Alert archive / California / Winter Weather Advisories in 2011

Winter Weather Advisory 2, NWS Las Vegas, NV

February 15, 2011Inyo County, California

NWS Las Vegas, NV issued this winter weather advisory at Feb 15, 2011, 3:06 PM PST for Inyo County, California. It took effect at Feb 16, 2011, 4:00 AM PST. It was in force for 14 hr.

The area

The counties it named.

The facts

Issued
Feb 15, 2011, 3:06 PM PST (23:06 UTC)
In effect from
Feb 16, 2011, 4:00 AM PST
Expired
Feb 16, 2011, 6:00 PM PST
In force
14 hr
Issued by
NWS Las Vegas, NV

County Inyo County, CA

The nearest sounding before it

Las Vegas, NV (KVEF), launched 12:00Z, 11.1 hours before the alert went out and 168 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 12:00Z on 2011-02-15Temperature 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 12:00Z on 2011-02-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 35 square meters per square second.1939587897Sfc1 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
1867 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
35 m²/s²
0-3 km storm-relative helicity
25 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 weather 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 winter weather advisory went out at Feb 15, 10:00 AM PST, 5 hours 6 minutes earlier.

Area forecast discussion, Feb 15, 10:00 AM PST, 5 hours 6 minutes before
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Hazardous weather outlook, Feb 15, 5:13 AM PST, 9 hours 53 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>
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The office that day

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

IssuedProductOfficeCountiesLasted
Feb 15, 4:31 AM PSTHigh Wind WatchVEFClark, Esmeralda, Lincoln, Nye10 hr
Feb 15, 2:49 PM PSTHigh Wind WarningVEFClark, Esmeralda, Lincoln, Nye31 hr
Feb 15, 2:49 PM PSTWind AdvisoryVEFClark31 hr
Feb 15, 3:06 PM PSTWinter Storm WarningVEFInyo27 hr

Nearby

Winter Weather Advisories in California, 2011Every winter weather advisory in 2011

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.