Alert archive / California / High Wind Warnings in 2011

High Wind Warning 13, NWS San Diego, CA

October 5, 2011Riverside County, San Bernardino County, San Diego County, California

NWS San Diego, CA issued this high wind warning at Oct 5, 2011, 12:45 PM PDT for Riverside County, San Bernardino County, San Diego County, California. It took effect at Oct 5, 2011, 1:00 PM PDT. It was in force for 6 hr. 4 reports 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
Oct 5, 2011, 12:45 PM PDT (19:45 UTC)
In effect from
Oct 5, 2011, 1:00 PM PDT
Expired
Oct 5, 2011, 7:01 PM PDT
In force
6 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 19:48 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
Oct 5, 1:48 PM PDTNON-TSTM WND GST 55Sse Landers (Ar190), CAA TRAINED SPOTTER REPORTED SOUTHWEST WINDS GUSTING TO 55 MPH WITH BLOWING DUST AND SAND REDUCING VISIBILITY TO AROUND A HALF-MILE.
Oct 5, 1:55 PM PDTNON-TSTM WND DMGLucerne Valley, CA*** 3 INJ *** STRONG WINDS FORCED BIG RIG WITH EMPTY TRAILER INTO ONCOMING TRAFFIC ON HIGHWAY 18. THREE VEHICLES INVOLVED.
Oct 5, 2:05 PM PDTNON-TSTM WND DMGLucerne Valley, CASTRONG WINDS DOWNED SEVERAL POWER LINES IN LUCERNE VALLEY
Oct 5, 4:00 PM PDTNON-TSTM WND GST 594 Se Julian, CAHARRISON PARK GAUGE. TIME OF WIND GUST IS ESTIMATED.

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 12:00Z, 7.8 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 12:00Z on 2011-10-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2 joules per kilogram.LCLLFCEL10008507005003002001001 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 2011-10-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 15 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
2 J/kg
Mixed-layer CIN
-2 J/kg
Mixed-layer LCL
561 m above ground
0-6 km bulk shear
55 kt
0-1 km storm-relative helicity
15 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.

554 
WWUS76 KSGX 051945
NPWSGX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN DIEGO CA
1245 PM PDT WED OCT 5 2011

...VERY STRONG AND GUSTY WINDS FOR MOUNTAINS AND DESERTS THROUGH
TONIGHT...

.AN EARLY SEASON STORM SYSTEM WILL PRODUCE VERY STRONG AND GUSTY
WINDS OVER THE MOUNTAINS AND DESERTS THIS AFTERNOON THROUGH LATE
TONIGHT. WINDS WILL GRADUALLY DECREASE LATE TONIGHT AND ON
THURSDAY.

CAZ055-056-058-060>062-060500-
/O.NEW.KSGX.HW.W.0013.111005T2000Z-111006T0600Z/
/O.EXT.KSGX.WI.Y.0035.111006T0600Z-111006T1100Z/
SAN BERNARDINO COUNTY MOUNTAINS-RIVERSIDE COUNTY MOUNTAINS-
SAN DIEGO COUNTY MOUNTAINS-APPLE AND LUCERNE VALLEYS-
COACHELLA VALLEY-SAN DIEGO COUNTY DESERTS-
1245 PM PDT WED OCT 5 2011

...HIGH WIND WARNING IN EFFECT UNTIL 11 PM PDT THIS EVENING...
...WIND ADVISORY NOW IN EFFECT FROM 11 PM THIS EVENING TO 4 AM
PDT THURSDAY...

THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS ISSUED A HIGH WIND
WARNING...WHICH IS IN EFFECT UNTIL 11 PM PDT THIS EVENING. THE
WIND ADVISORY IS NOW IN EFFECT FROM 11 PM THIS EVENING TO 4 AM
PDT THURSDAY. 

* TIMING: THIS AFTERNOON THROUGH EARLY THURSDAY MORNING

* WINDS: SOUTHWEST WINDS 30 TO 45 MPH WITH GUSTS TO 60 MPH. LOCAL
  GUSTS TO 70 POSSIBLE IN THE FAVORED CANYONS AND PASSES.

* VISIBILITY: LOCALLY REDUCED IN THE DESERTS WITH BLOWING DUST.
  LOCALLY REDUCED IN THE MOUNTAINS WITH FOG AND PRECIPITATION.

* IMPACTS: GUSTY WINDS WILL MAKE TRAVEL HAZARDOUS...ESPECIALLY FOR
  HIGH PROFILE VEHICLES TRAVELING ALONG INTERSTATE 15 THROUGH THE
  HIGH DESERT...INTERSTATE 10 THROUGH THE BANNING PASS...AND
  INTERSTATE 8 THROUGH THE MOUNTAINS. REDUCED VISIBILITY IN
  BLOWING DUST...FOG...AND RAIN WILL ALSO MAKE TRAVEL HAZARDOUS.
  BROKEN TREE LIMBS AND DOWNED POWER LINES WILL BE POSSIBLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT WIND GUSTS OF 55 MPH ARE EXPECTED.
WIND GUSTS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY
FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION.

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.

&&

$$

PALMER
1 follow-up statement
296 
WWUS76 KSGX 060201
NPWSGX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN DIEGO CA
701 PM PDT WED OCT 5 2011

...STRONG AND GUSTY WINDS FOR MOUNTAINS AND DESERTS THROUGH
TONIGHT...

.AN EARLY SEASON STORM SYSTEM WILL CONTINUE STRONG AND GUSTY
WINDS OVER THE MOUNTAINS AND DESERTS THROUGH LATE TONIGHT. THE
ADVISORY MAY NEED TO BE EXTENDED THROUGH THURSDAY.

CAZ055-056-058-060>062-061100-
/O.CAN.KSGX.HW.W.0013.000000T0000Z-111006T0600Z/
/O.EXT.KSGX.WI.Y.0035.111006T0201Z-111006T1100Z/
SAN BERNARDINO COUNTY MOUNTAINS-RIVERSIDE COUNTY MOUNTAINS-
SAN DIEGO COUNTY MOUNTAINS-APPLE AND LUCERNE VALLEYS-
COACHELLA VALLEY-SAN DIEGO COUNTY DESERTS-
701 PM PDT WED OCT 5 2011

...WIND ADVISORY NOW IN EFFECT UNTIL 4 AM PDT THURSDAY...
...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 4 AM PDT
THURSDAY. 

* TIMING: THROUGH EARLY THURSDAY MORNING

* WINDS: SOUTHWEST WINDS 25 TO 40 MPH WITH GUSTS TO 55 MPH.

* VISIBILITY: LOCALLY REDUCED IN THE DESERTS WITH BLOWING DUST.

* IMPACTS: GUSTY WINDS WILL MAKE TRAVEL HAZARDOUS...ESPECIALLY FOR
  HIGH PROFILE VEHICLES. REDUCED VISIBILITY IN BLOWING
  DUST...FOG...AND RAIN SHOWERS MAY ALSO MAKE TRAVEL HAZARDOUS.
  WATCH FOR BROKEN TREE LIMBS AND DOWNED POWER LINES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT WIND GUSTS OF 45 TO 55 MPH ARE
EXPECTED. WIND GUSTS THIS STRONG CAN MAKE DRIVING DIFFICULT...
ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION.

&&


$$

JAD

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 5, 1:10 PM PDTWinter Weather AdvisorySGXRiverside, San Bernardino14 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.