Alert archive / California / Wind Advisories in 2018

Wind Advisory 21, NWS San Diego, CA

November 30, 2018Riverside County, San Bernardino County, San Diego County, California

NWS San Diego, CA issued this wind advisory at Nov 30, 2018, 1:35 PM PST for Riverside County, San Bernardino County, San Diego County, California. It took effect at Dec 1, 2018, 4:00 PM PST. It was in force for 15 hr.

The area

The counties it named.

The facts

Issued
Nov 30, 2018, 1:35 PM PST (21:35 UTC)
In effect from
Dec 1, 2018, 4:00 PM PST
Expired
Dec 2, 2018, 7:00 AM PST
In force
15 hr
Issued by
NWS San Diego, CA

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

The nearest sounding before it

San Diego, CA (KNKX), launched 12:00Z, 9.6 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 2018-11-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 54 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 2018-11-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 76 square meters per square second.1939587897117136156Sfc1 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
54 J/kg
Mixed-layer CIN
-3 J/kg
Mixed-layer LCL
786 m above ground
0-6 km bulk shear
76 kt
0-1 km storm-relative helicity
76 m²/s²
0-3 km storm-relative helicity
163 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

388 
WWUS76 KSGX 302135
NPWSGX

URGENT - WEATHER MESSAGE
National Weather Service San Diego CA
135 PM PST Fri Nov 30 2018

...GUSTY WEST WINDS FOR THE MOUNTAINS AND DESERTS LATE SATURDAY 
THROUGH EARLY SUNDAY...

.A trough moving across the area will create gusty winds across
portions of the mountains and deserts late Saturday through early
Sunday. Conditions will improve throughout the day Sunday.

CAZ055-056-058-060-062-065-010600-
/O.NEW.KSGX.WI.Y.0021.181202T0000Z-181202T1500Z/
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
135 PM PST Fri Nov 30 2018

...WIND ADVISORY IN EFFECT FROM 4 PM SATURDAY TO 7 AM PST
SUNDAY...

The National Weather Service in San Diego has issued a Wind
Advisory...which is in effect from 4 PM Saturday to 7 AM PST
Sunday. 

* Winds...West 25 to 35 mph with gusts to 55 mph. Isolated gusts
  to 65 mph. 

* Timing...Late Saturday through early Sunday.

* Location...Strongest winds near mountain ridge tops and along 
  desert mountain slopes into adjacent desert areas. 

* Impacts...The winds will make driving difficult, especially for
  motorists with high profile vehicles. Watch for broken tree
  limbs and other debris as well as downed power lines. 

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
5 follow-up statements
984 
WWUS76 KSGX 011233
NPWSGX

URGENT - WEATHER MESSAGE
National Weather Service San Diego CA
433 AM PST Sat Dec 1 2018

...GUSTY WEST WINDS FOR THE MOUNTAINS AND DESERTS LATE SATURDAY
THROUGH EARLY SUNDAY...

CAZ055-056-058-060-062-065-012200-
/O.CON.KSGX.WI.Y.0021.181202T0000Z-181202T1500Z/
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
433 AM PST Sat Dec 1 2018

...WIND ADVISORY REMAINS IN EFFECT FROM 4 PM THIS AFTERNOON TO
7 AM PST SUNDAY...

* Winds...West 25 to 35 mph with gusts to 55 mph. Isolated gusts 
  to 65 mph. 

* Timing...Winds increasing late today, peaking overnight, then
  decreasing Sunday morning.

* Location...Strongest winds near mountain ridge tops and along 
  desert mountain slopes into adjacent desert areas. 

* Impacts...The winds will make driving difficult, especially 
  for motorists with high profile vehicles. Watch for broken 
  tree limbs and other debris as well as downed power lines. 

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.

&&

$$

10
683 
WWUS76 KSGX 012126
NPWSGX

URGENT - WEATHER MESSAGE
National Weather Service San Diego CA
126 PM PST Sat Dec 1 2018

...GUSTY WEST WINDS FOR THE MOUNTAINS AND DESERTS LATE TODAY 
THROUGH EARLY SUNDAY...

CAZ055-056-058-060-062-065-020600-
/O.CON.KSGX.WI.Y.0021.181202T0000Z-181202T1500Z/
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
126 PM PST Sat Dec 1 2018

...WIND ADVISORY REMAINS IN EFFECT UNTIL 7 AM PST SUNDAY...

* Winds...West 25 to 35 mph with gusts to 55 mph. Isolated gusts 
  to 65 mph. 

* Timing...Winds increasing late today, peaking overnight, then 
  decreasing Sunday morning. 

* Location...Strongest winds near mountain ridge tops and along 
  desert mountain slopes into adjacent desert areas. 

* Impacts...The winds will make driving difficult, especially 
  for motorists with high profile vehicles. Watch for broken 
  tree limbs and other debris as well as downed power lines. 

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
596 
WWUS76 KSGX 020529
NPWSGX

URGENT - WEATHER MESSAGE
National Weather Service San Diego CA
929 PM PST Sat Dec 1 2018

...GUSTY WEST WINDS FOR THE MOUNTAINS AND DESERTS THROUGH EARLY 
SUNDAY...

CAZ055-056-058-060-062-065-021400-
/O.CON.KSGX.WI.Y.0021.000000T0000Z-181202T1500Z/
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
929 PM PST Sat Dec 1 2018

...WIND ADVISORY REMAINS IN EFFECT UNTIL 7 AM PST SUNDAY...

* Winds...West 25 to 35 mph with gusts to 55 mph. Isolated gusts 
  to 65 mph. 

* Timing...Winds peaking overnight, then decreasing Sunday 
  morning. 

* Location...Strongest winds near mountain ridge tops and along 
  desert mountain slopes into adjacent desert areas. 

* Impacts...The winds will make driving difficult, especially 
  for motorists with high profile vehicles. Watch for broken 
  tree limbs and other debris as well as downed power lines. 

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.

&&

$$
376 
WWUS76 KSGX 021333
NPWSGX

URGENT - WEATHER MESSAGE
National Weather Service San Diego CA
533 AM PST Sun Dec 2 2018

CAZ055-056-058-060-062-065-021500-
/O.CON.KSGX.WI.Y.0021.000000T0000Z-181202T1500Z/
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
533 AM PST Sun Dec 2 2018

...WIND ADVISORY REMAINS IN EFFECT UNTIL 7 AM PST THIS MORNING...

* Winds...West 25 to 35 mph with gusts to 45 mph...decreasing this
  morning.ng. 

* Location...Strongest winds near mountain ridge tops and along 
  desert mountain slopes into adjacent desert areas. 

* Impacts...The winds will make driving difficult, especially 
  for motorists with high profile vehicles. Watch for broken 
  tree limbs and other debris as well as downed power lines. 

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.

&&

$$

10
073 
WWUS76 KSGX 021452
NPWSGX

URGENT - WEATHER MESSAGE
National Weather Service San Diego CA
652 AM PST Sun Dec 2 2018

CAZ055-056-058-060-062-065-021600-
/O.EXP.KSGX.WI.Y.0021.000000T0000Z-181202T1500Z/
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
652 AM PST Sun Dec 2 2018

...WIND ADVISORY WILL EXPIRE AT 7 AM PST THIS MORNING...

Winds have diminished across the region, with only a few areas 
gusting around 30 mph this morning. Therefore, the Wind Advisory
will be allowed to expire at 7 AM this morning. Please see the
wind gust summary on our webpage at www.weather.gov/sgx for the
highest observed gusts overnight.

$$

JJT

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 29, 4:57 PM PSTAreal Flood AdvisorySGXOrange, Riverside, San Bernardino3 hr

Nearby

Wind Advisories in California, 2018Every wind advisory in 2018

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.