Alert archive / California / Wind Advisories in 2007

Wind Advisory 4, NWS Las Vegas, NV

January 18, 2007San Bernardino County, California; Mohave County, Arizona

NWS Las Vegas, NV issued this wind advisory at Jan 18, 2007, 10:46 AM PST for San Bernardino County, California; Mohave County, Arizona. It was in force for 13 hr.

The area

The counties it named.

The facts

Issued
Jan 18, 2007, 10:46 AM PST (18:46 UTC)
Expired
Jan 18, 2007, 11:30 PM PST
In force
13 hr
Issued by
NWS Las Vegas, NV

Counties Mohave County, AZ, San Bernardino County, CA

The radar

The Las Vegas radar (KESX), 48 km from the middle of the area, began a volume at 18:45 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

Mercury/Desert R, NV (KDRA), launched 12:00Z, 6.8 hours before the alert went out and 176 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, Mercury/Desert R, NV at 12:00Z on 2007-01-18Temperature 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, Mercury/Desert R, NV at 12:00Z on 2007-01-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 33 square meters per square second.1939Sfc1 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
2550 m above ground
0-6 km bulk shear
11 kt
0-1 km storm-relative helicity
33 m²/s²
0-3 km storm-relative helicity
101 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WWUS75 KVEF 181846
NPWVEF

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LAS VEGAS NV
1046 AM PST THU JAN 18 2007

CAZ520-523-190200-
/O.NEW.KVEF.WI.Y.0004.070118T1846Z-070119T0200Z/
OWENS VALLEY-WESTERN MOJAVE DESERT-
INCLUDING THE CITIES OF...BISHOP...INDEPENDENCE...LONE PINE...
BARSTOW...DAGGETT...FT IRWIN
1046 AM PST THU JAN 18 2007

...WIND ADVISORY IN EFFECT UNTIL 6 PM PST THIS AFTERNOON...

THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT UNTIL 6 PM PST THIS AFTERNOON. 

STRONG NORTHERLY WINDS ARE CONTINUING IN PORTIONS OF THE SOUTHERN
OWENS VALLEY AND IN WESTERN MOJAVE DESERT. AT 10 AM PST WINDS WERE
GUSTING TO NEARLY 60 MPH NEAR HIGHWAY 395 AT THE FIVE MILE
STATION THAT IS LOCATED IN THE SOUTHWESTERN CORNER OF THE OWENS
VALLEY. MANY SENSORS AT FORT IRWIN WERE ALSO REPORTING STRONG
NORTHERLY WINDS WITH GUSTS TO OVER 40 MPH.

MOTORISTS IN SOUTHERN INYO AND NORTHWESTERN SAN BERNARDINO
COUNTIES SHOULD BE PREPARED FOR GUSTY NORTH LY WINDS WHICH MAY MAKE
DRIVING CONDITIONS VERY DIFFICULT AT TIMES.

$$

BELL
3 follow-up statements
000 
WWUS75 KVEF 181914
NPWVEF

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LAS VEGAS NV
1114 AM PST THU JAN 18 2007

AZZ002-036-CAZ527-NVZ021-190315-
/O.EXB.KVEF.WI.Y.0004.000000T0000Z-070119T1200Z/
LAKE HAVASU AND FORT MOHAVE-LAKE MEAD NATIONAL RECREATION AREA-
SAN BERNARDINO COUNTY-UPPER COLORADO RIVER VALLEY-
INCLUDING THE CITIES OF...LAKE HAVASU...TOPOCK...NEEDLES...
LAUGHLIN...BULLHEAD CITY...HOOVER DAM
1114 AM PST THU JAN 18 2007 /1214 PM MST THU JAN 18 2007/

...WIND ADVISORY IN EFFECT UNTIL 4 AM PST /5 AM MST/ FRIDAY...

THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT UNTIL 4 AM PST /5 AM MST/ FRIDAY. 

STRONG NORTHERLY WINDS ARE CURRENTLY BEING REPORTED ALONG LAKE
MEAD AND SOUTHWARD INTO THE UPPER COLORADO RIVER VALLEY. AT 12 PM 
MST A WEATHER SERVICE SPOTTER NEAR BULLHEAD CITY REPORTED WIND
GUSTS TO 47 MPH. OTHER SENSORS IN THE AREA WERE REPORTING GUSTS
NEAR 30 MPH. WINDS ARE EXPECTED TO LOCALLY GUST TO OVER 40 MPH
THROUGH LATE TONIGHT UNTIL THE PRESSURE GRADIENT BEGINS TO WEAKEN.

MOTORISTS AND BOATERS SHOULD BE PREPARED FOR THE
POSSIBILITY OF HAZARDOUS CONDITIONS. STRONG NORTHERLY WINDS IN
CHANNELED AREAS ALONG LAKE MEAD MAY PRODUCE DANGEROUS BOATING
CONDITIONS.

$$

CAZ520-523-190200-
/O.CON.KVEF.WI.Y.0004.000000T0000Z-070119T0200Z/
OWENS VALLEY-WESTERN MOJAVE DESERT-
INCLUDING THE CITIES OF...BISHOP...INDEPENDENCE...LONE PINE...
BARSTOW...DAGGETT...FT IRWIN
1114 AM PST THU JAN 18 2007

...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM PST THIS
AFTERNOON...

A WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM PST THIS AFTERNOON. 

STRONG NORTHERLY WINDS ARE CONTINUING IN PORTIONS OF THE SOUTHERN
OWENS VALLEY AND IN WESTERN MOJAVE DESERT. AT 10 AM PST WINDS
WERE GUSTING TO NEARLY 60 MPH NEAR HIGHWAY 395 AT THE FIVE MILE
STATION THAT IS LOCATED IN THE SOUTHWESTERN CORNER OF THE OWENS
VALLEY. MANY SENSORS AT FORT IRWIN WERE ALSO REPORTING STRONG
NORTHERLY WINDS WITH GUSTS TO OVER 40 MPH.

MOTORISTS IN SOUTHERN INYO AND NORTHWESTERN SAN BERNARDINO
COUNTIES SHOULD BE PREPARED FOR GUSTY NORTH LY WINDS WHICH MAY
MAKE DRIVING CONDITIONS VERY DIFFICULT AT TIMES.

$$

BELL
000 
WWUS75 KVEF 190205
NPWVEF

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LAS VEGAS NV
605 PM PST THU JAN 18 2007

CAZ520-523-190315-
/O.CAN.KVEF.WI.Y.0004.000000T0000Z-070119T0200Z/
OWENS VALLEY-WESTERN MOJAVE DESERT-
INCLUDING THE CITIES OF...BISHOP...INDEPENDENCE...LONE PINE...
BARSTOW...DAGGETT...FT IRWIN
605 PM PST THU JAN 18 2007

...WIND ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN LAS VEGAS WILL ALLOW THE WIND
ADVISORY FOR THE OWENS VALLEY AND WESTERN MOJAVE DESERT TO EXPIRE
AT 600 PM. WINDS HAVE GRADUALLY DECREASED OVER THE PAST COUPLE OF
HOURS AND THIS TREND SHOULD CONTINUE. WIND PRONE AREAS MAY STILL
SEE GUSTS TO NEAR 40 MPH THROUGHOUT THE EVENING HOURS.

$$

AZZ002-036-CAZ527-NVZ021-191200-
/O.CON.KVEF.WI.Y.0004.000000T0000Z-070119T1200Z/
LAKE HAVASU AND FORT MOHAVE-LAKE MEAD NATIONAL RECREATION AREA-
SAN BERNARDINO COUNTY-UPPER COLORADO RIVER VALLEY-
INCLUDING THE CITIES OF...LAKE HAVASU...TOPOCK...NEEDLES...
LAUGHLIN...BULLHEAD CITY...HOOVER DAM
605 PM PST THU JAN 18 2007 /705 PM MST THU JAN 18 2007/

...WIND ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST /5 AM MST/
FRIDAY...

A WIND ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST /5 AM MST/
FRIDAY. 

NORTHERLY WINDS WILL PERSIST ACROSS THE LAKE MEAD RECREATION AREA
AND ALONG THE COLORADO RIVER INTO THE OVERNIGHT HOURS. ALTHOUGH
HIGH WINDS ARE NOT EXPECTED TO BE SUSTAINED...GUSTS IN EXCESS OF
40 MPH SHOULD BE ANTICIPATED THROUGH LATE TONIGHT UNTIL THE
PRESSURE GRADIENT BEGINS TO WEAKEN.

MOTORISTS AND BOATERS SHOULD BE PREPARED FOR THE POSSIBILITY OF
HAZARDOUS CONDITIONS. STRONG NORTHERLY WINDS IN CHANNELED AREAS
ALONG LAKE MEAD MAY PRODUCE DANGEROUS BOATING CONDITIONS.

$$
000 
WWUS75 KVEF 190730
NPWVEF

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LAS VEGAS NV
1130 PM PST THU JAN 18 2007

AZZ002-036-CAZ527-NVZ021-190830-
/O.CAN.KVEF.WI.Y.0004.000000T0000Z-070119T1200Z/
LAKE HAVASU AND FORT MOHAVE-LAKE MEAD NATIONAL RECREATION AREA-
SAN BERNARDINO COUNTY-UPPER COLORADO RIVER VALLEY-
INCLUDING THE CITIES OF...LAKE HAVASU...TOPOCK...NEEDLES...
LAUGHLIN...BULLHEAD CITY...HOOVER DAM
1130 PM PST THU JAN 18 2007 /1230 AM MST FRI JAN 19 2007/

...WIND ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS CANCELED THE WIND
ADVISORY FOR THE LAKE MEAD NATIONAL RECREATION AREA AND THE UPPER
COLORADO RIVER VALLEY. NORTH WINDS CONTINUE TO BLOW DOWN THE
COLORADO RIVER VALLEY...BUT ARE GENERALLY 10 TO 20 MPH WITH GUSTS
TO 30 MPH.

$$

Nearby

Wind Advisories in California, 2007Wind Advisories in Arizona, 2007Wind Advisories in Nevada, 2007Every wind advisory in 2007

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.