Alert archive / California / Wind Advisories in 2018

Wind Advisory 9, NWS San Diego, CA

March 14, 2018Riverside County, San Bernardino County, San Diego County, California

NWS San Diego, CA issued this wind advisory at Mar 14, 2018, 2:08 AM PDT for Riverside County, San Bernardino County, San Diego County, California. It took effect at Mar 14, 2018, 11:00 AM PDT. It was in force for 12 hr.

The area

The counties it named.

The facts

Issued
Mar 14, 2018, 2:08 AM PDT (09:08 UTC)
In effect from
Mar 14, 2018, 11:00 AM PDT
Expired
Mar 14, 2018, 11:00 PM PDT
In force
12 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 09:09 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, 9.1 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 2018-03-14Temperature 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 2018-03-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 26 square meters per square second.1939587897Sfc1 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
865 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
26 m²/s²
0-3 km storm-relative helicity
112 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

975 
WWUS76 KSGX 140908
NPWSGX

URGENT - WEATHER MESSAGE
National Weather Service San Diego CA
208 AM PDT Wed Mar 14 2018

CAZ055-056-058-060>062-065-142200-
/O.NEW.KSGX.WI.Y.0009.180314T1800Z-180315T0600Z/
San Bernardino County Mountains-Riverside County Mountains-
San Diego County Mountains-Apple and Lucerne Valleys-
Coachella Valley-San Diego County Deserts-
San Gorgonio Pass Near Banning-
Including the cities of Big Bear City, Wrightwood, Victorville, 
Hesperia, Apple Valley, Indio, Palm Springs, Cathedral City, 
Palm Desert, Palm Desert Country, La Quinta, Coachella, 
Borrego Springs, and Desert Hot Springs
208 AM PDT Wed Mar 14 2018

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

The National Weather Service in San Diego has issued a Wind
Advisory...which is in effect from 11 AM this morning to 11 PM
PDT this evening. 

* Winds...west winds increasing to 20 to 30 mph with gusts to 50  
  mph.

* Timing...strongest winds late this afternoon and this evening.

* Location...desert mountain slopes to the desert floor.

* Visibility...patchy blowing dust could result in sudden
  restrictions in visibility to less than a quarter of a mile.

* Impacts...difficult driving for high profile vehicles and sudden
  restrictions in visibility in patchy blowing dust. 

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
2 follow-up statements
051 
WWUS76 KSGX 142144
NPWSGX

URGENT - WEATHER MESSAGE
National Weather Service San Diego CA
244 PM PDT Wed Mar 14 2018


CAZ055-056-058-060>062-065-150600-
/O.CON.KSGX.WI.Y.0009.000000T0000Z-180315T0600Z/
San Bernardino County Mountains-Riverside County Mountains-
San Diego County Mountains-Apple and Lucerne Valleys-
Coachella Valley-San Diego County Deserts-
San Gorgonio Pass Near Banning-
Including the cities of Big Bear City, Wrightwood, Victorville, 
Hesperia, Apple Valley, Indio, Palm Springs, Cathedral City, 
Palm Desert, Palm Desert Country, La Quinta, Coachella, 
Borrego Springs, and Desert Hot Springs
244 PM PDT Wed Mar 14 2018

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

* Winds...West winds increasing to 20 to 30 mph with gusts to 50 
  mph. 

* Timing...Strongest winds late this afternoon and this evening.

* Location...Desert mountain slopes to the desert floor.

* Visibility...Blowing dust could result in sudden restrictions 
  in visibility to less than a quarter of a mile. 

* Impacts...Difficult driving for high profile vehicles and 
  sudden restrictions in visibility in patchy blowing dust. 

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.

&&

$$

Moede
308 
WWUS76 KSGX 150549
NPWSGX

URGENT - WEATHER MESSAGE
National Weather Service San Diego CA
1049 PM PDT Wed Mar 14 2018

CAZ055-056-058-060>062-065-150700-
/O.EXP.KSGX.WI.Y.0009.000000T0000Z-180315T0600Z/
San Bernardino County Mountains-Riverside County Mountains-
San Diego County Mountains-Apple and Lucerne Valleys-
Coachella Valley-San Diego County Deserts-
San Gorgonio Pass Near Banning-
Including the cities of Big Bear City, Wrightwood, Victorville, 
Hesperia, Apple Valley, Indio, Palm Springs, Cathedral City, 
Palm Desert, Palm Desert Country, La Quinta, Coachella, 
Borrego Springs, and Desert Hot Springs
1049 PM PDT Wed Mar 14 2018

...WIND ADVISORY WILL EXPIRE AT 11 PM PDT THIS EVENING...

Winds continue to subside across the region. As such, the Wind
Advisory will be allowed to expire at 11 PM this evening.
Localized wind gusts of 30 to 40 mph will be possible along the
desert slopes tonight, but having little if any impacts.

$$
Gregoria

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 14, 1:32 PM PDTSmall Craft AdvisorySGX36 hr

Nearby

Wind Advisories in California, 2018Every wind advisory in 2018

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.