Alert archive / Nevada / Snow Advisories in 2008
Snow Advisory 7, NWS Las Vegas, NV
NWS Las Vegas, NV issued this snow advisory at Jan 27, 2008, 3:45 PM PST for 4 counties in Nevada. It was in force for 12 hr.
The area
The counties it named.
The facts
- Issued
- Jan 27, 2008, 3:45 PM PST (23:45 UTC)
- Expired
- Jan 28, 2008, 4:00 AM PST
- In force
- 12 hr
- Issued by
- NWS Las Vegas, NV
Counties Clark County, NV, Esmeralda County, NV, Lincoln County, NV, Nye County, NV
The radar
The Las Vegas radar (KESX), 215 km from the middle of the area, began a volume at 23:46 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
Reno, NV (KREV), launched 12:00Z, 11.8 hours before the alert went out and 306 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 804 m above ground
- 0-6 km bulk shear
- 54 kt
- 0-1 km storm-relative helicity
- 200 m²/s²
- 0-3 km storm-relative helicity
- 374 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this snow 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 snow advisory went out at Jan 27, 3:15 PM PST, 30 minutes earlier.
Area forecast discussion, Jan 27, 3:15 PM PST, 30 minutes before
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</html>Hazardous weather outlook, Jan 27, 5:46 AM PST, 9 hours 59 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE LAS VEGAS NV 546 AM PST SUN JAN 27 2008 AZZ001>003-036-CAZ519>527-NVZ014>022-280800- NORTHWEST PLATEAU-LOWER COLORADO RIVER VALLEY-NORTHWEST DESERTS- LAKE MEAD NATIONAL RECREATION AREA-EASTERN SIERRA SLOPES- 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-LINCOLN COUNTY- NORTHEAST CLARK COUNTY-WESTERN CLARK AND SOUTHERN NYE COUNTY- SHEEP RANGE-SPRING MOUNTAINS-LAS VEGAS VALLEY- SOUTHERN CLARK COUNTY- 546 AM PST SUN JAN 27 2008 /646 AM MST SUN JAN 27 2008/ THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTHWEST ARIZONA...CALIFORNIA AND SOUTHERN NEVADA. .DAY ONE...TODAY AND TONIGHT A MAJOR PACIFIC STORM WILL AFFECT THE ENTIRE AREA TODAY WITH VALLEY RAIN AND MOUNTAIN SNOW. WINTER STORM WARNINGS ARE IN EFFECT TODAY FOR MANY OF THE HIGHER ELEVATION AREAS...AND FLASH FLOOD WATCHES ARE IN EFFECT FOR PORTIONS OF THE DESERTS. PLEASE REFER TO PRODUCTS RNOWSWVEF AND RNOFFAVEF FOR MORE DETAILS. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY HIGH WIND WATCHES ARE IN EFFECT FOR MUCH OF SOUTHEAST CALIFORNIA AND PORTIONS OF SOUTHERN NEVADA BEGINNING EARLY MONDAY MORNING AND CONTINUING THROUGH MONDAY EVENING. PLEASE REFER TO PRODUCT RNONPWVEF FOR MORE DETAILS. AS THE MAIN STORM MOVES AWAY MONDAY...SNOW SHOWERS WILL PERSIST...ESPECIALLY IN THE MOUNTAIN AREAS. STRONG WINDS WILL ALSO RESULT IN BLOWING AND DRIFTING SNOW. AFTER A LULL TUESDAY...ANOTHER STORM WILL AFFECT THE AREA ON WEDNESDAY...BUT IT IS EXPECTED TO BE MUCH WEAKER THAN THE CURRENT STORM. YET ANOTHER STORM MAY ARRIVE NEXT WEEKEND. .SPOTTER INFORMATION STATEMENT... SPOTTERS ARE REQUESTED TO REPORT SIGNIFICANT WEATHER ACCORDING TO STANDARD OPERATING PROCEDURES. MORGAN
The office that day
Everything else NWS Las Vegas, NV issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 26, 4:10 PM PST | High Wind Watch | VEF | Clark, Lincoln, Nye | 36 hr |
Nearby
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.