Alert archive / California / Wind Advisories in 2020

Wind Advisory 2, NWS San Diego, CA

January 15, 2020Riverside County, San Bernardino County, San Diego County, California

NWS San Diego, CA issued this wind advisory at Jan 15, 2020, 1:15 PM PST for Riverside County, San Bernardino County, San Diego County, California. It took effect at Jan 16, 2020, 1:00 PM PST. It was in force for 15 hr.

The area

The counties it named.

The facts

Issued
Jan 15, 2020, 1:15 PM PST (21:15 UTC)
In effect from
Jan 16, 2020, 1:00 PM PST
Expired
Jan 17, 2020, 4:00 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 radar

The Santa Ana Mts radar (KSOX), 122 km from the middle of the area, began a volume at 21:18 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, 9.3 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 2020-01-15Temperature 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 2020-01-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -27 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
1050 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
-27 m²/s²
0-3 km storm-relative helicity
-1 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

107 
WWUS76 KSGX 152115
NPWSGX

URGENT - WEATHER MESSAGE
National Weather Service SAN DIEGO CA
115 PM PST Wed Jan 15 2020

...GUSTY SOUTHWEST TO WEST WINDS IN THE MOUNTAINS
AND DESERTS THURSDAY AFTERNOON THROUGH FRIDAY MORNING...

.A storm system moving through Southern California Thursday into 
Friday will generate gusty southwest to west winds, mainly along 
the mountain crests and desert slopes, portions of the high 
desert, and through the San Gorgonio Pass. 

CAZ056-058-065-160600-
/O.NEW.KSGX.WI.Y.0002.200117T0300Z-200117T1200Z/
Riverside County Mountains-San Diego County Mountains-
San Gorgonio Pass Near Banning-
Including the cities of Julian and Desert Hot Springs
115 PM PST Wed Jan 15 2020

...WIND ADVISORY IN EFFECT FROM 7 PM THURSDAY TO 4 AM PST
FRIDAY...

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

* WHERE...Riverside County Mountains, San Diego County Mountains
  and San Gorgonio Pass Near Banning Counties. Strongest winds
  near the mountain crests and upper desert slopes.

* WHEN...From 7 PM Thursday to 4 AM PST Friday.

* IMPACTS...Gusty winds could blow around unsecured objects. Tree
  limbs could be blown down.

* ADDITIONAL DETAILS...Travel may become hazardous for high
  profile vehicles traveling along I-8 east of Pine Valley and 
  I-10 through the San Gorgonio Pass.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

CAZ055-060-160600-
/O.NEW.KSGX.WI.Y.0002.200116T2100Z-200117T1200Z/
San Bernardino County Mountains-Apple and Lucerne Valleys-
Including the cities of Crestline, Lake Arrowhead, Big Bear City,
Wrightwood, Victorville, Hesperia, and Apple Valley
115 PM PST Wed Jan 15 2020

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

* WHAT...South to southwest winds 20 to 30 mph with gusts up to 
  55 mph expected.

* WHERE...San Bernardino County Mountains and Apple and Lucerne
  Valleys. Strongest winds along the crests and desert slopes of
  the San Bernardino Mountains.

* WHEN...From 1 PM Thursday to 4 AM PST Friday.

* IMPACTS...Gusty winds could blow around unsecured objects. Tree
  limbs could be blown down. Blowing dust could reduce visibility
  in the desert at times Thursday afternoon.

* ADDITIONAL DETAILS....Travel may become hazardous for high
  profile vehicles traveling along I-15 and Highways 247, 18, and
  395 in the high desert.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

SS/CO

For more information from the National Weather Service visit
http://weather.gov/sandiego
5 follow-up statements
410 
WWUS76 KSGX 160559
NPWSGX

URGENT - WEATHER MESSAGE
National Weather Service SAN DIEGO CA
959 PM PST Wed Jan 15 2020

...GUSTY SOUTHWEST TO WEST WINDS IN THE MOUNTAINS AND DESERTS
THURSDAY AFTERNOON THROUGH FRIDAY MORNING...

.A storm system moving through Southern California Thursday into
Friday will generate gusty southwest to west winds, mainly along
the mountain crests and desert slopes, portions of the high
desert, and through the San Gorgonio Pass.

CAZ056-058-065-161400-
/O.CON.KSGX.WI.Y.0002.200117T0300Z-200117T1200Z/
Riverside County Mountains-San Diego County Mountains-
San Gorgonio Pass Near Banning-
Including the cities of Julian and Desert Hot Springs
959 PM PST Wed Jan 15 2020

...WIND ADVISORY REMAINS IN EFFECT FROM 7 PM THURSDAY TO 4 AM PST
FRIDAY...

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

* WHERE...Riverside County Mountains, San Diego County Mountains 
  and San Gorgonio Pass Near Banning Counties. Strongest winds 
  near the mountain crests and upper desert slopes.

* WHEN...From 7 PM Thursday to 4 AM PST Friday.

* IMPACTS...Gusty winds could blow around unsecured objects. 
  Tree limbs could be blown down.

* ADDITIONAL DETAILS...Travel may become hazardous for high 
  profile vehicles traveling along I-8 east of Pine Valley and I-
   10 through the San Gorgonio Pass.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

CAZ055-060-161400-
/O.CON.KSGX.WI.Y.0002.200116T2100Z-200117T1200Z/
San Bernardino County Mountains-Apple and Lucerne Valleys-
Including the cities of Crestline, Lake Arrowhead, Big Bear City,
Wrightwood, Victorville, Hesperia, and Apple Valley
959 PM PST Wed Jan 15 2020

...WIND ADVISORY REMAINS IN EFFECT FROM 1 PM THURSDAY TO 4 AM PST
FRIDAY...

* WHAT...South to southwest winds 20 to 30 mph with gusts up to 
  55 mph expected.

* WHERE...San Bernardino County Mountains and Apple and Lucerne 
  Valleys. Strongest winds along the crests and desert slopes of 
  the San Bernardino Mountains.

* WHEN...From 1 PM Thursday to 4 AM PST Friday.

* IMPACTS...Gusty winds could blow around unsecured objects. 
  Tree limbs could be blown down. Blowing dust could reduce 
  visibility in the desert at times Thursday afternoon.

* ADDITIONAL DETAILS...Travel may become hazardous for high 
  profile vehicles traveling along I-15 and Highways 247, 18, 
  and 395 in the high desert.

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
712 
WWUS76 KSGX 161122
NPWSGX

URGENT - WEATHER MESSAGE
National Weather Service SAN DIEGO CA
322 AM PST Thu Jan 16 2020

CAZ055-060-162230-
/O.CON.KSGX.WI.Y.0002.200116T2100Z-200117T1200Z/
San Bernardino County Mountains-Apple and Lucerne Valleys-
Including the cities of Crestline, Lake Arrowhead, Big Bear City,
Big Bear Lake, Running Springs, Wrightwood, Victorville, 
Hesperia, and Apple Valley
322 AM PST Thu Jan 16 2020

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

* WHAT...Areas of southwest winds 20 to 30 mph with gusts to 55
  mph.

* WHERE...Apple and Lucerne Valleys and San Bernardino County 
  Mountains.

* WHEN...From 1 PM this afternoon to 4 AM PST Friday.

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

* ADDITIONAL DETAILS...Travel may become hazardous for high
  profile vehicles traveling along Interstate 15 and highways 247,
  18, and 395 in the high desert.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

CAZ056-058-065-162230-
/O.CON.KSGX.WI.Y.0002.200117T0300Z-200117T1200Z/
Riverside County Mountains-San Diego County Mountains-
San Gorgonio Pass Near Banning-
Including the cities of Julian and Desert Hot Springs
322 AM PST Thu Jan 16 2020

...WIND ADVISORY REMAINS IN EFFECT FROM 7 PM THIS EVENING TO 4 AM
PST FRIDAY...

* WHAT...Areas of west winds 20 to 30 mph with gusts to 55 mph.

* WHERE...The desert slopes of the mountains in San Diego and
  Riverside County and the northern Coachella Valley below the San
  Gorgonio Pass.

* WHEN...From 7 PM this evening to 4 AM PST Friday.

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

* ADDITIONAL DETAILS...Travel may become hazardous for high
  profile vehicles traveling along Interstate 8 east of Pine
  Valley and Interstate 10 in the northern Coachella 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

17
816 
WWUS76 KSGX 162135
NPWSGX

URGENT - WEATHER MESSAGE
National Weather Service SAN DIEGO CA
135 PM PST Thu Jan 16 2020

CAZ055-060-170545-
/O.CON.KSGX.WI.Y.0002.000000T0000Z-200117T1200Z/
San Bernardino County Mountains-Apple and Lucerne Valleys-
Including the cities of Crestline, Lake Arrowhead, Big Bear City,
Big Bear Lake, Running Springs, Wrightwood, Victorville, 
Hesperia, and Apple Valley
135 PM PST Thu Jan 16 2020

...WIND ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST FRIDAY...

* WHAT...Areas of southwest winds 20 to 30 mph with gusts to 55 
  mph.

* WHERE...Apple and Lucerne Valleys and San Bernardino County 
  Mountains.

* WHEN...From 1 PM this afternoon to 4 AM PST Friday.

* IMPACTS...Gusty winds could blow around unsecured objects. Tree
  limbs could be blown down and a few power outages may result.
  Travel may become hazardous for high profile vehicles traveling
  along Interstate 15 and highways 247, 18, and 395 in the high
  desert.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

CAZ056-058-065-170545-
/O.CON.KSGX.WI.Y.0002.200117T0300Z-200117T1200Z/
Riverside County Mountains-San Diego County Mountains-
San Gorgonio Pass Near Banning-
Including the cities of Julian and Desert Hot Springs
135 PM PST Thu Jan 16 2020

...WIND ADVISORY REMAINS IN EFFECT FROM 7 PM THIS EVENING TO 4 AM
PST FRIDAY...

* WHAT...Areas of west winds 20 to 30 mph with gusts to 55 mph.

* WHERE...The desert slopes of the mountains in San Diego and 
  Riverside County and the northern Coachella Valley below the 
  San Gorgonio Pass.

* WHEN...From 7 PM this evening to 4 AM PST Friday.

* IMPACTS...Gusty winds could blow around unsecured objects. Tree
  limbs could be blown down and a few power outages may result.
  Travel may become hazardous for high profile vehicles traveling
  along Interstate 8 east of Pine Valley and Interstate 10 in the
  northern Coachella 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
728 
WWUS76 KSGX 170539
NPWSGX

URGENT - WEATHER MESSAGE
National Weather Service SAN DIEGO CA
939 PM PST Thu Jan 16 2020

CAZ055-056-058-060-065-171200-
/O.CON.KSGX.WI.Y.0002.000000T0000Z-200117T1200Z/
San Bernardino County Mountains-Riverside County Mountains-
San Diego 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, Julian, Victorville, 
Hesperia, Apple Valley, and Desert Hot Springs
939 PM PST Thu Jan 16 2020

...WIND ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST FRIDAY...

* WHAT...Areas of southwest winds 20 to 30 mph with gusts to 55 
  mph.

* WHERE...Mountains, High Desert, and San Gorgonio Pass.

* WHEN...Through 4 AM PST Friday.

* IMPACTS...Gusty winds could blow around unsecured objects. 
  Tree limbs could be blown down and a few power outages may 
  result. Travel may become hazardous for high profile vehicles 
  traveling along Interstate 15 and highways 247, 18, and 395 in 
  the high desert.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

CO/Gregoria
For more information from the National Weather Service visit
http://weather.gov/sandiego
998 
WWUS76 KSGX 171217
NPWSGX

URGENT - WEATHER MESSAGE
National Weather Service SAN DIEGO CA
417 AM PST Fri Jan 17 2020

CAZ055-056-058-060-065-171330-
/O.EXP.KSGX.WI.Y.0002.000000T0000Z-200117T1200Z/
San Bernardino County Mountains-Riverside County Mountains-
San Diego 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, Julian, Victorville, 
Hesperia, Apple Valley, and Desert Hot Springs
417 AM PST Fri Jan 17 2020

...WIND ADVISORY HAS EXPIRED...

West winds in the mountains will continue to decrease this 
morning. Peak wind gusts reached 66 mph at Volcan Mountain at 1 
AM, and 65 mph at Harrison Park at midnight. 

$$

Moede

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 15, 2:36 AM PSTWinter Weather AdvisorySGXSan Bernardino51 hr
Jan 15, 1:33 PM PSTSmall Craft AdvisorySGX12 hr

Nearby

Wind Advisories in California, 2020Every wind advisory in 2020

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.