Alert archive / Nevada / Wind Advisories in 2010

Wind Advisory 44, NWS Las Vegas, NV

December 20, 2010Clark County, Nye County, Nevada

NWS Las Vegas, NV issued this wind advisory at Dec 20, 2010, 3:52 AM PST for Clark County, Nye County, Nevada. It was in force for 3 hr.

The area

The counties it named.

The facts

Issued
Dec 20, 2010, 3:52 AM PST (11:52 UTC)
Expired
Dec 20, 2010, 6:50 AM PST
In force
3 hr
Issued by
NWS Las Vegas, NV

Counties Clark County, NV, Nye County, NV

The radar

The Las Vegas radar (KESX), 176 km from the middle of the area, began a volume at 11:52 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, 11.9 hours before the alert went out and 86 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 2010-12-20Temperature 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°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Las Vegas, NV at 00:00Z on 2010-12-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 266 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
0 m above ground
0-6 km bulk shear
69 kt
0-1 km storm-relative helicity
266 m²/s²
0-3 km storm-relative helicity
431 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this wind advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Las Vegas, NV wrote its last area forecast discussion before this wind advisory went out at Dec 20, 3:45 AM PST, 7 minutes earlier.

Area forecast discussion, Dec 20, 3:45 AM PST, 7 minutes before
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Hazardous weather outlook, Dec 19, 6:03 AM PST, 21 hours 49 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE LAS VEGAS NV
603 AM PST SUN DEC 19 2010

CAZ519-200300-
EASTERN SIERRA SLOPES-
603 AM PST SUN DEC 19 2010

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CALIFORNIA.

.DAY ONE...TODAY AND TONIGHT

THE WINTER STORM WARNING REMAINS IN EFFECT THROUGH 4 AM MONDAY
MORNING. ADDITION ACCUMULATIONS OF 12 TO 24 INCHES MAY BE SEEN BY
MONDAY MORNING AT THE 8000 FOOT LEVEL WITH 2 TO 3 ADDITIONAL FEET
IN THE HIGHER ELEVATIONS. GUSTY WINDS AT TIMES WILL ALSO CREATE
AREAS OF BLOWING AND DRIFTING SNOW.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY

SNOW...LOCALLY HEAVY AT TIMES WILL CONTINUE ON MONDAY BEFORE
TAPERING OFF AND TURNING TO SHOWERS ON TUESDAY AND WEDNESDAY.
DRYING WILL BE SEEN THURSDAY AND FRIDAY BUT ANOTHER STORM WILL
BEGIN TO MOVE INTO THE AREA OVER THE CHRISTMAS WEEKEND.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME. HOWEVER...SPOTTERS
ARE ENCOURAGED TO REPORT ANY SIGNIFICANT WEATHER CONDITIONS
ACCORDING TO STANDARD OPERATING PROCEDURES.

AZZ002-003-CAZ520>527-NVZ014-017>020-022-200300-
LOWER COLORADO RIVER VALLEY-NORTHWEST DESERTS-OWENS VALLEY-
WHITE MOUNTAINS OF INYO COUNTY-DEATH VALLEY NATIONAL PARK-
WESTERN MOJAVE DESERT-EASTERN MOJAVE DESERT-MORONGO BASIN-
CADIZ BASIN-SAN BERNARDINO COUNTY-UPPER COLORADO RIVER VALLEY-
ESMERALDA AND CENTRAL NYE COUNTY-
WESTERN CLARK AND SOUTHERN NYE COUNTY-SHEEP RANGE-
SPRING MOUNTAINS-LAS VEGAS VALLEY-SOUTHERN CLARK COUNTY-
603 AM PST SUN DEC 19 2010 /703 AM MST SUN DEC 19 2010/

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTHWEST
ARIZONA...CALIFORNIA AND SOUTHERN NEVADA.

.DAY ONE...TODAY AND TONIGHT

AREAS OF LIGHT RAIN AND SNOW WILL OCCUR ACROSS THE REGION TODAY
AND TONIGHT. MEASURABLE SNOWFALL WILL BE CONFINED TO ELEVATIONS
ABOVE 8000 FEET WITH ACCUMULATIONS GENERALLY OF 1 TO 3 INCHES.
LOCAL GUSTY WINDS TO NEAR 40 MPH WILL ALSO BE SEEN ACROSS MUCH OF
THE AREA.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY

RAIN AND SNOW WILL INCREASE...ESPECIALLY ALONG THE INTERSTATE 15
CORRIDOR MONDAY AND INTO TUESDAY BEFORE SLOWLY SHIFTING SOUTH ON
WEDNESDAY. LOCALLY HEAVY RAINFALL MAY BE SEEN DURING THIS TIME
WITH SNOW OVER THE HIGHEST ELEVATIONS. GUSTY WINDS ARE POSSIBLE ON
MONDAY. THURSDAY AND FRIDAY WILL SEE A DRYING TREND...BUT ANOTHER
STORM IS FORECAST TO MOVE INTO THE AREA ON CHRISTMAS DAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME. HOWEVER...SPOTTERS
ARE ENCOURAGED TO REPORT ANY SIGNIFICANT WEATHER CONDITIONS
ACCORDING TO STANDARD OPERATING PROCEDURES.

AZZ001-036-NVZ015-016-021-200300-
NORTHWEST PLATEAU-LAKE MEAD NATIONAL RECREATION AREA-
LINCOLN COUNTY-NORTHEAST CLARK COUNTY-
603 AM PST SUN DEC 19 2010 /703 AM MST SUN DEC 19 2010/

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTHWEST
ARIZONA AND SOUTHERN NEVADA.

.DAY ONE...TODAY AND TONIGHT

AREAS OF LIGHT RAIN WILL OCCUR ACROSS THE REGION TODAY AND
TONIGHT WITH LOCAL GUSTY WINDS TO NEAR 40 MPH.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY

RAIN AND SNOW WILL INCREASE...ESPECIALLY TUESDAY INTO WEDNESDAY
BEFORE MOVING OUT OF THE AREA THURSDAY AND FRIDAY. LOCALLY HEAVY
RAINFALL IS POSSIBLE FROM THE MONDAY AFTERNOON THROUGH WEDNESDAY
TIMEFRAME WITH POSSIBLE TOTAL RAINFALL ACCUMULATIONS OF 3 INCHES
OR MORE IN SOME AREAS. THIS RAINFALL WILL LIKELY INCREASE THE FLOW
ALONG THE VIRGIN AND MUDDY RIVERS. AT THE SAME TIME...LOWERING
SNOW LEVELS MAY CREATE ACCUMULATIONS AT THE HIGHER ELEVATIONS...
ESPECIALLY TUESDAY AND WEDNESDAY. AFTER THE DRYING ON THURSDAY AND
FRIDAY ANOTHER STORM WILL BE HEADING TOWARDS THE AREA ON CHRISTMAS
DAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME. HOWEVER...SPOTTERS
ARE ENCOURAGED TO REPORT ANY SIGNIFICANT WEATHER CONDITIONS
ACCORDING TO STANDARD OPERATING PROCEDURES.

In the hours before

Local storm report, Dec 20, 12:08 AM PST, 3 hours 44 minutes before
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Local storm report, Dec 20, 12:12 AM PST, 3 hours 40 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Dec 20, 4:31 AM PSTFlash Flood WatchVEFClark, Lincoln, Nye66 hr
Dec 20, 11:37 AM PSTAreal Flood WarningVEFClark3 days
Dec 20, 2:44 PM PSTFlash Flood WarningVEFClark6 hr
Dec 19, 4:49 PM PSTFlash Flood WarningVEFInyo6 hr
Dec 19, 4:55 PM PSTFlash Flood WarningVEFSan Bernardino6 hr
Dec 20, 1:32 AM PSTAreal Flood AdvisoryVEFSan Bernardino88 min
Dec 20, 2:00 PM PSTFlash Flood WarningVEFSan Bernardino18 hr
Dec 20, 2:23 PM PSTAreal Flood AdvisoryVEF4 hr
Dec 20, 2:51 PM PSTFlash Flood WarningVEFSan Bernardino6 hr
Dec 20, 3:20 PM PSTWinter Storm WatchVEFInyo12 hr
Dec 20, 3:25 PM PSTAreal Flood AdvisoryVEFInyo, San Bernardino8 hr

Nearby

Wind Advisories in Nevada, 2010Every wind advisory in 2010

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.