Alert archive / California / Wind Advisories in 2016

Wind Advisory 49, NWS San Diego, CA

December 6, 2016Riverside County, San Bernardino County, San Diego County, California

NWS San Diego, CA issued this wind advisory at Dec 6, 2016, 3:51 AM PST for Riverside County, San Bernardino County, San Diego County, California. It took effect at Dec 6, 2016, 10:00 AM PST. It was in force for 17 hr.

The area

The counties it named.

The facts

Issued
Dec 6, 2016, 3:51 AM PST (11:51 UTC)
In effect from
Dec 6, 2016, 10:00 AM PST
Expired
Dec 7, 2016, 3:00 AM PST
In force
17 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 11:49 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, 11.9 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 2016-12-06Temperature 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 2016-12-06The 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1076 m above ground
0-6 km bulk shear
46 kt
0-1 km storm-relative helicity
-29 m²/s²
0-3 km storm-relative helicity
-12 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

571 
WWUS76 KSGX 061151
NPWSGX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN DIEGO CA
351 AM PST TUE DEC 6 2016

...GUSTY WEST WINDS FOR THE MOUNTAINS AND DESERTS FOR LATE THIS
MORNING THROUGH LATE TONIGHT...

.A LOW PRESSURE SYSTEM MOVING FROM THE PACIFIC NORTHWEST INTO THE
GREAT BASIN WILL BRING STRONGER ONSHORE FLOW ACROSS SOUTHERN
CALIFORNIA WITH PERIODS OF STRONGER AND GUSTY WEST WINDS FOR THE
MOUNTAINS AND DESERTS FROM LATE THIS MORNING THROUGH LATE TONIGHT.

CAZ055-056-058-060-062-065-062230-
/O.NEW.KSGX.WI.Y.0049.161206T1800Z-161207T1100Z/
SAN BERNARDINO COUNTY MOUNTAINS-RIVERSIDE COUNTY MOUNTAINS-
SAN DIEGO COUNTY MOUNTAINS-APPLE AND LUCERNE VALLEYS-
SAN DIEGO COUNTY DESERTS-SAN GORGONIO PASS NEAR BANNING-
INCLUDING THE CITIES OF...BIG BEAR CITY...JULIAN...VICTORVILLE...
HESPERIA...APPLE VALLEY...DESERT HOT SPRINGS
351 AM PST TUE DEC 6 2016

...WIND ADVISORY IN EFFECT FROM 10 AM THIS MORNING TO 3 AM PST
WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM 10 AM THIS MORNING TO 3 AM PST
WEDNESDAY. 

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

* TIMING...WINDS STRENGTHENING TODAY...STRONGEST THIS
  EVENING...THEN GRADUALLY SUBSIDING LATE TONIGHT.

* LOCATION...STRONGEST WINDS NEAR MOUNTAIN RIDGE TOPS AND ALONG
  DESERT MOUNTAIN SLOPES INTO ADJACENT DESERT AREAS.

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

* IMPACTS...HAZARDOUS DRIVING 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
2 follow-up statements
389 
WWUS76 KSGX 062144
NPWSGX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN DIEGO CA
144 PM PST TUE DEC 6 2016

...GUSTY WEST WINDS FOR THE MOUNTAINS AND DESERTS THROUGH LATE
TONIGHT...

.A LOW PRESSURE SYSTEM MOVING FROM THE PACIFIC NORTHWEST INTO THE
GREAT BASIN WILL BRING STRONGER ONSHORE FLOW ACROSS SOUTHERN
CALIFORNIA WITH PERIODS OF STRONGER AND GUSTY WEST WINDS FOR THE
MOUNTAINS AND DESERTS THROUGH LATE TONIGHT.

CAZ055-056-058-060-062-065-071100-
/O.CON.KSGX.WI.Y.0049.000000T0000Z-161207T1100Z/
SAN BERNARDINO COUNTY MOUNTAINS-RIVERSIDE COUNTY MOUNTAINS-
SAN DIEGO COUNTY MOUNTAINS-APPLE AND LUCERNE VALLEYS-
SAN DIEGO COUNTY DESERTS-SAN GORGONIO PASS NEAR BANNING-
INCLUDING THE CITIES OF...BIG BEAR CITY...JULIAN...VICTORVILLE...
HESPERIA...APPLE VALLEY...DESERT HOT SPRINGS
144 PM PST TUE DEC 6 2016

...WIND ADVISORY REMAINS IN EFFECT UNTIL 3 AM PST WEDNESDAY...

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

* TIMING...WINDS STRENGTHENING THIS AFTERNOON...STRONGEST THIS
  EVENING...THEN GRADUALLY SUBSIDING LATE TONIGHT.

* LOCATION...STRONGEST WINDS NEAR MOUNTAIN RIDGE TOPS AND ALONG 
  DESERT MOUNTAIN SLOPES INTO ADJACENT DESERT AREAS. 

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

* IMPACTS...HAZARDOUS DRIVING 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.

&&

$$
GREGORIA
586 
WWUS76 KSGX 071047
NPWSGX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN DIEGO CA
247 AM PST WED DEC 7 2016

CAZ055-056-058-060-062-065-071200-
/O.EXP.KSGX.WI.Y.0049.000000T0000Z-161207T1100Z/
SAN BERNARDINO COUNTY MOUNTAINS-RIVERSIDE COUNTY MOUNTAINS-
SAN DIEGO COUNTY MOUNTAINS-APPLE AND LUCERNE VALLEYS-
SAN DIEGO COUNTY DESERTS-SAN GORGONIO PASS NEAR BANNING-
INCLUDING THE CITIES OF...BIG BEAR CITY...JULIAN...VICTORVILLE...
HESPERIA...APPLE VALLEY...DESERT HOT SPRINGS
247 AM PST WED DEC 7 2016

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

STRONG WESTERLY WINDS WILL CONTINUE TO DECREASE THIS MORNING.

$$

Nearby

Wind Advisories in California, 2016Every wind advisory in 2016

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.