Victorville, Hesperia, 
Apple Valley, Borrego Springs, and Desert Hot Springs
450 AM PST Mon Nov 27 2017

...WIND ADVISORY REMAINS IN EFFECT UNTIL 4 PM PST THIS
AFTERNOON...

* Winds...West 20 to 30 mph with gusts 50 mph. Isolated gusts to 
  60 mph.

* Timing...Winds strengthening this morning...then diminishing
  after mid afternoon.

* Location...Near mountain ridge tops and along desert mountain
  slopes into adjacent desert areas.

* Visibility...Reduced in the deserts below one half mile at times 
  in areas of blowing dust and sand. 

* Impacts...Hazardous driving conditions for high-profile 
  vehicles. Interstates 15, 10 and 8 likely impacted with strong 
  winds. Blowing dust and sand in the deserts could make for 
  hazardous travel conditions. 

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.

&&

$$

17
769 
WWUS76 KSGX 272026
NPWSGX

URGENT - WEATHER MESSAGE
National Weather Service San Diego CA
1226 PM PST Mon Nov 27 2017

...Strong and Gusty Winds in the Mountains and Deserts This 
Afternoon...

...Frosty in the High Deserts Tonight...

.A low pressure system moving inland through California will
bring strong and gusty southwest to west winds this afternoon to 
the mountains and deserts. Clear and cold in the high deserts
tonight with areas of frost. 


CAZ060-280430-
/O.NEW.KSGX.FR.Y.0006.171128T0800Z-171128T1700Z/
/O.CON.KSGX.WI.Y.0032.000000T0000Z-171128T0000Z/
Apple and Lucerne Valleys-
Including the cities of Victorville, Hesperia, and Apple Valley
1226 PM PST Mon Nov 27 2017

...WIND ADVISORY REMAINS IN EFFECT UNTIL 4 PM PST THIS
AFTERNOON...
...FROST ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM PST
TUESDAY...

The National Weather Service in San Diego has issued a Frost
Advisory...which is in effect from midnight tonight to 9 AM PST
Tuesday. 

* Winds...West 20 to 30 mph with gusts 50 mph. Isolated gusts to
  60 mph. 

* Location...Near mountain ridge tops and along desert mountain 
  slopes into adjacent desert areas. 

* Visibility...Reduced in the deserts below one mile at times in 
  areas of blowing dust and sand. 

* Temperature...Lows ranging from 30 to 35 degrees in the high
  deserts. 

* Impacts...Hazardous driving conditions for high-profile
  vehicles. Interstate 15, Highway 395 and Highway 247 impacted
  with strong winds.  

* Reports...Winds gusted to 53 mph at the Barstow-Daggett Airport
  at 10 AM, and to 46 mph at Lucerne Valley at 8 AM. 

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.

A Frost Advisory means that widespread frost is expected.
Sensitive outdoor plants may be killed if left uncovered.

&&

$$

CAZ055-056-058-062-065-280000-
/O.CON.KSGX.WI.Y.0032.000000T0000Z-171128T0000Z/
San Bernardino County Mountains-Riverside County Mountains-
San Diego County Mountains-San Diego County Deserts-
San Gorgonio Pass Near Banning-
Including the cities of Crestline, Lake Arrowhead, Big Bear City,
Big Bear Lake, Wrightwood, Julian, Borrego Springs, 
and Desert Hot Springs
1226 PM PST Mon Nov 27 2017

...WIND ADVISORY REMAINS IN EFFECT UNTIL 4 PM PST THIS
AFTERNOON...

* Winds...West 20 to 30 mph with gusts 50 mph. Isolated gusts to 
  60 mph. 

* Location...Near mountain ridge tops and along desert mountain 
  slopes into adjacent desert areas. 

* Visibility...Reduced in the deserts below one mile at times in 
  areas of blowing dust and sand. 

* Impacts...Hazardous driving conditions for high-profile 
  vehicles. Interstates 15, 10 and 8 likely impacted with strong 
  winds. Blowing dust and sand in the deserts could make for 
  hazardous travel conditions. 

* Reports...Winds gusted to 55 mph at Burns Canyon in the San
  Bernardino Mountains, and also at Volcan Mountain in the San
  Diego County Mountains. 

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.

&&

$$

Moede
990 
WWUS76 KSGX 272355
NPWSGX

URGENT - WEATHER MESSAGE
National Weather Service San Diego CA
355 PM PST Mon Nov 27 2017

...STRONG AND GUSTY WINDS INTO THIS EVENING...

...FROSTY IN THE HIGH DESERTS TONIGHT...

.A low pressure system moving inland will continue strong and 
gusty westerly winds, becoming northerly this evening over the  
mountains and deserts. Clear and cold in the high deserts tonight 
with areas of frost.

CAZ060-280600-
/O.CAN.KSGX.WI.Y.0032.000000T0000Z-171128T0000Z/
/O.CON.KSGX.FR.Y.0006.171128T0800Z-171128T1700Z/
Apple and Lucerne Valleys-
Including the cities of Victorville, Hesperia, and Apple Valley
355 PM PST Mon Nov 27 2017

...FROST ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM
PST TUESDAY...
...WIND ADVISORY IS CANCELLED...

The National Weather Service in San Diego has cancelled the Wind
Advisory. 

* Temperature...Lows ranging from 30 to 35 degrees.
  

* Impacts...Sensitive outdoor plants may be damaged or killed if
  left uncovered.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Frost Advisory means that widespread frost is expected.
Sensitive outdoor plants may be killed if left uncovered.

&&

$$

CAZ055-056-058-062-065-280300-
/O.EXT.KSGX.WI.Y.0032.000000T0000Z-171128T0300Z/
San Bernardino County Mountains-Riverside County Mountains-
San Diego County Mountains-San Diego County Deserts-
San Gorgonio Pass Near Banning-
Including the cities of Crestline, Lake Arrowhead, Big Bear City,
Big Bear Lake, Wrightwood, Julian, Borrego Springs, 
and Desert Hot Springs
355 PM PST Mon Nov 27 2017

...WIND ADVISORY NOW IN EFFECT UNTIL 7 PM PST THIS EVENING...

* Winds...West 20 to 30 mph with gusts 50 mph. Isolated gusts to 
  60 mph. 

* Location...Near mountain ridge tops and along desert mountain 
  slopes into adjacent desert areas. 

* Visibility...Locally reduced in the deserts at times in blowing
  dust and sand. 

* Impacts...Hazardous driving conditions for high-profile
  vehicles. Interstates 10 and 8 likely impacted with strong
  winds. Blowing dust and sand in the deserts could temporarily
  reduce visibility for motorists.
  

* Reports...
Location                         Wind gust in MPH          Time

White Water West RAWS                   70               12 PM PST 
Volcan Mountain SDGE                    67                2 PM PST 
Burns Canyon                            55                7 AM PST 
Harrison Park SDGE                      54               12 PM PST 
Snow Peak                               52                7 AM PST 
Boulevard West SDGE                     52                2 PM PST 
White Water/Desert Hot Spgs             52                2 PM PST 
Twentynine Palms Marine Corps           49                1 PM PST 
Mountain Springs Grade                  49                7 AM PST  

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.

&&

$$

JAD
715 
WWUS76 KSGX 280244
NPWSGX

URGENT - WEATHER MESSAGE
National Weather Service San Diego CA
644 PM PST Mon Nov 27 2017

...FROSTY IN THE HIGH DESERTS TONIGHT...

Clear and cold in the high deserts tonight with areas of frost.

CAZ055-056-058-062-065-280345-
/O.CAN.KSGX.WI.Y.0032.000000T0000Z-171128T0300Z/
San Bernardino County Mountains-Riverside County Mountains-
San Diego County Mountains-San Diego County Deserts-
San Gorgonio Pass Near Banning-
644 PM PST Mon Nov 27 2017

...WIND ADVISORY IS CANCELLED...

The National Weather Service in San Diego has cancelled the Wind
Advisory. 

Winds have dropped off most areas.

$$

CAZ060-281300-
/O.CON.KSGX.FR.Y.0006.171128T0800Z-171128T1700Z/
Apple and Lucerne Valleys-
Including the cities of Victorville, Hesperia, and Apple Valley
644 PM PST Mon Nov 27 2017

...FROST ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM
PST TUESDAY...

* Temperature...Lows ranging from 30 to 35 degrees.

* Impacts...Sensitive outdoor plants may be damaged or killed if 
  left uncovered. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Frost Advisory means that widespread frost is expected.
Sensitive outdoor plants may be killed if left uncovered.

&&

$$

JAD

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 26, 12:47 PM PSTSmall Craft AdvisorySGX31 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.