Alert archive / California / Wind Advisories in 2011

Wind Advisory 18, NWS San Diego, CA

April 7, 2011Riverside County, San Diego County, California

NWS San Diego, CA issued this wind advisory at Apr 7, 2011, 2:38 AM PDT for Riverside County, San Diego County, California. It took effect at Apr 7, 2011, 10:00 PM PDT. It was in force for 5 hr.

The area

The counties it named.

The facts

Issued
Apr 7, 2011, 2:38 AM PDT (09:38 UTC)
In effect from
Apr 7, 2011, 10:00 PM PDT
Expired
Apr 8, 2011, 3:00 AM PDT
In force
5 hr
Issued by
NWS San Diego, CA

Counties Riverside County, CA, San Diego County, CA

The radar

The San Diego radar (KNKX), 80 km from the middle of the area, began a volume at 09:36 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, 9.6 hours before the alert went out and 100 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 2011-04-07Temperature 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 2011-04-07The 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
1025 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
11 m²/s²
0-3 km storm-relative helicity
-10 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.

006 
WWUS76 KSGX 070938
NPWSGX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN DIEGO CA
238 AM PDT THU APR 7 2011

...STRONG GUSTY WINDS IN THE MOUNTAINS AND DESERTS INTO TONIGHT...

.A COLD LOW PRESSURE SYSTEM MOVING SOUTHWARD ALONG THE WEST COAST WILL
BRING STRONG WEST WINDS TO THE MOUNTAINS AND DESERTS THROUGH THIS
EVENING...GRADUALLY DECREASING LATE TONIGHT. 

CAZ056-058-061-062-072100-
/O.NEW.KSGX.WI.Y.0018.110408T0500Z-110408T1000Z/
/O.CON.KSGX.HW.W.0008.110407T1300Z-110408T0500Z/
RIVERSIDE COUNTY MOUNTAINS-SAN DIEGO COUNTY MOUNTAINS-
COACHELLA VALLEY-SAN DIEGO COUNTY DESERTS-
238 AM PDT THU APR 7 2011

...HIGH WIND WARNING REMAINS IN EFFECT FROM 6 AM THIS MORNING TO
10 PM PDT THIS EVENING...
...WIND ADVISORY IN EFFECT FROM 10 PM THIS EVENING TO 3 AM PDT
FRIDAY...

THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM 10 PM THIS EVENING TO 3 AM PDT
FRIDAY. A HIGH WIND WARNING REMAINS IN EFFECT FROM 6 AM THIS
MORNING TO 10 PM PDT THIS EVENING. 

* TIMING: STRONGEST WINDS THIS AFTERNOON AND EVENING.

* WINDS: WEST WINDS INCREASING TO 30 TO 40 MPH WITH GUSTS TO 65
  MPH FOR THIS AFTERNOON AND EVENING. STRONGEST WINDS WILL BE ON
  THE DESERT SLOPES OF THE MOUNTAINS AND ADJACENT DESERT AREAS.
  WINDS DECREASING LATE TONIGHT.

* VISIBILITY: NEAR ZERO IN THE DESERTS AT TIMES IN BLOWING DUST AND
  SAND.

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

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.

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.

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

&&

$$

CAZ055-060-072100-
/O.CON.KSGX.HW.W.0008.110407T1300Z-110408T0500Z/
SAN BERNARDINO COUNTY MOUNTAINS-APPLE AND LUCERNE VALLEYS-
238 AM PDT THU APR 7 2011

...HIGH WIND WARNING REMAINS IN EFFECT FROM 6 AM THIS MORNING TO
10 PM PDT THIS EVENING...

A HIGH WIND WARNING REMAINS IN EFFECT FROM 6 AM THIS MORNING TO
10 PM PDT THIS EVENING. 

* TIMING: STRONGEST WINDS THIS AFTERNOON AND EVENING.

* WINDS: WEST WINDS INCREASING TO 30 TO 40 MPH WITH GUSTS TO 65
  MPH FOR THIS AFTERNOON AND EVENING. STRONGEST WINDS WILL BE ON
  THE DESERT SLOPES OF THE MOUNTAINS AND ADJACENT DESERT AREAS.
  WINDS DECREASING LATE TONIGHT.
 
* VISIBILITY: NEAR ZERO IN THE DESERTS AT TIMES IN BLOWING DUST AND
  SAND.

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

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.

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

&&

$$

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
3 follow-up statements
520 
WWUS76 KSGX 072017
NPWSGX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN DIEGO CA
117 PM PDT THU APR 7 2011

...STRONG GUSTY WINDS IN THE MOUNTAINS AND DESERTS INTO TONIGHT...

.A COLD LOW PRESSURE SYSTEM MOVING SOUTHWARD ALONG THE WEST COAST
WILL BRING STRONG WEST WINDS TO THE MOUNTAINS AND DESERTS THROUGH
THIS EVENING...GRADUALLY DECREASING LATE TONIGHT.

CAZ056-058-061-062-080500-
/O.CON.KSGX.HW.W.0008.000000T0000Z-110408T0500Z/
/O.CON.KSGX.WI.Y.0018.110408T0500Z-110408T1000Z/
RIVERSIDE COUNTY MOUNTAINS-SAN DIEGO COUNTY MOUNTAINS-
COACHELLA VALLEY-SAN DIEGO COUNTY DESERTS-
117 PM PDT THU APR 7 2011

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 10 PM PDT THIS
EVENING...
...WIND ADVISORY REMAINS IN EFFECT FROM 10 PM THIS EVENING TO
3 AM PDT FRIDAY...

A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 10 PM PDT THIS
EVENING. A WIND ADVISORY REMAINS IN EFFECT FROM 10 PM THIS
EVENING TO 3 AM PDT FRIDAY. 

* TIMING: STRONGEST WINDS THIS AFTERNOON AND EVENING.

* WINDS: WEST WINDS INCREASING TO 30 TO 40 MPH WITH GUSTS TO 65
  MPH FOR THIS AFTERNOON AND EVENING. STRONGEST WINDS WILL BE ON
  THE DESERT SLOPES OF THE MOUNTAINS AND ADJACENT DESERT AREAS.
  WINDS DECREASING LATE TONIGHT.

* VISIBILITY: NEAR ZERO IN THE DESERTS AT TIMES IN BLOWING DUST
  AND SAND.

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

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.

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.

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

&&

$$

CAZ055-060-080500-
/O.CON.KSGX.HW.W.0008.000000T0000Z-110408T0500Z/
SAN BERNARDINO COUNTY MOUNTAINS-APPLE AND LUCERNE VALLEYS-
117 PM PDT THU APR 7 2011

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 10 PM PDT THIS
EVENING...

A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 10 PM PDT THIS
EVENING. 

* TIMING: STRONGEST WINDS THIS AFTERNOON AND EVENING.

* WINDS: WEST WINDS INCREASING TO 30 TO 40 MPH WITH GUSTS TO 65
  MPH FOR THIS AFTERNOON AND EVENING. STRONGEST WINDS WILL BE ON
  THE DESERT SLOPES OF THE MOUNTAINS AND ADJACENT DESERT AREAS.
  WINDS DECREASING LATE TONIGHT.

* VISIBILITY: NEAR ZERO IN THE DESERTS AT TIMES IN BLOWING DUST
  AND SAND.

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

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.

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

&&

$$

WHITLOW
065 
WWUS76 KSGX 080452
NPWSGX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN DIEGO CA
952 PM PDT THU APR 7 2011

...GUSTY WINDS IN THE MOUNTAINS AND DESERTS TONIGHT...

.WEST TO NORTHWEST WINDS FROM 20 TO 30 MPH WITH GUSTS TO 50 MPH
WILL CONTINUE IN THE MOUNTAINS AND LOWER DESERTS TONIGHT. THE
WINDS WILL GRADUALLY DECREASE TOWARD MORNING.

CAZ056-058-061-062-081000-
/O.EXP.KSGX.HW.W.0008.000000T0000Z-110408T0500Z/
/O.CON.KSGX.WI.Y.0018.110408T0500Z-110408T1000Z/
RIVERSIDE COUNTY MOUNTAINS-SAN DIEGO COUNTY MOUNTAINS-
COACHELLA VALLEY-SAN DIEGO COUNTY DESERTS-
952 PM PDT THU APR 7 2011

...WIND ADVISORY REMAINS IN EFFECT UNTIL 3 AM PDT FRIDAY...
...HIGH WIND WARNING WILL EXPIRE AT 10 PM PDT THIS EVENING...

THE HIGH WIND WARNING WILL EXPIRE AT 10 PM PDT THIS EVENING. A
WIND ADVISORY REMAINS IN EFFECT UNTIL 3 AM PDT FRIDAY. 

* TIMING: TONIGHT.

* WINDS: WEST TO NORTHWEST WINDS 20 TO 30 MPH WITH GUSTS TO 50
  MPH. STRONGEST WINDS WILL CONTINUE OVER THE DESERT SLOPES OF THE
  MOUNTAINS...THE COACHELLA VALLEY AND THE BORREGO DESERT. THE
  WINDS WILL DECREASE LATE TONIGHT.

* VISIBILITY: LESS THAN A HALF MILE IN THE DESERTS AT TIMES IN
  BLOWING DUST AND SAND.

* IMPACTS: THE WINDS WILL MAKE DRIVING DIFFICULT...ESPECIALLY FOR
  MOTORISTS WITH HIGH PROFILE VEHICLES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THE WINDS WILL MAKE DRIVING DIFFICULT...ESPECIALLY FOR MOTORISTS
WITH HIGH PROFILE VEHICLES. WATCH FOR BROKEN TREE LIMBS AND
DOWNED POWER LINES.

&&

$$

CAZ055-060-080600-
/O.EXP.KSGX.HW.W.0008.000000T0000Z-110408T0500Z/
SAN BERNARDINO COUNTY MOUNTAINS-APPLE AND LUCERNE VALLEYS-
952 PM PDT THU APR 7 2011

...HIGH WIND WARNING WILL EXPIRE AT 10 PM PDT THIS EVENING...

THE HIGH WIND WARNING WILL EXPIRE AT 10 PM PDT THIS EVENING. 

WINDS WILL CONTINUE TO DECREASE OVERNIGHT.

$$

MOEDE
056 
WWUS76 KSGX 081010
NPWSGX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN DIEGO CA
310 AM PDT FRI APR 8 2011

...GUSTY WINDS GRADUALLY DIMINISHING THIS MORNING...

.THE STRONG ONSHORE FLOW THAT BROUGHT STRONG GUSTY WEST WINDS WILL
WEAKEN TODAY AS UPPER LEVEL LOW PRESSURE OVER CENTRAL CALIFORNIA
MOVES INTO SOUTHERN CALIFORNIA.

CAZ056-058-061-062-081115-
/O.EXP.KSGX.WI.Y.0018.000000T0000Z-110408T1000Z/
RIVERSIDE COUNTY MOUNTAINS-SAN DIEGO COUNTY MOUNTAINS-
COACHELLA VALLEY-SAN DIEGO COUNTY DESERTS-
310 AM PDT FRI APR 8 2011

...WIND ADVISORY WILL EXPIRE AT 3 AM PDT EARLY THIS MORNING...

THE WIND ADVISORY WILL EXPIRE AT 3 AM PDT EARLY THIS MORNING. 


* TIMING: THROUGH THIS MORNING

* WINDS: WEST WINDS 15 TO 25 MPH WITH STRONGEST GUSTS TO AROUND 45
  MPH WILL GRADUALLY WEAKEN THROUGH THIS MORNING.

$$

SOME OF THE STRONGER GUSTS... 

PINYON.........56 MPH.
WHITE WATER....58 MPH. 
THERMAL........55 MPH. 
RANCHITA.......46 MPH. 
JULIAN.........55 MPH.

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

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 7, 9:13 AM PDTGale WarningSGX11 hr
Apr 7, 9:13 AM PDTSmall Craft AdvisorySGX17 hr
Apr 7, 1:06 PM PDTHigh Surf AdvisorySGXSan Diego7 hr

Nearby

Wind Advisories in California, 2011Every wind advisory 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.