Alert archive / California / Wind Advisories in 2018

Wind Advisory 8, NWS San Diego, CA

March 2, 2018San Bernardino County, California

NWS San Diego, CA issued this wind advisory at Mar 2, 2018, 6:26 AM PST for San Bernardino County, California. It took effect at Mar 2, 2018, 9:00 AM PST. It was in force for 12 hr.

The area

The counties it named.

The facts

Issued
Mar 2, 2018, 6:26 AM PST (14:26 UTC)
In effect from
Mar 2, 2018, 9:00 AM PST
Expired
Mar 2, 2018, 9:00 PM PST
In force
12 hr
Issued by
NWS San Diego, CA

County San Bernardino County, CA

The radar

The Edwards AFB radar (KEYX), 129 km from the middle of the area, began a volume at 14:30 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

Las Vegas, NV (KVEF), launched 12:00Z, 2.4 hours before the alert went out and 180 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, Las Vegas, NV at 12:00Z on 2018-03-02Temperature 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, Las Vegas, NV at 12:00Z on 2018-03-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 222 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
2078 m above ground
0-6 km bulk shear
65 kt
0-1 km storm-relative helicity
222 m²/s²
0-3 km storm-relative helicity
339 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

960 
WWUS76 KSGX 021426
NPWSGX

URGENT - WEATHER MESSAGE
National Weather Service San Diego CA
626 AM PST Fri Mar 2 2018

CAZ060-022200-
/O.NEW.KSGX.WI.Y.0008.180302T1700Z-180303T0500Z/
Apple and Lucerne Valleys-
Including the cities of Victorville, Hesperia, and Apple Valley
626 AM PST Fri Mar 2 2018

...WIND ADVISORY IN EFFECT UNTIL 9 PM PST THIS EVENING...

The National Weather Service in San Diego has issued a Wind
Advisory...which is in effect until 9 PM PST this evening. 

* Winds...South to southwest 15 to 30 mph with gusts to 45 mph. 

* Timing...Winds increasing around 8 am and peaking 11 am through
  the afternoon then gradually decreasing after that.

* Location...San Bernardino County high deserts.

* Visibility...Locally down to a mile or less in blowing dust or
  sand. 

* Impacts...Strong winds will make travel difficult for high- 
  profile vehicles. Blowing dust and sand may reduce visibility 
  in deserts at times. 

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.

&&

$$

Harrison
2 follow-up statements
666 
WWUS76 KSGX 022109
NPWSGX

URGENT - WEATHER MESSAGE
National Weather Service San Diego CA
109 PM PST Fri Mar 2 2018

CAZ060-030500-
/O.CON.KSGX.WI.Y.0008.000000T0000Z-180303T0500Z/
Apple and Lucerne Valleys-
Including the cities of Victorville, Hesperia, and Apple Valley
109 PM PST Fri Mar 2 2018

...WIND ADVISORY REMAINS IN EFFECT UNTIL 9 PM PST THIS EVENING...

* Winds...South to southwest 15 to 30 mph with gusts to 45 mph.

* Timing...Winds peaking this afternoon then gradually decreasing
  this evening.
 
* Location...San Bernardino County high deserts.

* Visibility...Locally down to a mile or less in blowing dust or 
  sand. 

* Impacts...Strong winds will make travel difficult for high- 
  profile vehicles. Blowing dust and sand may reduce visibility 
  in deserts at times. 

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.

&&

$$

Harrison
759 
WWUS76 KSGX 030500
NPWSGX

URGENT - WEATHER MESSAGE
National Weather Service San Diego CA
900 PM PST Fri Mar 2 2018

CAZ060-030600-
/O.EXP.KSGX.WI.Y.0008.000000T0000Z-180303T0500Z/
Apple and Lucerne Valleys-
Including the cities of Victorville, Hesperia, and Apple Valley
900 PM PST Fri Mar 2 2018

...WIND ADVISORY WILL EXPIRE AT 9 PM PST THIS EVENING...

Wind gusts to 35 mph earlier this evening have been decreasing and
the wind advisory has expired. However, winds will increase again
Saturday and become strong in some areas during the afternoon and
evening.

$$

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.