Alert archive / California / Wind Advisories in 2016

Wind Advisory 39, NWS San Diego, CA

October 29, 2016Riverside County, San Diego County, California

NWS San Diego, CA issued this wind advisory at Oct 29, 2016, 1:52 PM PDT for Riverside County, San Diego County, California. It took effect at Oct 30, 2016, 11:00 AM PDT. It was in force for 10 hr.

The area

The counties it named.

The facts

Issued
Oct 29, 2016, 1:52 PM PDT (20:52 UTC)
In effect from
Oct 30, 2016, 11:00 AM PDT
Expired
Oct 30, 2016, 8:48 PM PDT
In force
10 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 20:55 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 12:00Z, 8.9 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 12:00Z on 2016-10-29Temperature 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 12:00Z on 2016-10-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 22 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
1642 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
22 m²/s²
0-3 km storm-relative helicity
130 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

174 
WWUS76 KSGX 292052
NPWSGX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN DIEGO CA
152 PM PDT SAT OCT 29 2016

...WIND ADVISORY IN EFFECT SUNDAY AFTERNOON THROUGH EVENING...

.A TROUGH OF LOW PRESSURE WILL BRING STRONG ONSHORE FLOW AND THE
POTENTIAL FOR MOUNTAIN WAVE ACTIVITY TO THE DESERT SLOPES OF THE
SAN DIEGO AND RIVERSIDE COUNTY MOUNTAINS SUNDAY.

CAZ056-058-062-065-300700-
/O.NEW.KSGX.WI.Y.0039.161030T1800Z-161031T0600Z/
RIVERSIDE COUNTY MOUNTAINS-SAN DIEGO COUNTY MOUNTAINS-
SAN DIEGO COUNTY DESERTS-SAN GORGONIO PASS NEAR BANNING-
INCLUDING THE CITIES OF...JULIAN...DESERT HOT SPRINGS
152 PM PDT SAT OCT 29 2016

...WIND ADVISORY IN EFFECT FROM 11 AM TO 11 PM PDT SUNDAY...

THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM 11 AM TO 11 PM PDT SUNDAY. 

* WINDS...WEST TO NORTHWEST WINDS 15 TO 30 MPH WITH GUSTS 40 TO
  50 MPH...LOCAL GUSTS TO 55 MPH. 

* TIMING...SUNDAY AFTERNOON AND EVENING.

* LOCATION...DESERTS SLOPES OF THE RIVERSIDE AND SAN DIEGO COUNTY
  MOUNTAINS...THROUGH THE PASSES AND CANYONS... AND BELOW THE SAN
  GORGONIO PASS.

* VISIBILITY...AREAS OF BLOWING DUST MAY PRODUCE LOCAL VISIBILITY RESTRICTIONS
  OF 3 MILES OR LESS.

* IMPACTS...HAZARDOUS TRAVEL CONDITIONS FOR HIGH PROFILE VEHICLES
  DUE TO STRONG CROSS WINDS.

* OUTLOOK...WINDS WILL WEAKEN BY EARLY MONDAY MORNING.

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.

&&

$$

ALBRIGHT
3 follow-up statements
568 
WWUS76 KSGX 301208
NPWSGX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN DIEGO CA
508 AM PDT SUN OCT 30 2016

...WIND ADVISORY IN EFFECT THIS AFTERNOON AND EVENING...

.A TROUGH OF LOW PRESSURE WILL BRING STRONG ONSHORE WINDS TO THE
MOUNTAINS OF SOCAL THIS AFTERNOON AND EVENING. THE STRONGEST WINDS
WILL BE ALONG THE DESERT SLOPES OF THE SAN DIEGO AND RIVERSIDE
COUNTY MOUNTAINS WITH A POTENTIAL THERE FOR MOUNTAIN WAVE
ACTIVITY.

CAZ056-058-062-065-302100-
/O.CON.KSGX.WI.Y.0039.161030T1800Z-161031T0600Z/
RIVERSIDE COUNTY MOUNTAINS-SAN DIEGO COUNTY MOUNTAINS-
SAN DIEGO COUNTY DESERTS-SAN GORGONIO PASS NEAR BANNING-
INCLUDING THE CITIES OF...JULIAN...DESERT HOT SPRINGS
508 AM PDT SUN OCT 30 2016

...WIND ADVISORY REMAINS IN EFFECT FROM 11 AM THIS MORNING TO
11 PM PDT THIS EVENING...

* WINDS...WEST TO NORTHWEST WINDS 20 TO 30 MPH WITH GUSTS UP TO
  55 MPH AT TIMES.

* TIMING...THIS AFTERNOON AND EVENING.

* LOCATION...DESERTS SLOPES OF THE RIVERSIDE AND SAN DIEGO 
  COUNTY MOUNTAINS...THROUGH THE PASSES AND CANYONS... AND BELOW 
  THE SAN GORGONIO PASS. 

* VISIBILITY...AREAS OF BLOWING DUST AND SAND MAY PRODUCE BRIEF
  VISIBILITY RESTRICTIONS OF 3 MILES OR LESS ALONG THE DESERT
  SLOPES.

* IMPACTS...HAZARDOUS TRAVEL CONDITIONS FOR HIGH PROFILE 
  VEHICLES DUE TO STRONG CROSS WINDS AND BLOWING DUST AND SAND. 

* OUTLOOK...WINDS WILL GRADUALLY WEAKEN LATE TONIGHT.

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.

&&

$$

JMB
581 
WWUS76 KSGX 301956
NPWSGX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN DIEGO CA
1256 PM PDT SUN OCT 30 2016

...WIND ADVISORY IN EFFECT THIS AFTERNOON AND EVENING...

.A TROUGH OF LOW PRESSURE WILL BRING STRONG ONSHORE WINDS TO THE
MOUNTAINS OF SOCAL THIS AFTERNOON AND EVENING. THE STRONGEST
WINDS WILL BE ALONG THE DESERT SLOPES OF THE SAN DIEGO AND
RIVERSIDE COUNTY MOUNTAINS WITH A POTENTIAL THERE FOR MOUNTAIN
WAVE ACTIVITY.

CAZ056-058-062-065-310600-
/O.CON.KSGX.WI.Y.0039.000000T0000Z-161031T0600Z/
RIVERSIDE COUNTY MOUNTAINS-SAN DIEGO COUNTY MOUNTAINS-
SAN DIEGO COUNTY DESERTS-SAN GORGONIO PASS NEAR BANNING-
INCLUDING THE CITIES OF...JULIAN...DESERT HOT SPRINGS
1256 PM PDT SUN OCT 30 2016

...WIND ADVISORY REMAINS IN EFFECT UNTIL 11 PM PDT THIS EVENING...

* WINDS...WEST TO NORTHWEST WINDS 20 TO 30 MPH WITH GUSTS UP TO 
  50 MPH AT TIMES. 

* TIMING...THIS AFTERNOON AND EVENING.

* LOCATION...DESERTS SLOPES OF THE RIVERSIDE AND SAN DIEGO COUNTY
  MOUNTAINS...THROUGH THE PASSES AND CANYONS...AND EAST OF THE
  SAN GORGONIO PASS.

* VISIBILITY...AREAS OF BLOWING DUST AND SAND MAY PRODUCE BRIEF 
  VISIBILITY RESTRICTIONS OF 3 MILES OR LESS ALONG THE DESERT 
  SLOPES. 

* IMPACTS...HAZARDOUS TRAVEL CONDITIONS FOR HIGH PROFILE 
  VEHICLES DUE TO STRONG CROSS WINDS AND BLOWING DUST AND SAND. 

* OUTLOOK...WINDS WILL GRADUALLY WEAKEN LATE TONIGHT.

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.

&&

$$
143 
WWUS76 KSGX 310348
NPWSGX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN DIEGO CA
848 PM PDT SUN OCT 30 2016


CAZ056-058-062-065-310500-
/O.CAN.KSGX.WI.Y.0039.000000T0000Z-161031T0600Z/
RIVERSIDE COUNTY MOUNTAINS-SAN DIEGO COUNTY MOUNTAINS-
SAN DIEGO COUNTY DESERTS-SAN GORGONIO PASS NEAR BANNING-
848 PM PDT SUN OCT 30 2016

...WIND ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS CANCELLED THE WIND
ADVISORY. 

OVER THE PAST COUPLE OF HOURS, WESTERLY WINDS HAVE FALLEN BELOW
CRITERIA AND SHOULD CONTINUE TO WEAKEN OVERNIGHT, SO THE WIND
ADVISORY HAS BEEN CANCELLED.

THE PEAK GUST OF 50 MPH WAS OBSERVED AT THE WHITEWATER RAWS SITE
AT 3 PM THIS AFTERNOON.

$$

JAD

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.