Alert archive / California / High Wind Watches in 2012

High Wind Watch 9, NWS San Diego, CA

February 25, 2012Riverside County, San Bernardino County, San Diego County, California

NWS San Diego, CA issued this high wind watch at Feb 25, 2012, 3:14 AM PST for Riverside County, San Bernardino County, San Diego County, California. It took effect at Feb 26, 2012, 6:00 PM PST. It was in force for .

The area

The counties it named.

The facts

Issued
Feb 25, 2012, 3:14 AM PST (11:14 UTC)
In effect from
Feb 26, 2012, 6:00 PM PST
Expired
Feb 26, 2012, 2:49 AM PST
In force
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 11:14 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, 11.2 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 2012-02-25Temperature 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 2012-02-25The 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
1876 m above ground
0-6 km bulk shear
13 kt
0-1 km storm-relative helicity
-27 m²/s²
0-3 km storm-relative helicity
-29 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.

242 
WWUS76 KSGX 251114
NPWSGX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN DIEGO CA
314 AM PST SAT FEB 25 2012

...VERY WINDY FOR SUNDAY NIGHT THROUGH MONDAY NIGHT...

.A COLD LOW PRESSURE SYSTEM FROM THE NORTHWEST WILL BRING STRONG
GUSTY WEST WINDS SUNDAY NIGHT THROUGH MONDAY NIGHT. STRONGEST
WINDS ARE EXPECTED IN THE MOUNTAINS AND DESERTS WITH THE PERIOD OF
STRONGEST WINDS MONDAY AFTERNOON AND EVENING. IN THE MOUNTAINS AND
DESERTS...STRONGEST WIND GUSTS TO AROUND 65 MPH ARE POSSIBLE WITH
GUSTS TO AROUND 35 MPH IN COASTAL AND VALLEY AREAS.

CAZ055-056-058-060>062-252200-
/O.NEW.KSGX.HW.A.0009.120227T0200Z-120228T1100Z/
SAN BERNARDINO COUNTY MOUNTAINS-RIVERSIDE COUNTY MOUNTAINS-
SAN DIEGO COUNTY MOUNTAINS-APPLE AND LUCERNE VALLEYS-
COACHELLA VALLEY-SAN DIEGO COUNTY DESERTS-
314 AM PST SAT FEB 25 2012

...HIGH WIND WATCH IN EFFECT FROM SUNDAY EVENING THROUGH LATE
MONDAY NIGHT...

THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS ISSUED A HIGH WIND
WATCH...WHICH IS IN EFFECT FROM SUNDAY EVENING THROUGH LATE
MONDAY NIGHT. 

* TIMING: PERIODS OF STRONG GUSTY WINDS SUNDAY NIGHT THROUGH
  MONDAY NIGHT WITH STRONGEST WINDS MONDAY AFTERNOON AND EVENING.

* WINDS: AREAS OF WEST WINDS 25 TO 35 MPH WITH GUSTS TO 65 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 LOCALLY REDUCE VISIBILITY TO NEAR ZERO 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.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WATCH MEANS THERE IS THE POTENTIAL FOR A HAZARDOUS
HIGH WIND EVENT. SUSTAINED WINDS OF AT LEAST 40 MPH...OR GUSTS OF
58 MPH OR STRONGER MAY OCCUR. CONTINUE TO MONITOR THE LATEST
FORECASTS.

&&

$$

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

MARTIN
3 follow-up statements
429 
WWUS76 KSGX 252115
NPWSGX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN DIEGO CA
115 PM PST SAT FEB 25 2012

...WINDY CONDITIONS IN THE MOUNTAINS AND DESERTS FOR SUNDAY NIGHT
THROUGH MONDAY NIGHT...

.A COLD LOW PRESSURE SYSTEM FROM THE NORTHWEST WILL BRING STRONG AND
GUSTY WEST WINDS SUNDAY NIGHT THROUGH MONDAY NIGHT. STRONGEST
WINDS ARE EXPECTED IN THE MOUNTAINS AND DESERTS WITH THE PERIOD
OF STRONGEST WINDS MONDAY AFTERNOON AND EVENING. IN THE MOUNTAINS
AND DESERTS...GUSTS TO AROUND 60 MPH ARE POSSIBLE WITH GUSTS TO
AROUND 30 MPH IN COASTAL AND VALLEY AREAS.

CAZ055-056-058-060>062-260600-
/O.CON.KSGX.HW.A.0009.120227T0200Z-120228T1100Z/
SAN BERNARDINO COUNTY MOUNTAINS-RIVERSIDE COUNTY MOUNTAINS-
SAN DIEGO COUNTY MOUNTAINS-APPLE AND LUCERNE VALLEYS-
COACHELLA VALLEY-SAN DIEGO COUNTY DESERTS-
115 PM PST SAT FEB 25 2012

...HIGH WIND WATCH REMAINS IN EFFECT FROM SUNDAY EVENING THROUGH
LATE MONDAY NIGHT...

A HIGH WIND WATCH REMAINS IN EFFECT FROM SUNDAY EVENING THROUGH
LATE MONDAY NIGHT. 

* TIMING: SUNDAY NIGHT THROUGH MONDAY NIGHT WITH STRONGEST WINDS
  MONDAY AFTERNOON AND EVENING.

* WINDS: AREAS OF WEST WINDS 25 TO 35 MPH WITH GUSTS TO 60 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
  LOCALLY REDUCE VISIBILITY TO NEAR ZERO 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.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WATCH MEANS THERE IS THE POTENTIAL FOR A HAZARDOUS
HIGH WIND EVENT. SUSTAINED WINDS OF AT LEAST 40 MPH...OR GUSTS OF
58 MPH OR STRONGER MAY OCCUR. CONTINUE TO MONITOR THE LATEST
FORECASTS.

&&

$$

JAD
909 
WWUS76 KSGX 260500
NPWSGX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN DIEGO CA
900 PM PST SAT FEB 25 2012

...WINDY CONDITIONS IN THE MOUNTAINS AND DESERTS FOR SUNDAY NIGHT
THROUGH MONDAY NIGHT...

.A COLD LOW PRESSURE SYSTEM FROM THE NORTHWEST WILL BRING STRONG
AND GUSTY WEST WINDS SUNDAY NIGHT THROUGH MONDAY NIGHT. STRONGEST
WINDS WILL BE IN THE MOUNTAINS AND DESERTS...WITH THE PERIOD OF
STRONGEST WINDS MONDAY AFTERNOON AND EVENING. IN THE MOUNTAINS AND
DESERTS...GUSTS TO AROUND 60 MPH ARE POSSIBLE. IN THE COASTAL AND
VALLEY AREAS...WIND GUSTS UP TO 30 MPH WILL BE POSSIBLE.

CAZ055-056-058-060>062-261300-
/O.CON.KSGX.HW.A.0009.120227T0200Z-120228T1100Z/
SAN BERNARDINO COUNTY MOUNTAINS-RIVERSIDE COUNTY MOUNTAINS-
SAN DIEGO COUNTY MOUNTAINS-APPLE AND LUCERNE VALLEYS-
COACHELLA VALLEY-SAN DIEGO COUNTY DESERTS-
900 PM PST SAT FEB 25 2012

...HIGH WIND WATCH REMAINS IN EFFECT FROM SUNDAY EVENING THROUGH
LATE MONDAY NIGHT...

A HIGH WIND WATCH REMAINS IN EFFECT FROM SUNDAY EVENING THROUGH
LATE MONDAY NIGHT. 

* TIMING: SUNDAY NIGHT THROUGH MONDAY NIGHT...WITH STRONGEST
  WINDS MONDAY AFTERNOON AND EVENING.

* WINDS: AREAS OF WEST WINDS 25 TO 35 MPH...WITH GUSTS TO 60 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 LOCALLY REDUCE VISIBILITY TO NEAR ZERO 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.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WATCH MEANS THERE IS THE POTENTIAL FOR A HAZARDOUS
HIGH WIND EVENT. SUSTAINED WINDS OF AT LEAST 40 MPH...OR GUSTS OF
58 MPH OR STRONGER MAY OCCUR. CONTINUE TO MONITOR THE LATEST
FORECASTS.

&&

$$

PALMER
555 
WWUS76 KSGX 261049
NPWSGX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN DIEGO CA
249 AM PST SUN FEB 26 2012

...VERY WINDY FOR THE MOUNTAINS AND DESERTS FOR LATE TONIGHT
THROUGH LATE MONDAY NIGHT...
...WINDY FOR COASTAL AND VALLEY AREAS MONDAY AFTERNOON...

.A COLD LOW PRESSURE SYSTEM FROM THE NORTHWEST WILL BRING STRONG
AND GUSTY WEST WINDS LATE TONIGHT THROUGH LATE MONDAY NIGHT.
STRONGEST WINDS WILL BE IN THE MOUNTAINS AND DESERTS...WITH THE
PERIOD OF STRONGEST WINDS MONDAY AFTERNOON AND EVENING. IN THE
MOUNTAINS AND DESERTS...GUSTS TO AROUND 60 MPH ARE POSSIBLE. IN
COASTAL AND VALLEY AREAS...WIND GUSTS TO 40 MPH WILL BE POSSIBLE.

CAZ055-060-262200-
/O.UPG.KSGX.HW.A.0009.120227T0200Z-120228T1100Z/
/O.NEW.KSGX.HW.W.0010.120227T0800Z-120228T1100Z/
SAN BERNARDINO COUNTY MOUNTAINS-APPLE AND LUCERNE VALLEYS-
249 AM PST SUN FEB 26 2012

...HIGH WIND WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 3 AM PST
TUESDAY...

THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS ISSUED A HIGH WIND
WARNING...WHICH IS IN EFFECT FROM MIDNIGHT TONIGHT TO 3 AM PST
TUESDAY. THE HIGH WIND WATCH IS NO LONGER IN EFFECT. 

* TIMING: LATE TONIGHT THROUGH LATE MONDAY NIGHT...WITH STRONGEST
  WINDS MONDAY AFTERNOON AND EVENING.

* WINDS: AREAS OF WEST WINDS 25 TO 35 MPH...WITH GUSTS TO 60 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 LOCALLY REDUCE VISIBILITY TO NEAR ZERO 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.

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.

&&

$$

CAZ056-058-061-062-262200-
/O.UPG.KSGX.HW.A.0009.120227T0200Z-120228T1100Z/
/O.NEW.KSGX.HW.W.0010.120227T0800Z-120228T1100Z/
RIVERSIDE COUNTY MOUNTAINS-SAN DIEGO COUNTY MOUNTAINS-
COACHELLA VALLEY-SAN DIEGO COUNTY DESERTS-
249 AM PST SUN FEB 26 2012

...HIGH WIND WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 3 AM PST
TUESDAY...

THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS ISSUED A HIGH WIND
WARNING...WHICH IS IN EFFECT FROM MIDNIGHT TONIGHT TO 3 AM PST
TUESDAY. THE HIGH WIND WATCH IS NO LONGER IN EFFECT. 

* TIMING: LATE TONIGHT THROUGH LATE MONDAY NIGHT...WITH STRONGEST
  WINDS MONDAY AFTERNOON AND EVENING.

* WINDS: AREAS OF WEST WINDS 25 TO 35 MPH...WITH GUSTS TO 60 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
  LOCALLY REDUCE VISIBILITY TO NEAR ZERO 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.

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.

&&

$$

CAZ042-043-048-050-057-262200-
/O.NEW.KSGX.WI.Y.0016.120227T2000Z-120228T0200Z/
ORANGE COUNTY COASTAL AREAS-SAN DIEGO COUNTY COASTAL AREAS-
SAN BERNARDINO AND RIVERSIDE COUNTY VALLEYS-THE INLAND EMPIRE-
SAN DIEGO COUNTY VALLEYS-SANTA ANA MOUNTAINS AND FOOTHILLS-
249 AM PST SUN FEB 26 2012

...WIND ADVISORY IN EFFECT FROM NOON TO 6 PM PST MONDAY...

THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM NOON TO 6 PM PST MONDAY. 

* TIMING: LATE MONDAY MORNING THROUGH EARLY MONDAY EVENING WITH
  STRONGEST AND MOST WIDESPREAD WINDS MONDAY AFTERNOON.

* WINDS: AREAS OF WEST WINDS 15 TO 25 MPH WITH GUSTS TO 40 MPH.

* IMPACTS: THE WINDS WILL MAKE DRIVING DIFFICULT...ESPECIALLY FOR
  MOTORISTS WITH HIGH PROFILE VEHICLES. WATCH FOR BROKEN TREE
  LIMBS AND 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.

&&

$$

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

MARTIN

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 25, 12:56 PM PSTWinter Storm WatchSGXRiverside, San Bernardino, San Diego14 hr

Nearby

High Wind Watches in California, 2012Every high wind watch 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.