Alert archive / California / High Wind Warnings in 2008

High Wind Warning 13, NWS San Diego, CA

May 20, 2008San Bernardino County, California

NWS San Diego, CA issued this high wind warning at May 20, 2008, 4:03 AM PDT for San Bernardino County, California. It took effect at May 20, 2008, 2:00 PM PDT. 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
May 20, 2008, 4:03 AM PDT (11:03 UTC)
In effect from
May 20, 2008, 2:00 PM PDT
Expired
May 20, 2008, 8:33 AM PDT
In force
Issued by
NWS San Diego, CA

County San Bernardino County, CA

The nearest sounding before it

Mercury/Desert R, NV (KDRA), launched 00:00Z, 11.1 hours before the alert went out and 198 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, Mercury/Desert R, NV at 00:00Z on 2008-05-20Temperature 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, Mercury/Desert R, NV at 00:00Z on 2008-05-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -14 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
5042 m above ground
0-6 km bulk shear
12 kt
0-1 km storm-relative helicity
-14 m²/s²
0-3 km storm-relative helicity
30 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.

000 
WWUS76 KSGX 201103
NPWSGX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN DIEGO CA
403 AM PDT TUE MAY 20 2008

...STRONG GUSTY WINDS FOR THE MOUNTAINS AND DESERTS THIS AFTERNOON
THROUGH WEDNESDAY...

.A TROUGH OF LOW PRESSURE MOVING INLAND THROUGH NORTHERN
CALIFORNIA AND THE PACIFIC NORTHWEST INTO THE GREAT BASIN WILL
BRING STRONG ONSHORE FLOW TO SOUTHERN CALIFORNIA WITH STRONG GUSTY
WINDS IN THE MOUNTAINS AND DESERTS AT TIMES THIS AFTERNOON THROUGH
WEDNESDAY. WINDS ARE EXPECTED TO BE STRONGEST THIS AFTERNOON AND 
EVENING.

CAZ055-060-202100-
/O.NEW.KSGX.HW.W.0013.080520T2100Z-080521T0700Z/
/O.NEW.KSGX.WI.Y.0073.080521T0700Z-080522T0100Z/
SAN BERNARDINO COUNTY MOUNTAINS-APPLE AND LUCERNE VALLEYS-
403 AM PDT TUE MAY 20 2008

...HIGH WIND WARNING IN EFFECT FROM 2 PM THIS AFTERNOON TO
MIDNIGHT PDT TONIGHT...
...WIND ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 6 PM PDT
WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS ISSUED A HIGH WIND
WARNING...WHICH IS IN EFFECT FROM 2 PM THIS AFTERNOON TO MIDNIGHT
PDT TONIGHT. A WIND ADVISORY HAS ALSO BEEN ISSUED. THIS WIND
ADVISORY IS IN EFFECT FROM MIDNIGHT TONIGHT TO 6 PM PDT
WEDNESDAY. 

AREAS OF WEST WINDS WILL INCREASE TO 25 TO 35 MPH THIS AFTERNOON AND
EVENING WITH GUSTS TO 60 MPH IN THE DESERTS AND NEAR RIDGETOPS AND
ON DESERT SLOPES IN THE MOUNTAINS. WINDS WILL DECREASE TO 20 TO 30
MPH LATE TONIGHT THROUGH WEDNESDAY WITH GUSTS TO 45 MPH. THE WINDS
WILL GENERATE AREAS OF BLOW SAND AND DUST IN THE DESERT WITH LOCAL
VISIBILITIES NEAR ZERO AT TIMES.

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.

$$

CAZ056-058-061-062-202100-
/O.NEW.KSGX.WI.Y.0073.080520T2100Z-080522T0100Z/
RIVERSIDE COUNTY MOUNTAINS-SAN DIEGO COUNTY MOUNTAINS-
COACHELLA VALLEY-SAN DIEGO COUNTY DESERTS-
403 AM PDT TUE MAY 20 2008

...WIND ADVISORY IN EFFECT FROM 2 PM THIS AFTERNOON TO 6 PM PDT
WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM 2 PM THIS AFTERNOON TO 6 PM
PDT WEDNESDAY. 

AREAS OF WEST WINDS WILL INCREASE TO 20 TO 30 MPH THIS AFTERNOON AND
EVENING WITH GUSTS TO 45 MPH IN THE DESERTS AND NEAR RIDGETOPS AND
ON DESERT SLOPES IN THE MOUNTAINS. WINDS MAY LOCALLY SUBSIDE IN
PORTIONS OF THE COACHELLA VALLEY AT TIMES LATE TONIGHT THROUGH 
WEDNESDAY MORNING. THE WINDS WILL GENERATE AREAS OF BLOW SAND AND
DUST IN THE DESERT WITH LOCAL VISIBILITIES NEAR ZERO AT TIMES. .

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.

$$

MARTIN
1 follow-up statement
000 
WWUS76 KSGX 201533
NPWSGX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN DIEGO CA
833 AM PDT TUE MAY 20 2008

...STRONG GUSTY WINDS FOR THE MOUNTAINS AND DESERTS THIS
AFTERNOON THROUGH WEDNESDAY...

.A TROUGH OF LOW PRESSURE MOVING INLAND THROUGH NORTHERN
CALIFORNIA AND THE PACIFIC NORTHWEST INTO THE GREAT BASIN WILL
BRING STRONG ONSHORE FLOW TO SOUTHERN CALIFORNIA WITH STRONG
GUSTY WINDS IN THE MOUNTAINS AND DESERTS AT TIMES THIS AFTERNOON
THROUGH WEDNESDAY. WINDS ARE EXPECTED TO BE STRONGEST THIS
EVENING THROUGH WEDNESDAY.

CAZ055-060-202345-
/O.CAN.KSGX.HW.W.0013.080520T2100Z-080521T0700Z/
/O.CAN.KSGX.WI.Y.0073.080521T0700Z-080522T0100Z/
/O.NEW.KSGX.HW.A.0012.080521T0700Z-080522T0100Z/
/O.EXB.KSGX.WI.Y.0073.080520T2100Z-080521T0700Z/
SAN BERNARDINO COUNTY MOUNTAINS-APPLE AND LUCERNE VALLEYS-
833 AM PDT TUE MAY 20 2008

...WIND ADVISORY IN EFFECT FROM 2 PM THIS AFTERNOON TO MIDNIGHT
PDT TONIGHT...
...HIGH WIND WATCH IN EFFECT FROM LATE TONIGHT THROUGH WEDNESDAY
AFTERNOON...
...HIGH WIND WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM 2 PM THIS AFTERNOON TO
MIDNIGHT PDT TONIGHT. A HIGH WIND WATCH HAS ALSO BEEN ISSUED.
THIS HIGH WIND WATCH IS IN EFFECT FROM LATE TONIGHT THROUGH
WEDNESDAY AFTERNOON. THE HIGH WIND WARNING HAS BEEN CANCELLED. 

AREAS OF WEST WINDS WILL INCREASE TO 25 TO 35 MPH THIS AFTERNOON
AND EVENING WITH GUSTS TO 55 MPH IN THE DESERTS AND NEAR
RIDGE TOPS AND ON DESERT SLOPES IN THE MOUNTAINS. WINDS WILL
BECOME EVEN STRONGER TONIGHT AND WEDNESDAY WITH GUSTS NEAR 70
MPH. THE WINDS WILL GENERATE AREAS OF BLOW SAND AND DUST IN THE
DESERT WITH LOCAL VISIBILITIES NEAR ZERO AT TIMES.

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.

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.

$$

CAZ056-058-061-062-202345-
/O.NEW.KSGX.HW.A.0012.080521T1600Z-080522T0100Z/
/O.EXT.KSGX.WI.Y.0073.080520T2100Z-080521T1600Z/
RIVERSIDE COUNTY MOUNTAINS-SAN DIEGO COUNTY MOUNTAINS-
COACHELLA VALLEY-SAN DIEGO COUNTY DESERTS-
833 AM PDT TUE MAY 20 2008

...WIND ADVISORY NOW IN EFFECT FROM 2 PM THIS AFTERNOON TO 9 AM
PDT WEDNESDAY...
...HIGH WIND WATCH IN EFFECT FROM WEDNESDAY MORNING THROUGH
WEDNESDAY AFTERNOON...

THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS ISSUED A HIGH WIND
WATCH...WHICH IS IN EFFECT FROM WEDNESDAY MORNING THROUGH
WEDNESDAY AFTERNOON. THE WIND ADVISORY IS NOW IN EFFECT FROM 2 PM
THIS AFTERNOON TO 9 AM PDT WEDNESDAY. 

AREAS OF WEST WINDS WILL INCREASE TO 20 TO 30 MPH THIS AFTERNOON
AND EVENING WITH GUSTS TO 45 MPH IN THE DESERTS AND NEAR
RIDGE TOPS AND ON DESERT SLOPES IN THE MOUNTAINS. WINDS WILL
BECOME EVEN STRONGER TONIGHT AND WEDNESDAY WITH GUSTS NEAR 70
MPH. THE WINDS WILL GENERATE AREAS OF BLOW SAND AND DUST IN THE
DESERT WITH LOCAL VISIBILITIES NEAR ZERO AT TIMES.

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.

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.

$$

BALFOUR

The office that day

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

IssuedProductOfficeCountiesLasted
May 20, 3:55 AM PDTRed Flag WarningSGXRiverside, San Bernardino, San Diego17 hr
May 20, 4:03 AM PDTWind AdvisorySGXRiverside, San Bernardino, San Diego38 hr
May 20, 8:33 AM PDTHigh Wind WatchSGXRiverside, San Bernardino, San Diego13 hr
May 20, 1:13 PM PDTHigh Wind WarningSGXSan Bernardino29 hr

Nearby

High Wind Warnings in California, 2008Every high wind warning in 2008

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.