Alert archive / California / High Wind Warnings in 2011

High Wind Warning 11, NWS San Diego, CA

May 8, 2011Riverside County, San Bernardino County, San Diego County, California

NWS San Diego, CA issued this high wind warning at May 8, 2011, 2:58 AM PDT for Riverside County, San Bernardino County, San Diego County, California. It took effect at May 8, 2011, 12:00 PM PDT. It was in force for 8 hr. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
May 8, 2011, 2:58 AM PDT (09:58 UTC)
In effect from
May 8, 2011, 12:00 PM PDT
Expired
May 8, 2011, 8:20 PM PDT
In force
8 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 10:01 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.

What was reported inside it

TimeReportWhereRemark
May 8, 8:21 PM PDTNON-TSTM WND GST 62Bicycle Lake Airfield, CAGUSTS OF 58 MPH OR HIGHER OCCURRED FROM 531 PM THROUGH 909 PM. THE CALIFORNIA HIGHWAY PATROL ALSO REPORTED SAND COVERING ONE AND A HALF LANES OF A ROAD IN THE AREA.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

San Diego, CA (KNKX), launched 00:00Z, 10.0 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 2011-05-08Temperature 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 2011-05-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -11 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
1281 m above ground
0-6 km bulk shear
12 kt
0-1 km storm-relative helicity
-11 m²/s²
0-3 km storm-relative helicity
82 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.

454 
WWUS76 KSGX 080958
NPWSGX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN DIEGO CA
258 AM PDT SUN MAY 8 2011

...STRONG ONSHORE WINDS FOR THE MOUNTAINS AND DESERTS FOR THIS
AFTERNOON THROUGH TONIGHT...

.A TROUGH OF LOW PRESSURE MOVING INTO THE GREAT BASIN WILL BRING
STRONGER ONSHORE FLOW THROUGH TONIGHT WITH STRONG GUSTY ONSHORE
WINDS IN THE MOUNTAINS AND DESERTS FOR THIS AFTERNOON THROUGH
TONIGHT. WINDS ARE EXPECTED TO BE STRONGEST LATE THIS AFTERNOON
THROUGH THIS EVENING.

CAZ055-056-058-060>062-082100-
/O.CAN.KSGX.WI.Y.0026.000000T0000Z-110508T1900Z/
/O.UPG.KSGX.HW.A.0007.110508T1900Z-110509T1200Z/
/O.NEW.KSGX.WI.Y.0027.110509T0700Z-110509T1300Z/
/O.NEW.KSGX.HW.W.0011.110508T1900Z-110509T0700Z/
SAN BERNARDINO COUNTY MOUNTAINS-RIVERSIDE COUNTY MOUNTAINS-
SAN DIEGO COUNTY MOUNTAINS-APPLE AND LUCERNE VALLEYS-
COACHELLA VALLEY-SAN DIEGO COUNTY DESERTS-
258 AM PDT SUN MAY 8 2011

...HIGH WIND WARNING IN EFFECT FROM NOON TODAY TO MIDNIGHT PDT
TONIGHT...
...WIND ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 6 AM PDT
MONDAY...
...WIND ADVISORY IS CANCELLED FOR THIS MORNING...

THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS ISSUED A HIGH WIND
WARNING...WHICH IS IN EFFECT FROM NOON TODAY TO MIDNIGHT PDT
TONIGHT. A WIND ADVISORY HAS ALSO BEEN ISSUED. THIS WIND ADVISORY
IS IN EFFECT FROM MIDNIGHT TONIGHT TO 6 AM PDT MONDAY. THE WIND
ADVISORY HAS BEEN CANCELLED. THE HIGH WIND WATCH IS NO LONGER IN
EFFECT. 

* LOCATION: NEAR RIDGE TOPS...ALONG DESERT SLOPES OF THE MOUNTAINS...AND
  ADJACENT DESERT AREAS...INCLUDING THE BANNING PASS.

* TIMING: THIS AFTERNOON THROUGH TONIGHT WITH STRONGEST WINDS LATE
  THIS AFTERNOON THROUGH THIS EVENING.

* WINDS: AREAS OF WEST WINDS 25 TO 35 MPH. GUSTS TO 60 MPH LATE
  THIS AFTERNOON THROUGH THIS EVENING...DECREASING TO 50 MPH LATE
  TONIGHT.

* IMPACTS: THE WINDS WILL MAKE DRIVING DIFFICULT...ESPECIALLY FOR
  MOTORISTS WITH HIGH PROFILE VEHICLES. IN THE DESERTS...AREAS OF
  BLOWING DUST AND SAND COULD REDUCE VISIBILITY TO NEAR ZERO.
  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.

A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 35 MPH ARE
EXPECTED... WITH FREQUENT GUSTS OF AT LEAST 45 MPH. WINDS THIS
STRONG CAN MAKE DRIVING DIFFICULT. USE EXTRA CAUTION.

THE WINDS WILL MAKE DRIVING DIFFICULT...ESPECIALLY FOR MOTORISTS
WITH HIGH PROFILE VEHICLES. IN THE DESERTS...AREAS OF BLOWING DUST
AND SAND COULD REDUCE VISIBILITY TO NEAR ZERO. WATCH FOR BROKEN
TREE LIMBS AND DOWNED POWER LINES.

&&

$$

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
2 follow-up statements
754 
WWUS76 KSGX 082034
NPWSGX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN DIEGO CA
134 PM PDT SUN MAY 8 2011

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

.A TROUGH OF LOW PRESSURE MOVING INTO THE GREAT BASIN WILL BRING
STRONGER ONSHORE FLOW THROUGH MONDAY IN THE DESERTS AND ADJACENT
MOUNTAINS. WINDS ARE EXPECTED TO BE STRONGEST LATE THIS AFTERNOON
THROUGH THIS EVENING WITH LOCAL GUSTS OF 60 MPH OR MORE AT TIMES.

CAZ055-056-058-060>062-090415-
/O.CON.KSGX.HW.W.0011.000000T0000Z-110509T0700Z/
/O.CON.KSGX.WI.Y.0027.110509T0700Z-110509T1300Z/
SAN BERNARDINO COUNTY MOUNTAINS-RIVERSIDE COUNTY MOUNTAINS-
SAN DIEGO COUNTY MOUNTAINS-APPLE AND LUCERNE VALLEYS-
COACHELLA VALLEY-SAN DIEGO COUNTY DESERTS-
134 PM PDT SUN MAY 8 2011

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL MIDNIGHT PDT
TONIGHT...
...WIND ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 6 AM
PDT MONDAY...

A HIGH WIND WARNING REMAINS IN EFFECT UNTIL MIDNIGHT PDT TONIGHT.
A WIND ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 6 AM
PDT MONDAY. 

* LOCATION: NEAR RIDGE TOPS...ALONG DESERT SLOPES OF THE
  MOUNTAINS...AND  ADJACENT DESERT AREAS...INCLUDING THE BANNING
  PASS.

* TIMING: THIS AFTERNOON THROUGH TONIGHT FOR THE STRONGEST WINDS.
  THEN INCREASING TO OR ABOVE ADVISORY LEVELS AGAIN ON MONDAY.

* WINDS: AREAS OF WEST WINDS 25 TO 35 MPH. GUSTS TO 60 MPH LATE
  THIS AFTERNOON THROUGH THIS EVENING...DECREASING SLIGHTLY LATE
  TONIGHT.

* IMPACTS: THE WINDS WILL MAKE DRIVING DIFFICULT...ESPECIALLY FOR
  MOTORISTS WITH HIGH PROFILE VEHICLES. IN THE DESERTS...AREAS OF
  BLOWING DUST AND SAND COULD REDUCE VISIBILITY TO NEAR ZERO.
  WATCH FOR BROKEN TREE LIMBS...DOWNED POWER LINES...AND DEBRIS ON 
  ROADWAYS

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.

A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 35 MPH ARE
EXPECTED... WITH FREQUENT GUSTS OF AT LEAST 45 MPH. WINDS THIS
STRONG CAN MAKE DRIVING DIFFICULT. USE EXTRA CAUTION.

&&

$$

JAD
634 
WWUS76 KSGX 090320
NPWSGX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN DIEGO CA
820 PM PDT SUN MAY 8 2011

...STRONG AND GUSTY WESTERLY WINDS FOR THE MOUNTAINS AND DESERTS
TONIGHT...

.A TROUGH OF LOW PRESSURE MOVING INTO THE GREAT BASIN WILL BRING
STRONGER ONSHORE FLOW THROUGH MONDAY IN THE DESERTS AND ADJACENT
MOUNTAINS. WINDS ARE EXPECTED TO BE STRONGEST THROUGH TONIGHT...WITH
LOCAL GUSTS UP TO 55 MPH.

CAZ055-056-058-060>062-091300-
/O.CAN.KSGX.HW.W.0011.000000T0000Z-110509T0700Z/
/O.EXT.KSGX.WI.Y.0027.110509T0320Z-110509T1300Z/
SAN BERNARDINO COUNTY MOUNTAINS-RIVERSIDE COUNTY MOUNTAINS-
SAN DIEGO COUNTY MOUNTAINS-APPLE AND LUCERNE VALLEYS-
COACHELLA VALLEY-SAN DIEGO COUNTY DESERTS-
820 PM PDT SUN MAY 8 2011

...WIND ADVISORY NOW IN EFFECT UNTIL 6 AM PDT MONDAY...
...HIGH WIND WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS CANCELLED THE HIGH
WIND WARNING. THE WIND ADVISORY IS NOW IN EFFECT UNTIL 6 AM PDT
MONDAY FOR THE DESERTS AND ADJACENT MOUNTAINS.

* LOCATION: NEAR RIDGE TOPS...ALONG DESERT SLOPES OF THE
  MOUNTAINS...AND ADJACENT DESERT AREAS...INCLUDING THE BANNING
  PASS.

* TIMING: THROUGH TONIGHT FOR THE STRONGEST WINDS...THEN WEAKENING
  ON MONDAY MORNING...BUT POTENTIALLY PICKING UP IN THE AFTERNOON
  AGAIN.

* WINDS: AREAS OF WEST WINDS 20 TO 35 MPH. GUSTS UP TO 55
  MPH...THEN DECREASING SLIGHTLY LATE TONIGHT.

* IMPACTS: THE WINDS WILL MAKE DRIVING DIFFICULT...ESPECIALLY FOR
  MOTORISTS WITH HIGH PROFILE VEHICLES. IN THE DESERTS...AREAS OF
  BLOWING DUST AND SAND COULD REDUCE VISIBILITY SUDDENLY AND
  SIGNIFICANTLY TO NEAR ZERO. WATCH FOR BROKEN TREE
  LIMBS...DOWNED POWER LINES...AND DEBRIS ON ROADWAYS

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 35 MPH ARE
EXPECTED... WITH FREQUENT GUSTS OF AT LEAST 45 MPH. WINDS THIS
STRONG CAN MAKE DRIVING DIFFICULT. USE EXTRA CAUTION.

&&

$$

PALMER

The office that day

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

IssuedProductOfficeCountiesLasted
May 8, 2:51 AM PDTSmall Craft AdvisorySGX42 hr
May 8, 2:58 AM PDTWind AdvisorySGXRiverside, San Bernardino, San Diego41 hr

Nearby

High Wind Warnings in California, 2011Every high wind warning in 2011

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.