Alert archive / California / Wind Advisories in 2016

Wind Advisory 22, NWS San Diego, CA

April 17, 20164 counties in California

NWS San Diego, CA issued this wind advisory at Apr 17, 2016, 3:32 AM PDT for 4 counties in California. It took effect at Apr 17, 2016, 6:00 AM PDT. It was in force for 8 hr.

The area

The counties it named.

The facts

Issued
Apr 17, 2016, 3:32 AM PDT (10:32 UTC)
In effect from
Apr 17, 2016, 6:00 AM PDT
Expired
Apr 17, 2016, 2:00 PM PDT
In force
8 hr
Issued by
NWS San Diego, CA

Counties Orange County, CA, Riverside County, CA, San Bernardino County, CA, San Diego County, CA

The radar

The Santa Ana Mts radar (KSOX), 88 km from the middle of the area, began a volume at 10:30 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, 10.5 hours before the alert went out and 124 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 2016-04-17Temperature 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 2016-04-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 2 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
3564 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
2 m²/s²
0-3 km storm-relative helicity
-75 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

575 
WWUS76 KSGX 171032
NPWSGX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN DIEGO CA
332 AM PDT SUN APR 17 2016

...GUSTY NORTHEAST WINDS NEAR THE COASTAL MOUNTAIN SLOPES AND
BELOW PASSES AND CANYONS THROUGH EARLY AFTERNOON...

.SURFACE HIGH PRESSURE WILL BRING A PERIOD OF GUSTY NORTHEAST
WINDS NEAR THE COASTAL MOUNTAIN SLOPES AND BELOW PASSES AND
CANYONS. THE WINDS WILL DEVELOP AROUND SUNRISE...STRENGTHEN
THROUGH MID TO LATE MORNING...THEN DIMINISH DURING THE AFTERNOON.

CAZ048-050-055>058-065-554-172100-
/O.NEW.KSGX.WI.Y.0022.160417T1300Z-160417T2100Z/
SAN BERNARDINO AND RIVERSIDE COUNTY VALLEYS-THE INLAND EMPIRE-
SAN DIEGO COUNTY VALLEYS-SAN BERNARDINO COUNTY MOUNTAINS-
RIVERSIDE COUNTY MOUNTAINS-SANTA ANA MOUNTAINS AND FOOTHILLS-
SAN DIEGO COUNTY MOUNTAINS-SAN GORGONIO PASS NEAR BANNING-
ORANGE COUNTY INLAND AREAS-
332 AM PDT SUN APR 17 2016

...WIND ADVISORY IN EFFECT UNTIL 2 PM PDT THIS AFTERNOON...

THE NATIONAL WEATHER SERVICE IN SAN DIEGO HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT UNTIL 2 PM PDT THIS AFTERNOON. 

* WINDS...AREAS OF NORTHEAST WINDS 20 TO 30 MPH WITH GUSTS TO 45
  MPH.

* TIMING...THE WINDS WILL DEVELOP AROUND SUNRISE...STRENGTHEN THROUGH
  MID TO LATE MORNING...THEN DIMINISH DURING THE AFTERNOON.

* LOCATION...STRONGEST AND MOST WIDESPREAD WINDS ARE EXPECTED
  ALONG AND NEAR THE COASTAL MOUNTAIN SLOPES AND BELOW PASSES AND
  CANYONS.

* VISIBILITY...LOCALLY REDUCED IN BLOWING DUST...MAINLY IN
  PORTIONS OF THE VALLEYS.

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.

&&

$$

FOR A DETAILED MAP OF THE HAZARD:
WWW.WRH.NOAA.GOV/WRH/WHV/?WFO=SGX

17
1 follow-up statement
603 
WWUS76 KSGX 172046
NPWSGX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SAN DIEGO CA
146 PM PDT SUN APR 17 2016

...WIND ADVISORY EXPIRES AT 2 PM...


CAZ048-050-055>058-065-554-172200-
/O.EXP.KSGX.WI.Y.0022.000000T0000Z-160417T2100Z/
SAN BERNARDINO AND RIVERSIDE COUNTY VALLEYS-THE INLAND EMPIRE-
SAN DIEGO COUNTY VALLEYS-SAN BERNARDINO COUNTY MOUNTAINS-
RIVERSIDE COUNTY MOUNTAINS-SANTA ANA MOUNTAINS AND FOOTHILLS-
SAN DIEGO COUNTY MOUNTAINS-SAN GORGONIO PASS NEAR BANNING-
ORANGE COUNTY INLAND AREAS-
146 PM PDT SUN APR 17 2016

...WIND ADVISORY WILL EXPIRE AT 2 PM PDT THIS AFTERNOON...

WINDS HAVE SUBSIDED ACROSS THE AREA AND ARE EXPECTED TO CONTINUE
TRENDING WEAKER.

$$

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.