Alert archive / California / Winter Storm Warnings in 2006

Winter Storm Warning 15, NWS Reno, NV

April 14, 2006Douglas County, Washoe County, Nevada; 9 counties in California

NWS Reno, NV issued this winter storm warning at Apr 14, 2006, 9:47 PM PDT for Douglas County, Washoe County, Nevada; 9 counties in California. It took effect at Apr 15, 2006, 8:00 PM PDT. It was in force for 32 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Apr 14, 2006, 9:47 PM PDT (04:47 UTC)
In effect from: Apr 15, 2006, 8:00 PM PDT
Expired: Apr 17, 2006, 3:50 AM PDT
In force: 32 hr
Issued by: NWS Reno, NV

Counties Alpine County, CA, El Dorado County, CA, Lassen County, CA, Modoc County, CA, Mono County, CA, Nevada County, CA, Placer County, CA, Plumas County, CA, Sierra County, CA, Douglas County, NV, Washoe County, NV

The radar

The Reno radar (KRGX), 70 km from the middle of the area, began a volume at 04:49 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 00:00Z, 4.8 hours before the alert went out and 175 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 21 J/kg
Mixed-layer CIN: -39 J/kg
Mixed-layer LCL: 1509 m above ground
0-6 km bulk shear: 10 kt
0-1 km storm-relative helicity: -11 m²/s²
0-3 km storm-relative helicity: -22 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 winter storm warning 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 storm warning went out at Apr 14, 3:30 PM PDT, 6 hours 17 minutes earlier.

Area forecast discussion, Apr 14, 3:30 PM PDT, 6 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, Apr 14, 6:00 AM PDT, 15 hours 47 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE RENO NV
600 AM PDT FRI APR 14 2006

CAZ070>073-NVZ001>005-151500-
SURPRISE VALLEY CALIFORNIA-LASSEN-EASTERN PLUMAS-
EASTERN SIERRA COUNTIES-GREATER LAKE TAHOE AREA-MONO-
MINERAL AND SOUTHERN LYON COUNTIES-GREATER RENO-CARSON CITY-
MINDEN AREA-WESTERN NEVADA BASIN AND RANGE INCLUDING PYRAMID LAKE-
NORTHERN WASHOE COUNTY-
600 AM PDT FRI APR 14 2006

THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE EASTERN SIERRA...
NORTHEAST CALIFORNIA AND WESTERN NEVADA.

.DAY ONE...TODAY

A LOW PRESSURE SYSTEM WILL MOVE ACROSS SOUTHERN NEVADA TODAY AND
WILL SPREAD MOISTURE OVER MUCH OF THE AREA THROUGH TONIGHT. SCATTERED
RAIN AND SNOW SHOWERS WILL CONTINUE IN THE SIERRA AND WESTERN NV
TODAY WITH ISOLATED THUNDERSTORMS OVER NORTHERN AND EASTERN NV IN
THE AFTERNOON.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY

ANOTHER PACIFIC STORM SYSTEM WILL MOVE INTO THE AREA SATURDAY NIGHT
THROUGH SUNDAY BRINGING SNOW...RAIN AND GUSTY WINDS TO THE REGION
ONCE AGAIN. A WINTER STORM WATCH IS IN EFFECT FROM SATURDAY EVENING
THROUGH SUNDAY EVENING FOR THE GREATER LAKE TAHOE AREA AND FOR THE
EASTERN SIERRA IN NORTHEAST CALIFORNIA. SEE THE LATEST WINTER WEATHER
STATEMENT /WWUS45 KRNO WSWREV/ FOR ADDITIONAL INFORMATION AND STAY
TUNED FOR THE LATEST UPDATES.

.SPOTTER INFORMATION STATEMENT...

SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER TO THE
NATIONAL WEATHER SERVICE ACCORDING TO STANDARD OPERATING PROCEDURES.

SMM

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 15, 4:16 AM PDT	High Wind Warning	REV	Douglas, Lyon, Storey, Washoe	35 hr
Apr 15, 4:16 AM PDT	Wind Advisory	REV	Churchill, Douglas, Lyon, Pershing, Storey, Washoe	32 hr
Apr 15, 2:52 PM PDT	Wind Advisory	REV	Lyon, Mineral	31 hr

Nearby

Winter Storm Warnings in California, 2006 Winter Storm Warnings in Nevada, 2006 Every winter storm warning in 2006

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.