Alert archive / California / High Wind Warnings in 2013

High Wind Warning 9, NWS San Diego, CA

March 20, 2013Riverside County, California

NWS San Diego, CA issued this high wind warning at Mar 20, 2013, 1:31 PM PDT for Riverside County, California. It was in force for 18 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Mar 20, 2013, 1:31 PM PDT (20:31 UTC)
Expired
Mar 21, 2013, 8:00 AM PDT
In force
18 hr
Issued by
NWS San Diego, CA

County Riverside County, CA

The radar

The San Diego radar (KNKX), 134 km from the middle of the area, began a volume at 20:32 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, 8.5 hours before the alert went out and 154 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 2013-03-20Temperature 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 2013-03-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 10 square meters per square second.19395878Sfc1 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
1646 m above ground
0-6 km bulk shear
55 kt
0-1 km storm-relative helicity
10 m²/s²
0-3 km storm-relative helicity
51 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.

477 
WWUS76 KSGX 202031
NPWSGX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN DIEGO CA
131 PM PDT WED MAR 20 2013

...GUSTY WESTERLY WINDS LATE THIS AFTERNOON THROUGH THURSDAY
MORNING...

.A LOW PRESSURE TROUGH PASSING BY TO THE NORTH WILL CREATE
STRONGER ONSHORE FLOW LATE THIS AFTERNOON AND EVENING...RESULTING
IN LOCALLY STRONG AND GUSTY WESTERLY WINDS IN THE DESERTS...ON
THE DESERT MOUNTAIN SLOPES... AND THROUGH THE FAVORED CANYONS AND
PASSES. WINDS WILL BE 20 TO 35 MPH...WITH LOCAL GUSTS UP TO 55
MPH. THE STRONGEST WINDS WILL BE THROUGH THE SAN GORGONIO PASS
WITH GUSTS UP TO 65 MPH POSSIBLE. WINDS WILL DIMINISH DURING THE
DAY THURSDAY.

CAZ061-210445-
/O.UPG.KSGX.WI.Y.0023.130321T0000Z-130321T1500Z/
/O.NEW.KSGX.HW.W.0009.130320T2031Z-130321T1500Z/
COACHELLA VALLEY-
131 PM PDT WED MAR 20 2013

...HIGH WIND WARNING IN EFFECT UNTIL 8 AM PDT THURSDAY...

THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS ISSUED A HIGH WIND
WARNING...WHICH IS IN EFFECT UNTIL 8 AM PDT THURSDAY. THE WIND
ADVISORY IS NO LONGER IN EFFECT. 

* TIMING...NOW THROUGH THURSDAY MORNING.

* WINDS...AREAS OF WEST WINDS 20 TO 35 MPH...WITH GUSTS TO AROUND
  65 MPH...MAINLY NORTH AND EAST OF INTERSTATE 10.

* LOCATION...DESERT FOOTHILLS...AND WEST TO EAST ORIENTED PASSES
  AND CANYONS...ESPECIALLY THE SAN GORGONIO PASS.

* IMPACTS...DRIVING OF HIGH PROFILE VEHICLES WILL BE
  DIFFICULT...ESPECIALLY ALONG PORTIONS OF INTERSTATE 10 AND
  HIGHWAY 111 IN THE NORTHERN COACHELLA VALLEY. DOWNED POWER
  LINES AND BROKEN TREE LIMBS ARE ALSO POSSIBLE.

* OUTLOOK...WINDS WILL WEAKEN DURING THE DAY THURSDAY...AS THE
  TROUGH MOVES OFF TO THE EAST.

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.

&&

$$

CAZ055-056-058-060-062-210445-
/O.CON.KSGX.WI.Y.0023.130321T0000Z-130321T1500Z/
SAN BERNARDINO COUNTY MOUNTAINS-RIVERSIDE COUNTY MOUNTAINS-
SAN DIEGO COUNTY MOUNTAINS-APPLE AND LUCERNE VALLEYS-
SAN DIEGO COUNTY DESERTS-
131 PM PDT WED MAR 20 2013

...WIND ADVISORY REMAINS IN EFFECT FROM 5 PM THIS AFTERNOON TO
8 AM PDT THURSDAY...

A WIND ADVISORY REMAINS IN EFFECT FROM 5 PM THIS AFTERNOON TO
8 AM PDT THURSDAY. 

* TIMING...5 PM TODAY THROUGH 8 AM THURSDAY MORNING.

* WINDS...AREAS OF WEST WINDS 20 TO 35 MPH...WITH LOCAL GUSTS
  AROUND 55 MPH. 

* LOCATION...DESERT FLOOR AND FOOTHILLS AS WELL AS WEST TO EAST
  ORIENTED PASSES AND CANYONS.

* IMPACTS...DRIVING OF HIGH PROFILE VEHICLES WILL BE
  DIFFICULT...ESPECIALLY ALONG PORTIONS OF INTERSTATE 8 THROUGH
  THE SAN DIEGO COUNTY MOUNTAINS. DOWNED POWER LINES AND BROKEN
  TREE LIMBS ARE ALSO POSSIBLE.

* OUTLOOK...WINDS WILL WEAKEN DURING THE DAY THURSDAY...AS THE
  TROUGH MOVES OFF TO THE EAST.

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
3 follow-up statements
775 
WWUS76 KSGX 210352
NPWSGX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN DIEGO CA
852 PM PDT WED MAR 20 2013

...GUSTY WESTERLY WINDS TONIGHT THROUGH THURSDAY MORNING...

.A LOW PRESSURE TROUGH PASSING BY TO THE NORTH WILL CREATE
STRONGER ONSHORE FLOW THROUGH TONIGHT...RESULTING IN LOCALLY
STRONG AND GUSTY WESTERLY WINDS IN THE DESERTS...ON THE DESERT
MOUNTAIN SLOPES...AND THROUGH THE FAVORED CANYONS AND PASSES.
WINDS WILL BE 20 TO 35 MPH...WITH LOCAL GUSTS UP TO 55 MPH. THE
STRONGEST WINDS WILL BE THROUGH THE SAN GORGONIO PASS WITH GUSTS
UP TO 65 MPH POSSIBLE. WINDS WILL DIMINISH DURING THE DAY
THURSDAY.

CAZ061-211500-
/O.CON.KSGX.HW.W.0009.000000T0000Z-130321T1500Z/
COACHELLA VALLEY-
852 PM PDT WED MAR 20 2013

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 8 AM PDT THURSDAY...

* TIMING...NOW THROUGH THURSDAY MORNING.

* WINDS...AREAS OF WEST WINDS 20 TO 35 MPH...WITH GUSTS TO 65
  MPH...MAINLY NORTH AND EAST OF INTERSTATE 10.

* LOCATION...DESERT FOOTHILLS...AND WEST TO EAST ORIENTED 
  PASSES AND CANYONS...ESPECIALLY THE SAN GORGONIO PASS.

* VISIBILITY...AREAS OF BLOWING DUST AND SAND COULD REDUCE
  VISIBILITY TO NEAR ZERO AT TIMES. 

* IMPACTS...DRIVING OF HIGH PROFILE VEHICLES WILL BE 
  DIFFICULT...ESPECIALLY ALONG PORTIONS OF INTERSTATE 10 AND 
  HIGHWAY 111 IN THE NORTHERN COACHELLA VALLEY. DOWNED POWER 
  LINES AND BROKEN TREE LIMBS ARE ALSO POSSIBLE.

* OUTLOOK...WINDS WILL WEAKEN DURING THE DAY THURSDAY...AS THE 
  TROUGH MOVES OFF TO THE EAST.

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.

&&

$$

CAZ055-056-058-060-062-211500-
/O.CON.KSGX.WI.Y.0023.000000T0000Z-130321T1500Z/
SAN BERNARDINO COUNTY MOUNTAINS-RIVERSIDE COUNTY MOUNTAINS-
SAN DIEGO COUNTY MOUNTAINS-APPLE AND LUCERNE VALLEYS-
SAN DIEGO COUNTY DESERTS-
852 PM PDT WED MAR 20 2013

...WIND ADVISORY REMAINS IN EFFECT UNTIL 8 AM PDT THURSDAY...


* TIMING...THROUGH 8 AM THURSDAY MORNING.

* WINDS...AREAS OF WEST WINDS 20 TO 35 MPH...WITH LOCAL GUSTS 
  TO 55 MPH.

* LOCATION...DESERT FLOOR AND FOOTHILLS AS WELL AS WEST TO EAST 
  ORIENTED PASSES AND CANYONS.

* VISIBILITY...BLOWING DUST AND SAND IN THE DESERT AREAS COULD
  REDUCE VISIBILITY TO NEAR ZERO AT TIMES.

* IMPACTS...DRIVING OF HIGH PROFILE VEHICLES WILL BE
  DIFFICULT...ESPECIALLY ALONG PORTIONS OF INTERSTATE 8 THROUGH
  THE SAN DIEGO COUNTY MOUNTAINS AND ALONG STATE ROUTE 247 NEAR
  LANDERS. DOWNED POWER LINES AND BROKEN TREE LIMBS ARE ALSO
  POSSIBLE.

* OUTLOOK...WINDS WILL WEAKEN DURING THE DAY THURSDAY...AS THE 
  TROUGH MOVES OFF TO THE EAST.

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.

&&

$$
909 
WWUS76 KSGX 210921
NPWSGX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN DIEGO CA
221 AM PDT THU MAR 21 2013

...GUSTY WESTERLY WINDS THIS MORNING...

.STRONG ONSHORE FLOW WILL PRODUCE LOCALLY STRONG AND GUSTY
WESTERLY WINDS IN THE DESERTS...ON THE DESERT MOUNTAIN
SLOPES...AND THROUGH MOUNTAIN PASSES. WINDS WILL BE 20 TO 35
MPH...WITH LOCAL GUSTS UP TO 50 MPH. THE STRONGEST WINDS WILL BE
THROUGH THE SAN GORGONIO PASS WITH GUSTS UP TO 60 MPH POSSIBLE.
WINDS WILL DIMINISH DURING THE DAY.

CAZ061-211500-
/O.CON.KSGX.HW.W.0009.000000T0000Z-130321T1500Z/
COACHELLA VALLEY-
221 AM PDT THU MAR 21 2013

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 8 AM PDT THIS
MORNING...

* TIMING...EARLY THIS MORNING.

* WINDS...AREAS OF WEST WINDS 20 TO 35 MPH...WITH GUSTS UP TO 60
  MPH...MAINLY NORTH AND EAST OF INTERSTATE 10.

* LOCATION...DESERT FOOTHILLS...AND WEST TO EAST ORIENTED PASSES 
  AND CANYONS...ESPECIALLY THE SAN GORGONIO PASS. 

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

* IMPACTS...DRIVING OF HIGH PROFILE VEHICLES WILL BE DIFFICULT...
  ESPECIALLY ALONG PORTIONS OF INTERSTATE 10 AND HIGHWAY 62 IN
  THE NORTHERN COACHELLA VALLEY. DOWNED POWER LINES AND BROKEN
  TREE LIMBS ARE ALSO POSSIBLE.

* OUTLOOK...WINDS WILL WEAKEN DURING THE DAY.

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.

&&

$$

CAZ055-056-058-060-062-211500-
/O.CON.KSGX.WI.Y.0023.000000T0000Z-130321T1500Z/
SAN BERNARDINO COUNTY MOUNTAINS-RIVERSIDE COUNTY MOUNTAINS-
SAN DIEGO COUNTY MOUNTAINS-APPLE AND LUCERNE VALLEYS-
SAN DIEGO COUNTY DESERTS-
221 AM PDT THU MAR 21 2013

...WIND ADVISORY REMAINS IN EFFECT UNTIL 8 AM PDT THIS MORNING...

* TIMING...THROUGH 8 AM THIS MORNING.

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

* LOCATION...DESERT FLOOR AND FOOTHILLS AS WELL AS WEST TO EAST 
  ORIENTED PASSES AND CANYONS. 

* VISIBILITY...LOCAL BLOWING DUST AND SAND IN THE DESERT COULD
  REDUCE VISIBILITY AT TIMES.

* IMPACTS...DRIVING OF HIGH PROFILE VEHICLES WILL BE DIFFICULT...
  ESPECIALLY ALONG PORTIONS OF INTERSTATE 8 THROUGH THE SAN 
  DIEGO COUNTY MOUNTAINS AND ALONG STATE ROUTE 247 NEAR LANDERS. 
  DOWNED POWER LINES AND BROKEN TREE LIMBS ARE ALSO POSSIBLE. 

* OUTLOOK...WINDS WILL WEAKEN DURING THE DAY.

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
417 
WWUS76 KSGX 211458
NPWSGX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN DIEGO CA
758 AM PDT THU MAR 21 2013


CAZ061-211600-
/O.EXP.KSGX.HW.W.0009.000000T0000Z-130321T1500Z/
COACHELLA VALLEY-
758 AM PDT THU MAR 21 2013

...HIGH WIND WARNING WILL EXPIRE AT 8 AM PDT THIS MORNING...

THE HIGH WIND WARNING WILL EXPIRE AT 8 AM PDT THIS MORNING. 

WINDS WILL CONTINUE TO WEAKEN TODAY...WITH LOCAL GUSTS
AROUND 35 MPH POSSIBLE. THEREFORE...THE HIGH WIND WARNING WILL
EXPIRE AT 8 AM.

$$

CAZ055-056-058-060-062-211600-
/O.EXP.KSGX.WI.Y.0023.000000T0000Z-130321T1500Z/
SAN BERNARDINO COUNTY MOUNTAINS-RIVERSIDE COUNTY MOUNTAINS-
SAN DIEGO COUNTY MOUNTAINS-APPLE AND LUCERNE VALLEYS-
SAN DIEGO COUNTY DESERTS-
758 AM PDT THU MAR 21 2013

...WIND ADVISORY WILL EXPIRE AT 8 AM PDT THIS MORNING...

THE WIND ADVISORY WILL EXPIRE AT 8 AM PDT THIS MORNING. 

WINDS WILL CONTINUE TO WEAKEN TODAY...WITH LOCAL GUSTS UP TO 35
MPH POSSIBLE THROUGH THIS MORNING. THEREFORE...THE WIND ADVISORY
WILL EXPIRE AT 8 AM.

$$

PALMER

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 19, 7:16 PM PDTWind AdvisorySGXRiverside, San Bernardino, San Diego37 hr
Mar 19, 8:40 PM PDTSmall Craft Advisory for WindsSGX48 hr

Nearby

High Wind Warnings in California, 2013Every high wind warning in 2013

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.