Alert archive / California / High Wind Warnings in 2012

High Wind Warning 6, NWS San Diego, CA

February 10, 2012Riverside County, San Diego County, California

NWS San Diego, CA issued this high wind warning at Feb 10, 2012, 1:45 PM PST for Riverside County, San Diego County, California. It took effect at Feb 11, 2012, 10:00 AM PST. It was in force for . No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Feb 10, 2012, 1:45 PM PST (21:45 UTC)
In effect from
Feb 11, 2012, 10:00 AM PST
Expired
Feb 10, 2012, 9:38 PM PST
In force
Issued by
NWS San Diego, CA

Counties Riverside County, CA, San Diego County, CA

The radar

The San Diego radar (KNKX), 80 km from the middle of the area, began a volume at 21:43 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, 9.8 hours before the alert went out and 100 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 2012-02-10Temperature 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 2012-02-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 28 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
2343 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
28 m²/s²
0-3 km storm-relative helicity
78 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.

577 
WWUS76 KSGX 102145
NPWSGX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN DIEGO CA
145 PM PST FRI FEB 10 2012

...STRONG GUSTY WEST WINDS POSSIBLE SATURDAY MORNING THROUGH
SUNDAY SUNDAY...

.AN UPPER LEVEL TROUGH OF LOW PRESSURE MOVING THROUGH SOUTHERN
CALIFORNIA SATURDAY AND SUNDAY WILL GENERATE MODERATE TO STRONG
GUSTY WEST WINDS IN THE MOUNTAINS AND DESERTS. STRONGEST WINDS
WILL BE OVER THE RIVERSIDE AND SAN DIEGO COUNTY MOUNTAINS AND
DESERTS SATURDAY AFTERNOON AND SATURDAY NIGHT. WINDS WILL
GRADUALLY DECREASE SUNDAY MORNING...AS THE TROUGH EXITS THE
REGION.

CAZ056-058-061-062-110600-
/O.UPG.KSGX.HW.A.0006.120211T1500Z-120213T0000Z/
/O.NEW.KSGX.HW.W.0006.120211T1800Z-120212T1800Z/
RIVERSIDE COUNTY MOUNTAINS-SAN DIEGO COUNTY MOUNTAINS-
COACHELLA VALLEY-SAN DIEGO COUNTY DESERTS-
145 PM PST FRI FEB 10 2012

...HIGH WIND WARNING IN EFFECT FROM 10 AM SATURDAY TO 10 AM PST
SUNDAY...

THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS ISSUED A HIGH WIND
WARNING...WHICH IS IN EFFECT FROM 10 AM SATURDAY TO 10 AM PST
SUNDAY. THE HIGH WIND WATCH IS NO LONGER IN EFFECT. 

* TIMING: GUSTY WEST WINDS WILL DEVELOP SATURDAY MORNING...
  PEAKING SATURDAY AFTERNOON AND NIGHT. WINDS WILL GRADUALLY
  WEAKEN SUNDAY MORNING.

* WINDS: WEST WINDS 25 TO 35 MPH...WITH GUSTS TO 60 MPH. 

* VISIBILITY: VISIBILITY MAY LOCALLY REDUCE TO NEAR A QUARTER MILE IN
  BLOWING DUST IN THE DESERTS.

* IMPACTS: WINDS WILL MAKE DRIVING DIFFICULT...ESPECIALLY FOR
  MOTORISTS WITH HIGH PROFILE VEHICLES. FREEWAYS MOST LIKELY TO
  BE IMPACTED ARE INTERSTATE 10 AND HIGHWAY 111 NEAR THE BANNING
  PASS...AND INTERSTATE 8 NEAR THE SAN DIEGO AND IMPERIAL COUNTY
  BORDER. WATCHED FOR DOWNED TREES AND 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.

&&

$$

CAZ055-060-110600-
/O.NEW.KSGX.WI.Y.0009.120211T1800Z-120212T1800Z/
SAN BERNARDINO COUNTY MOUNTAINS-APPLE AND LUCERNE VALLEYS-
145 PM PST FRI FEB 10 2012

...WIND ADVISORY IN EFFECT FROM 10 AM SATURDAY TO 10 AM PST
SUNDAY...

THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM 10 AM SATURDAY TO 10 AM PST
SUNDAY. 

* TIMING: GUSTY SOUTHWEST TO WEST WINDS WILL DEVELOP SATURDAY
  MORNING...PEAKING SATURDAY AFTERNOON AND NIGHT. WINDS WILL
  GRADUALLY WEAKEN SUNDAY MORNING.

* WINDS: SOUTHWEST TO WEST WINDS 15 TO 30 MPH...WITH GUSTS UP TO
  50 MPH.

* VISIBILITY: VISIBILITY MAY LOCALLY REDUCE TO NEAR A QUARTER
  MILE IN BLOWING DUST IN THE DESERTS.

* IMPACTS: WINDS WILL MAKE DRIVING DIFFICULT...ESPECIALLY FOR
  MOTORISTS WITH HIGH PROFILE VEHICLES. FREEWAYS MOST LIKELY TO BE
  IMPACTED ARE INTERSTATE 15 AND HIGHWAY 395...18...AND 247.
  WATCHED FOR DOWNED TREES AND 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.

&&

$$
1 follow-up statement
407 
WWUS76 KSGX 110538
NPWSGX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN DIEGO CA
938 PM PST FRI FEB 10 2012

...STRONG GUSTY WEST WINDS POSSIBLE SATURDAY MORNING THROUGH
SATURDAY NIGHT...

.AN UPPER LEVEL TROUGH OF LOW PRESSURE MOVING THROUGH SOUTHERN
CALIFORNIA SATURDAY AND SUNDAY WILL GENERATE MODERATE TO STRONG
WEST WINDS IN THE MOUNTAINS AND DESERTS. STRONGEST WINDS WILL BE
OVER THE RIVERSIDE AND SAN DIEGO COUNTY MOUNTAINS AND DESERTS
SATURDAY AFTERNOON AND SATURDAY NIGHT. WINDS WILL GRADUALLY
DECREASE SUNDAY MORNING...AS THE TROUGH EXITS THE REGION.

CAZ056-058-061-062-111300-
/O.CAN.KSGX.HW.W.0006.120211T1800Z-120212T1800Z/
/O.EXB.KSGX.WI.Y.0009.120211T1800Z-120212T1500Z/
RIVERSIDE COUNTY MOUNTAINS-SAN DIEGO COUNTY MOUNTAINS-
COACHELLA VALLEY-SAN DIEGO COUNTY DESERTS-
938 PM PST FRI FEB 10 2012

...WIND ADVISORY IN EFFECT FROM 10 AM SATURDAY TO 7 AM PST
SUNDAY...
...HIGH WIND WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM 10 AM SATURDAY TO 7 AM PST
SUNDAY. THE HIGH WIND WARNING HAS BEEN CANCELLED. 

* TIMING: GUSTY SOUTHWEST TO WEST WINDS WILL DEVELOP SATURDAY
  MORNING...PEAKING SATURDAY AFTERNOON AND NIGHT. WINDS WILL
  GRADUALLY WEAKEN SUNDAY MORNING.

* WINDS: SOUTHWEST TO WEST WINDS 15 TO 30 MPH...WITH GUSTS UP TO
  50 MPH.

* VISIBILITY: VISIBILITY MAY LOCALLY REDUCE TO NEAR A QUARTER
  MILE IN BLOWING DUST IN THE DESERTS.

* IMPACTS: WINDS WILL MAKE DRIVING DIFFICULT...ESPECIALLY FOR
  MOTORISTS WITH HIGH PROFILE VEHICLES. FREEWAYS MOST LIKELY TO BE
  IMPACTED ARE INTERSTATE 15 AND HIGHWAY 395...18...AND 247.
  WATCHED FOR DOWNED TREES AND 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.

&&

$$

CAZ055-060-111300-
/O.EXT.KSGX.WI.Y.0009.120211T1800Z-120212T1500Z/
SAN BERNARDINO COUNTY MOUNTAINS-APPLE AND LUCERNE VALLEYS-
938 PM PST FRI FEB 10 2012

...WIND ADVISORY NOW IN EFFECT FROM 10 AM SATURDAY TO 7 AM PST
SUNDAY...

THE WIND ADVISORY IS NOW IN EFFECT FROM 10 AM SATURDAY TO 7 AM PST
SUNDAY.

* TIMING: GUSTY SOUTHWEST TO WEST WINDS WILL DEVELOP SATURDAY
  MORNING...PEAKING SATURDAY AFTERNOON AND NIGHT. WINDS WILL
  GRADUALLY WEAKEN SUNDAY MORNING.

* WINDS: SOUTHWEST TO WEST WINDS 15 TO 30 MPH...WITH GUSTS UP TO
  50 MPH.

* VISIBILITY: VISIBILITY MAY LOCALLY REDUCE TO NEAR A QUARTER
  MILE IN BLOWING DUST IN THE DESERTS.

* IMPACTS: WINDS WILL MAKE DRIVING DIFFICULT...ESPECIALLY FOR
  MOTORISTS WITH HIGH PROFILE VEHICLES. FREEWAYS MOST LIKELY TO BE
  IMPACTED ARE INTERSTATE 15 AND HIGHWAY 395...18...AND 247.
  WATCHED FOR DOWNED TREES AND 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.

&&

$$

MM

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 10, 3:05 AM PSTHigh Wind WatchSGXRiverside, San Diego11 hr
Feb 10, 1:27 PM PSTSmall Craft AdvisorySGX43 hr
Feb 10, 1:27 PM PSTSmall Craft Advisory for Hazardous SeasSGX32 hr
Feb 10, 1:45 PM PSTWind AdvisorySGXRiverside, San Bernardino, San Diego70 hr

Nearby

High Wind Warnings in California, 2012Every high wind warning 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.