Alert archive / Wisconsin / Snow Advisories in 2008

Snow Advisory 6, NWS Milwaukee, WI

February 10, 200820 counties in Wisconsin

NWS Milwaukee, WI issued this snow advisory at Feb 10, 2008, 3:30 PM CST for 20 counties in Wisconsin. It took effect at Feb 11, 2008, 9:00 PM CST. It was in force for 23 hr.

The area

The counties it named.

The facts

Issued: Feb 10, 2008, 3:30 PM CST (21:30 UTC)
In effect from: Feb 11, 2008, 9:00 PM CST
Expired: Feb 12, 2008, 8:00 PM CST
In force: 23 hr
Issued by: NWS Milwaukee, WI

Counties Columbia County, WI, Dane County, WI, Dodge County, WI, Fond du Lac County, WI, Green County, WI, Green Lake County, WI, Iowa County, WI, Jefferson County, WI, Kenosha County, WI, Lafayette County, WI, Marquette County, WI, Milwaukee County, WI, Ozaukee County, WI, Racine County, WI, Rock County, WI, Sauk County, WI, Sheboygan County, WI, Walworth County, WI, Washington County, WI, Waukesha County, WI

The radar

The Milwaukee radar (KMKX), 31 km from the middle of the area, began a volume at 21:36 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

Green Bay/Straub, WI (KGRB), launched 12:00Z, 9.5 hours before the alert went out and 157 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1036 m above ground
0-6 km bulk shear: 45 kt
0-1 km storm-relative helicity: 47 m²/s²
0-3 km storm-relative helicity: 66 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 Milwaukee, WI wrote its last area forecast discussion before this snow advisory went out at Feb 10, 2:56 AM CST, 12 hours 34 minutes earlier.

Area forecast discussion, Feb 10, 2:56 AM CST, 12 hours 34 minutes before

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Hazardous weather outlook, Feb 10, 12:50 PM CST, 2 hours 40 minutes before

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In the hours before

Local storm report, Feb 10, 10:58 AM CST, 4 hours 32 minutes before

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Local storm report, Feb 10, 1:01 PM CST, 2 hours 29 minutes before

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<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.
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      <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 Milwaukee, WI issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Feb 9, 7:50 PM CST	Blowing Snow Advisory	MKX	Columbia, Dane, Dodge, Fond du Lac, Green, Green Lake and 14 more	22 hr
Feb 10, 11:57 AM CST	Wind Chill Advisory	MKX	Columbia, Dane, Dodge, Fond du Lac, Green, Green Lake and 14 more	12 hr

Nearby

Snow Advisories in Wisconsin, 2008 Every snow advisory in 2008

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.