Alert archive / California / High Wind Warnings in 2015

High Wind Warning 6, NWS San Diego, CA

December 24, 2015Riverside County, San Bernardino County, San Diego County, California

NWS San Diego, CA issued this high wind warning at Dec 24, 2015, 2:59 AM PST for Riverside County, San Bernardino County, San Diego County, California. It took effect at Dec 24, 2015, 4:00 PM PST. It was in force for 11 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
Dec 24, 2015, 2:59 AM PST (10:59 UTC)
In effect from
Dec 24, 2015, 4:00 PM PST
Expired
Dec 25, 2015, 2:33 AM PST
In force
11 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 11:03 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, 11.0 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 2015-12-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 16 joules per kilogram.LCLEL10008507005003002001001 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 2015-12-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -29 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
16 J/kg
Mixed-layer CIN
0 J/kg
Mixed-layer LCL
698 m above ground
0-6 km bulk shear
63 kt
0-1 km storm-relative helicity
-29 m²/s²
0-3 km storm-relative helicity
-73 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.

136 
WWUS76 KSGX 241059
NPWSGX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN DIEGO CA
259 AM PST THU DEC 24 2015

...STRONG WINDS ACROSS THE DESERTS AND MOUNTAINS FROM LATE THIS
AFTERNOON THROUGH CHRISTMAS MORNING...

.STRONG WEST WINDS WILL DEVELOP LATE THIS AFTERNOON AND CONTINUE THROUGH
CHRISTMAS MORNING FOR THE HIGH DESERT...MOUNTAINS...AND THE
MOUNTAIN DESERT SLOPES...AS A LOW PRESSURE TROUGH DIGS ACROSS THE
REGION. WEST WINDS WILL DIMINISH THROUGHOUT THE DAY ON CHRISTMAS.

CAZ055-056-058-060-065-242130-
/O.UPG.KSGX.HW.A.0005.151225T0000Z-151225T1800Z/
/O.NEW.KSGX.HW.W.0006.151225T0000Z-151225T1800Z/
SAN BERNARDINO COUNTY MOUNTAINS-RIVERSIDE COUNTY MOUNTAINS-
SAN DIEGO COUNTY MOUNTAINS-APPLE AND LUCERNE VALLEYS-
SAN GORGONIO PASS NEAR BANNING-
259 AM PST THU DEC 24 2015

...HIGH WIND WARNING IN EFFECT FROM 4 PM THIS AFTERNOON TO 10 AM
PST FRIDAY...

THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS ISSUED A HIGH WIND
WARNING...WHICH IS IN EFFECT FROM 4 PM THIS AFTERNOON TO 10 AM
PST FRIDAY. THE HIGH WIND WATCH IS NO LONGER IN EFFECT. 

* WINDS...WEST 30 TO 40 MPH WITH GUSTS 50 TO 70 MPH. STRONGEST
  WIND GUSTS UP TO 80 MPH THROUGH THE PASSES AND ALONG THE DESERT
  SLOPES.

* TIMING...LATE THIS AFTERNOON THROUGH CHRISTMAS MORNING.

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

* VISIBILITY...OCCASIONALLY REDUCED TO A MILE OR LESS IN BLOWING 
  DUST AND SAND IN THE DESERTS. 

* IMPACTS...DRIVING COULD BE HAZARDOUS AND DIFFICULT FOR HIGH
  PROFILE VEHICLES. ISOLATED WIND DAMAGE AND POWER OUTAGES
  POSSIBLE.

* OUTLOOK...WINDS WILL DECREASE DURING CHRISTMAS DAY. A VERY
  STRONG OFFSHORE WIND EVENT MAY DEVELOP LATE FRIDAY NIGHT AND
  CONTINUE THROUGH SUNDAY MORNING...ALONG THE WEST SLOPES OF THE
  MOUNTAINS AND COASTAL SLOPES.

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.

&&

$$

CAZ061-062-242130-
/O.NEW.KSGX.WI.Y.0036.151225T0000Z-151225T1800Z/
COACHELLA VALLEY-SAN DIEGO COUNTY DESERTS-
259 AM PST THU DEC 24 2015

...WIND ADVISORY IN EFFECT FROM 4 PM THIS AFTERNOON TO 10 AM PST
FRIDAY...

THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM 4 PM THIS AFTERNOON TO 10 AM
PST FRIDAY. 

* WINDS...WEST 20 TO 30 MPH WITH GUSTS 40 TO 50 MPH. STRONGEST
  WIND GUSTS UP TO 60 MPH IMMEDIATELY BELOW THE DESERT SLOPES AND
  PASSES.

* TIMING...LATE THIS AFTERNOON THROUGH CHRISTMAS MORNING.

* LOCATION...STRONGEST WINDS IN THE NORTHERN COACHELLA VALLEY
  BELOW THE SAN GORGONIO PASS.

* VISIBILITY...OCCASIONALLY REDUCED TO A MILE OR LESS IN BLOWING 
  DUST AND SAND IN THE DESERTS. 

* IMPACTS...DRIVING COULD BE HAZARDOUS AND DIFFICULT FOR HIGH
  PROFILE VEHICLES. 

* OUTLOOK...WINDS WILL DECREASE DURING CHRISTMAS 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.

&&

$$

JMB
3 follow-up statements
818 
WWUS76 KSGX 242125
NPWSGX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN DIEGO CA
125 PM PST THU DEC 24 2015

...STRONG WINDS ACROSS THE DESERTS AND MOUNTAINS THROUGH
CHRISTMAS MORNING...

.STRONG WEST WINDS WILL CONTINUE THROUGH CHRISTMAS MORNING FOR
THE HIGH DESERT...MOUNTAINS...AND THE MOUNTAIN DESERT SLOPES...AS
A LOW PRESSURE TROUGH DIGS ACROSS THE REGION. WEST WINDS WILL
DIMINISH THROUGHOUT THE DAY ON CHRISTMAS.

CAZ055-056-058-060-065-250600-
/O.CON.KSGX.HW.W.0006.151225T0000Z-151225T1800Z/
SAN BERNARDINO COUNTY MOUNTAINS-RIVERSIDE COUNTY MOUNTAINS-
SAN DIEGO COUNTY MOUNTAINS-APPLE AND LUCERNE VALLEYS-
SAN GORGONIO PASS NEAR BANNING-
125 PM PST THU DEC 24 2015

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 10 AM PST FRIDAY...

* WINDS...WEST 30 TO 40 MPH WITH GUSTS 50 TO 70 MPH. STRONGEST 
  WIND GUSTS UP TO 80 MPH THROUGH THE PASSES AND ALONG THE 
  DESERT SLOPES. 

* TIMING...THROUGH CHRISTMAS MORNING.

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

* VISIBILITY...OCCASIONALLY REDUCED TO A MILE OR LESS IN BLOWING 
  DUST AND SAND IN THE DESERTS. 

* IMPACTS...DRIVING COULD BE HAZARDOUS AND DIFFICULT FOR HIGH 
  PROFILE VEHICLES. ISOLATED WIND DAMAGE AND POWER OUTAGES 
  POSSIBLE. 

* OUTLOOK...WINDS WILL DECREASE DURING CHRISTMAS DAY. A VERY
  STRONG OFFSHORE WIND EVENT WILL DEVELOP LATE FRIDAY NIGHT AND
  CONTINUE THROUGH SUNDAY MORNING...ALONG THE WEST SLOPES OF THE
  MOUNTAINS AND COASTAL SLOPES.

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.

&&

$$

CAZ061-062-250600-
/O.CON.KSGX.WI.Y.0036.151225T0000Z-151225T1800Z/
COACHELLA VALLEY-SAN DIEGO COUNTY DESERTS-
125 PM PST THU DEC 24 2015

...WIND ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST FRIDAY...

* WINDS...WEST 20 TO 30 MPH WITH GUSTS 40 TO 50 MPH. STRONGEST 
  WIND GUSTS UP TO 60 MPH IMMEDIATELY BELOW THE DESERT SLOPES 
  AND PASSES. 

* TIMING...THROUGH CHRISTMAS MORNING.

* LOCATION...STRONGEST WINDS IN THE NORTHERN COACHELLA VALLEY 
  BELOW THE SAN GORGONIO PASS. 

* VISIBILITY...OCCASIONALLY REDUCED TO A MILE OR LESS IN BLOWING 
  DUST AND SAND IN THE DESERTS. 

* IMPACTS...DRIVING COULD BE HAZARDOUS AND DIFFICULT FOR HIGH 
  PROFILE VEHICLES. 

* OUTLOOK...WINDS WILL DECREASE DURING CHRISTMAS 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.

&&

$$
JT
252 
WWUS76 KSGX 250538
NPWSGX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN DIEGO CA
938 PM PST THU DEC 24 2015

...STRONG WINDS ACROSS THE DESERTS AND MOUNTAINS THROUGH
CHRISTMAS MORNING...

.STRONG WEST WINDS WILL CONTINUE THROUGH CHRISTMAS MORNING FOR
THE HIGH DESERT...MOUNTAINS...AND THE MOUNTAIN DESERT SLOPES.
THE WINDS WILL DIMINISH MIDDAY.

CAZ055-056-058-060-065-251400-
/O.CON.KSGX.HW.W.0006.000000T0000Z-151225T1800Z/
SAN BERNARDINO COUNTY MOUNTAINS-RIVERSIDE COUNTY MOUNTAINS-
SAN DIEGO COUNTY MOUNTAINS-APPLE AND LUCERNE VALLEYS-
SAN GORGONIO PASS NEAR BANNING-
938 PM PST THU DEC 24 2015

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 10 AM PST FRIDAY...

* WINDS...WEST 30 TO 40 MPH WITH GUSTS 50 TO 70 MPH. STRONGEST
  WIND GUSTS UP TO 80 MPH THROUGH THE PASSES AND ALONG THE DESERT
  SLOPES.

* TIMING...THROUGH CHRISTMAS MORNING.

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

* VISIBILITY...OCCASIONALLY REDUCED TO A MILE OR LESS IN BLOWING 
  DUST AND SAND IN THE DESERTS. 

* IMPACTS...DRIVING COULD BE HAZARDOUS AND DIFFICULT FOR HIGH 
  PROFILE VEHICLES. ISOLATED WIND DAMAGE AND POWER OUTAGES 
  POSSIBLE. 

* OUTLOOK...WINDS WILL DECREASE CHRISTMAS DAY. A VERY STRONG
  OFFSHORE WIND EVENT WILL DEVELOP LATE FRIDAY NIGHT AND CONTINUE
  THROUGH SUNDAY MORNING...IMPACTING ORANGE COUNTY AND THE INLAND
  VALLEYS. 

* PEAK WIND GUSTS THROUGH 9 PM...WHITEWATER 60 MPH...VOLCAN
  MOUNTAIN 54 MPH...BURNS CANYON 49 MPH...AND HARRISON PARK 44
  MPH.

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.

&&

$$

CAZ061-062-251400-
/O.CON.KSGX.WI.Y.0036.000000T0000Z-151225T1800Z/
COACHELLA VALLEY-SAN DIEGO COUNTY DESERTS-
938 PM PST THU DEC 24 2015

...WIND ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST FRIDAY...

* WINDS...WEST 20 TO 30 MPH WITH GUSTS 40 TO 50 MPH. STRONGEST 
  WIND GUSTS UP TO 60 MPH IMMEDIATELY BELOW THE DESERT SLOPES 
  AND PASSES. 

* TIMING...THROUGH CHRISTMAS MORNING.

* LOCATION...STRONGEST WINDS IN THE NORTHERN COACHELLA VALLEY 
  BELOW THE SAN GORGONIO PASS. 

* VISIBILITY...OCCASIONALLY REDUCED TO A MILE OR LESS IN BLOWING 
  DUST AND SAND IN THE DESERTS. 

* IMPACTS...DRIVING COULD BE HAZARDOUS AND DIFFICULT FOR HIGH 
  PROFILE VEHICLES. 

* OUTLOOK...WINDS WILL DECREASE DURING CHRISTMAS 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.

&&

$$

MOEDE
397 
WWUS76 KSGX 251033
NPWSGX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN DIEGO CA
233 AM PST FRI DEC 25 2015

...STRONG GUSTY WEST WINDS ACROSS THE MOUNTAINS AND DESERTS
THROUGH EARLY THIS MORNING...

.A LOW PRESSURE SYSTEM WILL MOVE INTO THE SOUTHWEST STATES TODAY
WITH WEAKENING ONSHORE FLOW THIS MORNING. AREAS OF STRONG GUSTY
WEST WINDS IN THE MOUNTAINS AND DESERTS WILL PERSIST THROUGH
SUNRISE...THEN DIMINISH DURING THE MORNING. 

CAZ055-056-058-060-065-251800-
/O.CAN.KSGX.HW.W.0006.000000T0000Z-151225T1800Z/
/O.EXA.KSGX.WI.Y.0036.000000T0000Z-151225T1800Z/
SAN BERNARDINO COUNTY MOUNTAINS-RIVERSIDE COUNTY MOUNTAINS-
SAN DIEGO COUNTY MOUNTAINS-APPLE AND LUCERNE VALLEYS-
SAN GORGONIO PASS NEAR BANNING-
233 AM PST FRI DEC 25 2015

...WIND ADVISORY IN EFFECT UNTIL 10 AM PST THIS MORNING...
...HIGH WIND WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT UNTIL 10 AM PST THIS MORNING. THE
HIGH WIND WARNING HAS BEEN CANCELLED. 

* WINDS...AREAS OF WEST WINDS 20 TO 30 MPH WITH GUSTS TO 50 MPH.
  ISOLATED GUSTS TO 60 MPH.

* TIMING...STRONGER WINDS PERSISTING THROUGH SUNRISE...THEN
  DIMINISHING DURING THE MORNING.

* LOCATION...STRONGEST WINDS NEAR MOUNTAIN RIDGETOPS AND ALONG
  DESERT MOUNTAIN SLOPES...AND IN THE NORTHERN COACHELLA VALLEY
  BELOW THE SAN GORGONIO PASS.GONIO PASS.

* VISIBILITY...LOCALLY REDUCED IN BLOWING SAND AND BLOWING GUST IN
  THE DESERTS.

* IMPACTS...DRIVING COULD BE HAZARDOUS AND DIFFICULT FOR HIGH 
  PROFILE VEHICLES. 

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.

&&

$$

CAZ061-062-251800-
/O.CON.KSGX.WI.Y.0036.000000T0000Z-151225T1800Z/
COACHELLA VALLEY-SAN DIEGO COUNTY DESERTS-
233 AM PST FRI DEC 25 2015

...WIND ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST THIS MORNING...

* WINDS...AREAS OF WEST WINDS 20 TO 30 MPH WITH GUSTS TO 45 MPH.
  ISOLATED GUSTS TO 60 MPH.

* TIMING...STRONGER WINDS PERSISTING THROUGH SUNRISE...THEN
  DIMINISHING DURING THE MORNING.

* VISIBILITY...LOCALLY REDUCED IN BLOWING SAND AND BLOWING DUST. 

* IMPACTS...DRIVING COULD BE HAZARDOUS AND DIFFICULT FOR HIGH 
  PROFILE VEHICLES. 

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.

&&

$$

17

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 24, 1:56 AM PSTSmall Craft AdvisorySGX71 hr
Dec 24, 2:59 AM PSTWind AdvisorySGXRiverside, San Bernardino, San Diego31 hr

Nearby

High Wind Warnings in California, 2015Every high wind warning in 2015

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.