Alert archive / California / Wind Advisories in 2012

Wind Advisory 45, NWS San Diego, CA

November 7, 2012Riverside County, San Bernardino County, San Diego County, California

NWS San Diego, CA issued this wind advisory at Nov 7, 2012, 3:40 AM PST for Riverside County, San Bernardino County, San Diego County, California. It took effect at Nov 8, 2012, 12:00 AM PST. It was in force for 4 hr.

The area

The counties it named.

The facts

Issued
Nov 7, 2012, 3:40 AM PST (11:40 UTC)
In effect from
Nov 8, 2012, 12:00 AM PST
Expired
Nov 8, 2012, 4:18 AM PST
In force
4 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 11:42 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 00:00Z, 11.7 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 00:00Z on 2012-11-07Temperature 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 00:00Z on 2012-11-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -3 square meters per square second.1939Sfc1 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
0 m above ground
0-6 km bulk shear
8 kt
0-1 km storm-relative helicity
-3 m²/s²
0-3 km storm-relative helicity
52 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

431 
WWUS76 KSGX 071140
NPWSGX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN DIEGO CA
340 AM PST WED NOV 7 2012

...PERIODS OF STRONG GUSTY WEST WINDS FOR THE MOUNTAINS AND
DESERTS FOR LATE TONIGHT THROUGH LATE FRIDAY NIGHT...

.A COLD LOW PRESSURE SYSTEM FROM THE GULF OF ALASKA WILL BRING
STRONGER ONSHORE FLOW WITH PERIODS OF STRONG GUSTY WEST WINDS IN
THE MOUNTAINS AND DESERTS FOR LATE TONIGHT THROUGH LATE FRIDAY
NIGHT.

CAZ055-056-058-060>062-072200-
/O.NEW.KSGX.WI.Y.0045.121108T0800Z-121110T1100Z/
SAN BERNARDINO COUNTY MOUNTAINS-RIVERSIDE COUNTY MOUNTAINS-
SAN DIEGO COUNTY MOUNTAINS-APPLE AND LUCERNE VALLEYS-
COACHELLA VALLEY-SAN DIEGO COUNTY DESERTS-
340 AM PST WED NOV 7 2012

...WIND ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 3 AM PST
SATURDAY...

THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM MIDNIGHT TONIGHT TO 3 AM PST
SATURDAY. 

* WINDS...AREAS OF WEST WINDS 20 TO 30 MPH WITH GUSTS TO 55 MPH.

* LOCATION...STRONGEST WINDS NEAR RIDGE TOPS...ALONG DESERT
  MOUNTAIN SLOPES...AND ADJACENT DESERT AREAS.

* VISIBILITY...IN THE DESERTS...AREAS OF BLOWING DUST AND SAND
  COULD REDUCE VISIBILITY AT TIMES.

* IMPACTS...THE WINDS WILL MAKE DRIVING DIFFICULT...ESPECIALLY FOR
  MOTORISTS WITH HIGH PROFILE VEHICLES. WATCH FOR BROKEN TREE
  LIMBS AND DOWNED POWER LINES. IN THE DESERTS...AREAS OF BLOWING
  DUST AND SAND COULD REDUCE VISIBILITY AT TIMES.

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.

&&

$$

CURRENT WIND GUST REPORTS ON THE WEB:
HTTP://WWW.WRH.NOAA.GOV/SGX/GMAP/INDEX.PHP

MAX DAILY WIND GUST REPORTS ON THE WEB:
HTTP://WWW.WRH.NOAA.GOV/SGX/KML/WIND.PHP?WFO=SGX

17
3 follow-up statements
820 
WWUS76 KSGX 072109
NPWSGX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN DIEGO CA
109 PM PST WED NOV 7 2012

...PERIODS OF STRONG GUSTY WEST WINDS FOR THE MOUNTAINS AND
DESERTS THURSDAY THROUGH LATE FRIDAY NIGHT...

.A COLD LOW PRESSURE SYSTEM FROM THE GULF OF ALASKA WILL BRING STRONG
GUSTY WEST WINDS TO THE MOUNTAINS AND DESERTS THURSDAY THROUGH LATE
FRIDAY NIGHT.

CAZ055-056-058-060>062-080730-
/O.CON.KSGX.WI.Y.0045.121108T0800Z-121110T1100Z/
SAN BERNARDINO COUNTY MOUNTAINS-RIVERSIDE COUNTY MOUNTAINS-
SAN DIEGO COUNTY MOUNTAINS-APPLE AND LUCERNE VALLEYS-
COACHELLA VALLEY-SAN DIEGO COUNTY DESERTS-
109 PM PST WED NOV 7 2012

...WIND ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 3 AM
PST SATURDAY...

* WINDS...AREAS OF WEST WINDS 20 TO 30 MPH WITH GUSTS TO 55 MPH.

* LOCATION...STRONGEST WINDS NEAR RIDGE TOPS...ALONG DESERT 
  MOUNTAIN SLOPES...AND ADJACENT DESERT AREAS. 

* VISIBILITY...IN THE DESERTS...AREAS OF BLOWING DUST AND SAND 
  COULD REDUCE VISIBILITY AT TIMES. 

* IMPACTS...THE WINDS WILL MAKE DRIVING DIFFICULT...ESPECIALLY 
  FOR MOTORISTS WITH HIGH PROFILE VEHICLES. WATCH FOR BROKEN 
  TREE LIMBS AND DOWNED POWER LINES. IN THE DESERTS...AREAS OF 
  BLOWING DUST AND SAND COULD REDUCE VISIBILITY AT TIMES. 

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.

&&

$$

CURRENT WIND REPORTS ON THE WEB:
HTTP://WWW.WRH.NOAA.GOV/SGX/GMAP/INDEX.PHP

MAX DAILY WIND GUST REPORTS ON THE WEB:
HTTP://WWW.WRH.NOAA.GOV/SGX/KML/WIND.PHP?WFO=SGX

MM
549 
WWUS76 KSGX 080325
NPWSGX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN DIEGO CA
725 PM PST WED NOV 7 2012

...PERIODS OF STRONG GUSTY WEST WINDS FOR THE MOUNTAINS AND
DESERTS THURSDAY THROUGH LATE FRIDAY NIGHT...

.A COLD LOW PRESSURE SYSTEM FROM THE GULF OF ALASKA WILL BRING
STRONG GUSTY WEST WINDS TO THE MOUNTAINS AND DESERTS THURSDAY
THROUGH LATE FRIDAY NIGHT. SOUTHWEST TO WEST WINDS WILL START TO
INCREASE LATE TONIGHT AND CONTINUE TO INCREASE THROUGH THE DAY ON
THURSDAY. THERE IS THE POTENTIAL FOR EVEN STRONG WINDS TO DEVELOP
THURSDAY NIGHT AND FRIDAY...ESPECIALLY THROUGH AND BELOW THE
FAVORED PASSES AND CANYONS. 

CAZ055-056-058-060>062-081230-
/O.CON.KSGX.WI.Y.0045.121108T0800Z-121110T1100Z/
SAN BERNARDINO COUNTY MOUNTAINS-RIVERSIDE COUNTY MOUNTAINS-
SAN DIEGO COUNTY MOUNTAINS-APPLE AND LUCERNE VALLEYS-
COACHELLA VALLEY-SAN DIEGO COUNTY DESERTS-
725 PM PST WED NOV 7 2012

...WIND ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 3 AM
PST SATURDAY...

* WINDS...AREAS OF WEST WINDS 20 TO 30 MPH...WITH GUSTS TO 55 MPH.
  LOCAL GUSTS UP TO 70 MPH POSSIBLE LATE THURSDAY AND FRIDAY
  THROUGH AND BELOW THE FAVORED PASSES AND CANYONS.

* LOCATION...STRONGEST WINDS NEAR RIDGE TOPS...ALONG DESERT 
  MOUNTAIN SLOPES...AND ADJACENT DESERT AREAS. 

* VISIBILITY...IN THE DESERTS...AREAS OF BLOWING DUST AND SAND 
  COULD REDUCE VISIBILITY AT TIMES. 

* IMPACTS...THE WINDS WILL MAKE DRIVING DIFFICULT...ESPECIALLY 
  FOR MOTORISTS WITH HIGH PROFILE VEHICLES. WATCH FOR BROKEN 
  TREE LIMBS AND DOWNED POWER LINES. IN THE DESERTS...AREAS OF 
  BLOWING DUST AND SAND COULD REDUCE VISIBILITY AT TIMES. 

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.

&&

$$

PALMER
713 
WWUS76 KSGX 081218
NPWSGX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN DIEGO CA
418 AM PST THU NOV 8 2012

...PERIODS OF STRONG GUSTY WEST WINDS FOR THE MOUNTAINS AND
DESERTS THROUGH LATE FRIDAY NIGHT...

.A COLD LOW PRESSURE SYSTEM FROM THE GULF OF ALASKA WILL BRING
STRONG GUSTY WEST WINDS TO THE MOUNTAINS AND DESERTS THROUGH LATE
FRIDAY NIGHT WITH STRONGEST WINDS FOR THIS MORNING INTO FRIDAY
MORNING. 

CAZ055-056-058-060>062-082200-
/O.UPG.KSGX.WI.Y.0045.000000T0000Z-121110T1100Z/
/O.NEW.KSGX.HW.W.0021.121108T1218Z-121109T1800Z/
/O.NEW.KSGX.WI.Y.0046.121109T1800Z-121110T1100Z/
SAN BERNARDINO COUNTY MOUNTAINS-RIVERSIDE COUNTY MOUNTAINS-
SAN DIEGO COUNTY MOUNTAINS-APPLE AND LUCERNE VALLEYS-
COACHELLA VALLEY-SAN DIEGO COUNTY DESERTS-
418 AM PST THU NOV 8 2012

...HIGH WIND WARNING IN EFFECT UNTIL 10 AM PST FRIDAY...
...WIND ADVISORY IN EFFECT FROM 10 AM FRIDAY TO 3 AM PST
SATURDAY...

THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS ISSUED A HIGH WIND
WARNING...WHICH IS IN EFFECT UNTIL 10 AM PST FRIDAY. A WIND
ADVISORY HAS ALSO BEEN ISSUED. THIS WIND ADVISORY IS IN EFFECT
FROM 10 AM FRIDAY TO 3 AM PST SATURDAY. THE WIND ADVISORY IS NO
LONGER IN EFFECT. 

* WINDS...FOR THIS MORNING THROUGH FRIDAY MORNING...AREAS OF WEST
  TO SOUTHWEST WINDS 20 TO 30 MPH WITH GUSTS TO 55 MPH. LOCAL
  GUSTS TO 65 MPH. FOR FRIDAY AFTERNOON THROUGH LATE FRIDAY
  NIGHT...AREAS OF WEST WINDS 20 TO 30 MPH WITH GUSTS TO 50 MPH.

* LOCATION...STRONGEST WINDS NEAR RIDGE TOPS...ALONG DESERT 
  MOUNTAIN SLOPES...AND ADJACENT DESERT AREAS. 

* VISIBILITY...IN THE DESERTS...AREAS OF BLOWING DUST AND SAND 
  COULD REDUCE VISIBILITY AT TIMES. 

* IMPACTS...THE WINDS WILL MAKE DRIVING DIFFICULT...ESPECIALLY FOR
  MOTORISTS WITH HIGH PROFILE VEHICLES. WATCH FOR BROKEN TREE
  LIMBS AND DOWNED POWER LINES. IN THE DESERTS...AREAS OF BLOWING
  DUST AND SAND COULD REDUCE VISIBILITY AT TIMES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE.

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.

&&

$$

CURRENT WIND GUST REPORTS ON THE WEB:
HTTP://WWW.WRH.NOAA.GOV/SGX/GMAP/INDEX.PHP

MAX DAILY WIND GUST REPORTS ON THE WEB:
HTTP://WWW.WRH.NOAA.GOV/SGX/KML/WIND.PHP?WFO=SGX

17

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 6, 4:42 PM PSTDense Fog AdvisorySGXSan Diego8 hr

Nearby

Wind Advisories in California, 2012Every wind advisory in 2012

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.