Alert archive / Nevada / Winter Weather Advisories in 2012
Winter Weather Advisory 4, NWS Reno, NV
NWS Reno, NV issued this winter weather advisory at Jan 22, 2012, 4:00 AM PST for 7 counties in Nevada; Modoc County, California. It took effect at Jan 22, 2012, 4:00 PM PST. It was in force for 17 hr.
The area
The counties it named.
The facts
- Issued
- Jan 22, 2012, 4:00 AM PST (12:00 UTC)
- In effect from
- Jan 22, 2012, 4:00 PM PST
- Expired
- Jan 23, 2012, 9:06 AM PST
- In force
- 17 hr
- Issued by
- NWS Reno, NV
Counties Modoc County, CA, Churchill County, NV, Douglas County, NV, Lyon County, NV, Mineral County, NV, Pershing County, NV, Storey County, NV, Washoe County, NV
The radar
The Reno radar (KRGX), 19 km from the middle of the area, began a volume at 12:02 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
Medford/Jackson, OR (KMFR), launched 12:00Z, 0.0 hours before the alert went out and 415 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
- 933 m above ground
- 0-6 km bulk shear
- 45 kt
- 0-1 km storm-relative helicity
- 94 m²/s²
- 0-3 km storm-relative helicity
- 338 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this winter weather advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Reno, NV wrote its last area forecast discussion before this winter weather advisory went out at Jan 21, 2:43 PM PST, 13 hours 17 minutes earlier.
Area forecast discussion, Jan 21, 2:43 PM PST, 13 hours 17 minutes before
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Service Notice</title>
<link rel="stylesheet" href="index.css">
</head>
<body>
<main class="wrap">
<section class="card" role="status" aria-live="polite">
<div class="status" id="status">Temporary Notice</div>
<h1 id="headline">This service is currently unavailable.</h1>
<p id="message1">
The site you requested is temporarily down for maintenance or an unexpected outage.
</p>
<p id="message2">
Please try again in a few minutes.
</p>
<p class="small" id="detail">
If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
</p>
</section>
</main>
<script src="index.js"></script>
</body>
</html>Hazardous weather outlook, Jan 21, 2:29 PM PST, 13 hours 31 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE RENO NV 229 PM PST SAT JAN 21 2012 CAZ070-071-NVZ001-003>005-221030- SURPRISE VALLEY CALIFORNIA-LASSEN-EASTERN PLUMAS- EASTERN SIERRA COUNTIES-MINERAL AND SOUTHERN LYON COUNTIES- GREATER RENO-CARSON CITY-MINDEN AREA- WESTERN NEVADA BASIN AND RANGE INCLUDING PYRAMID LAKE- NORTHERN WASHOE COUNTY- 229 PM PST SAT JAN 21 2012 THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE EASTERN SIERRA... NORTHEAST CALIFORNIA AND WESTERN NEVADA. .DAY ONE...THIS AFTERNOON AND TONIGHT HAZARDOUS WEATHER IS NOT EXPECTED THIS AFTERNOON AND TONIGHT. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY A PACIFIC STORM APPROACHES THE REGION ON SUNDAY AFTERNOON AND MONDAY BRINGING GUSTY WINDS SUNDAY. RAIN AND SNOW IS LIKELY ACROSS THE SIERRA AND WESTERN NEVADA. A WINTER STORM WATCH HAS BEEN ISSUED FOR THE TAHOE BASIN AND MONO COUNTY FROM SUNDAY NIGHT THROUGH MONDAY AFTERNOON. FOR WESTERN NEVADA VALLEYS...SNOW ACCUMULATIONS UP TO 2 INCHES ARE POSSIBLE ABOVE 5000 FEET. ACCUMULATIONS ON VALLEY FLOORS ARE ALSO POSSIBLE...BUT UNCERTAIN AT THIS TIME. SNOW OR RAIN/SNOW MIX RAISES CONCERNS FOR THE MONDAY MORNING COMMUTE. TIMING OF THE SYSTEM WITH CURRENT FORECAST SHOW PRECIPITATION AFFECTING THE REGION EARLY MONDAY MORNING AND CONTINUING THROUGH THE DAY. COMMUTERS AND OTHER TRAVELERS SHOULD BE AWARE OF POTENTIALLY DANGEROUS DRIVING CONDITIONS WITH SLICK/ICY ROADS BY MONDAY MORNING. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT ANTICIPATED AT THIS TIME. LINDAMAN HTTP://WEATHER.GOV/RENO
The office that day
Everything else NWS Reno, NV issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 22, 3:18 AM PST | Lake Wind Advisory | REV | Douglas, Washoe | 11 hr |
| Jan 22, 4:00 AM PST | Winter Storm Warning | REV | Douglas, Lyon, Storey, Washoe | 36 hr |
Nearby
Winter Weather Advisories in Nevada, 2012Winter Weather Advisories in California, 2012Every winter weather advisory in 2012
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.