Alert archive / Montana / Snow Advisories in 2006

Snow Advisory 33, NWS Missoula, MT

November 24, 2006Missoula County, Ravalli County, Montana; Clearwater County, Idaho County, Idaho

NWS Missoula, MT issued this snow advisory at Nov 24, 2006, 11:00 AM MST for Missoula County, Ravalli County, Montana; Clearwater County, Idaho County, Idaho. It was in force for 24 hr.

The area

The counties it named.

The facts

Issued
Nov 24, 2006, 11:00 AM MST (18:00 UTC)
Expired
Nov 25, 2006, 11:00 AM MST
In force
24 hr
Issued by
NWS Missoula, MT

Counties Clearwater County, ID, Idaho County, ID, Missoula County, MT, Ravalli County, MT

The radar

The Missoula radar (KMSX), 93 km from the middle of the area, began a volume at 18:02 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

Boise Airport, ID (KBOI), launched 12:00Z, 6.0 hours before the alert went out and 335 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, Boise Airport, ID at 12:00Z on 2006-11-24Temperature 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, Boise Airport, ID at 12:00Z on 2006-11-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 192 square meters per square second.19395878Sfc1 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
1676 m above ground
0-6 km bulk shear
70 kt
0-1 km storm-relative helicity
192 m²/s²
0-3 km storm-relative helicity
281 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 snow advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Missoula, MT wrote its last area forecast discussion before this snow advisory went out at Nov 24, 8:40 AM MST, 2 hours 20 minutes earlier.

Area forecast discussion, Nov 24, 8:40 AM MST, 2 hours 20 minutes before
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Hazardous weather outlook, Nov 24, 5:49 AM MST, 5 hours 11 minutes before
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  <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.
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The office that day

Everything else NWS Missoula, MT issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Nov 24, 11:00 AM MSTHeavy Snow WarningMSODeer Lodge, Granite, Lake, Mineral, Missoula, Powell and 3 more24 hr
Nov 23, 8:02 PM MSTWind AdvisoryMSOClearwater, Idaho15 hr

Nearby

Snow Advisories in Montana, 2006Snow Advisories in Idaho, 2006Every snow advisory 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.