Alert archive / California / Wind Advisories in 2016

Wind Advisory 50, NWS Las Vegas, NV

December 24, 2016San Bernardino County, California

NWS Las Vegas, NV issued this wind advisory at Dec 24, 2016, 2:14 AM PST for San Bernardino County, California. It took effect at Dec 24, 2016, 7:00 AM PST. It was in force for 15 hr.

The area

The counties it named.

The facts

Issued
Dec 24, 2016, 2:14 AM PST (10:14 UTC)
In effect from
Dec 24, 2016, 7:00 AM PST
Expired
Dec 24, 2016, 10:00 PM PST
In force
15 hr
Issued by
NWS Las Vegas, NV

County San Bernardino County, CA

The radar

The Edwards AFB radar (KEYX), 129 km from the middle of the area, began a volume at 10:17 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 00:00Z, 10.2 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 00:00Z on 2016-12-24Temperature 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 00:00Z on 2016-12-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 135 square meters per square second.1939587897117Sfc1 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
1122 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
135 m²/s²
0-3 km storm-relative helicity
223 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

543 
WWUS75 KVEF 241014
NPWVEF

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LAS VEGAS NV
214 AM PST SAT DEC 24 2016

CAZ523-525-250000-
/O.NEW.KVEF.WI.Y.0050.161224T1500Z-161225T0600Z/
WESTERN MOJAVE DESERT-MORONGO BASIN-
INCLUDING THE CITIES OF...BARSTOW...DAGGETT...FORT IRWIN...
MORONGO VALLEY...YUCCA VALLEY...TWENTYNINE PALMS
214 AM PST SAT DEC 24 2016

...WIND ADVISORY IN EFFECT FROM 7 AM THIS MORNING TO 10 PM PST
THIS EVENING...

THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM 7 AM THIS MORNING TO 10 PM PST
THIS EVENING FOR THE WESTERN MOJAVE DESERT AND MORONGO BASIN IN SAN
BERNARDINO COUNTY.

* TIMING...WINDS WILL BECOME STRONG IN THE BARSTOW AREA BY MID
  MORNING WITH STRONG WINDS SPREADING TO THE MORONGO BASIN LATE
  MORNING OR EARLY AFTERNOON. THE STRONG WINDS WILL CONTINUE THROUGH
  THE AFTERNOON AND EARLY EVENING BEFORE DECREASING.

* WINDS...WEST WINDS 20 TO 35 MPH WITH GUSTS TO 45 MPH. 

* IMPACTS...UNSECURED OBJECTS WILL BE BLOWN AROUND. DRIVING COULD BE
  DIFFICULT AT TIMES DUE TO CROSSWINDS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS STRONG WINDS GUSTING OVER 40 MPH CAN MAKE
DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE
EXTRA CAUTION.

&&

$$
2 follow-up statements
082 
WWUS75 KVEF 242242
NPWVEF

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LAS VEGAS NV
242 PM PST SAT DEC 24 2016

CAZ523-525-250600-
/O.CON.KVEF.WI.Y.0050.000000T0000Z-161225T0600Z/
WESTERN MOJAVE DESERT-MORONGO BASIN-
INCLUDING THE CITIES OF...BARSTOW...DAGGETT...FORT IRWIN...
MORONGO VALLEY...YUCCA VALLEY...TWENTYNINE PALMS
242 PM PST SAT DEC 24 2016

...WIND ADVISORY REMAINS IN EFFECT UNTIL 10 PM PST THIS EVENING...

* TIMING...STRONG WINDS WILL CONTINUE THROUGH THIS EVENING BEFORE
  DECREASING LATER TONIGHT.

* WINDS...WEST WINDS 20 TO 35 MPH WITH GUSTS TO 45 MPH.

* IMPACTS...UNSECURED OBJECTS WILL BE BLOWN AROUND. DRIVING 
  COULD BE DIFFICULT AT TIMES DUE TO CROSSWINDS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS STRONG WINDS GUSTING OVER 40 MPH CAN MAKE
DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE
EXTRA CAUTION.

&&

$$
344 
WWUS75 KVEF 250531
NPWVEF

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LAS VEGAS NV
931 PM PST SAT DEC 24 2016

CAZ523-525-250645-
/O.EXP.KVEF.WI.Y.0050.000000T0000Z-161225T0600Z/
WESTERN MOJAVE DESERT-MORONGO BASIN-
INCLUDING THE CITIES OF...BARSTOW...DAGGETT...FORT IRWIN...
MORONGO VALLEY...YUCCA VALLEY...TWENTYNINE PALMS
931 PM PST SAT DEC 24 2016

...WIND ADVISORY WILL EXPIRE AT 10 PM PST THIS EVENING...

WINDS WERE DECREASING OVER WESTERN SAN BERNARDINO COUNTY THIS
EVENING, SO THE WIND ADVISORY WILL BE ALLOWED TO EXPIRE.

$$

MORGAN

The office that day

Everything else NWS Las Vegas, NV issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Dec 23, 8:26 PM PSTAreal Flood AdvisoryVEFSan Bernardino3 hr

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.