Alert archive / Minnesota / Winter Weather Advisories in 2009

Winter Weather Advisory 3, NWS Twin Cities, MN

January 11, 200934 counties in Minnesota; Pepin County, Pierce County, Wisconsin

NWS Twin Cities, MN issued this winter weather advisory at Jan 11, 2009, 3:30 PM CST for 34 counties in Minnesota; Pepin County, Pierce County, Wisconsin. It took effect at Jan 12, 2009, 3:00 AM CST. It was in force for 21 hr.

The area

The counties it named.

The facts

Issued: Jan 11, 2009, 3:30 PM CST (21:30 UTC)
In effect from: Jan 12, 2009, 3:00 AM CST
Expired: Jan 13, 2009, 12:00 AM CST
In force: 21 hr
Issued by: NWS Twin Cities, MN

All 36 counties

Blue Earth County, MN, Brown County, MN, Carver County, MN, Chippewa County, MN, Dakota County, MN, Douglas County, MN, Faribault County, MN, Freeborn County, MN, Goodhue County, MN, Hennepin County, MN, Kandiyohi County, MN, Lac qui Parle County, MN, Le Sueur County, MN, Martin County, MN, McLeod County, MN, Meeker County, MN, Nicollet County, MN, Pope County, MN, Ramsey County, MN, Redwood County, MN, Renville County, MN, Rice County, MN, Scott County, MN, Sibley County, MN, Stearns County, MN, Steele County, MN, Stevens County, MN, Swift County, MN, Todd County, MN, Waseca County, MN, Washington County, MN, Watonwan County, MN, Wright County, MN, Yellow Medicine County, MN, Pepin County, WI, Pierce County, WI

The radar

The Minneapolis radar (KMPX), 55 km from the middle of the area, began a volume at 21:33 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

Aberdeen, SD (KABR), launched 12:00Z, 9.5 hours before the alert went out and 329 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: 508 m above ground
0-6 km bulk shear: 40 kt
0-1 km storm-relative helicity: 5 m²/s²
0-3 km storm-relative helicity: 58 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 Twin Cities, MN wrote its last area forecast discussion before this winter weather advisory went out at Jan 11, 12:17 PM CST, 3 hours 13 minutes earlier.

Area forecast discussion, Jan 11, 12:17 PM CST, 3 hours 13 minutes before

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Hazardous weather outlook, Jan 11, 2:47 PM CST, 43 minutes before

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In the hours before

Local storm report, Jan 11, 10:39 AM CST, 4 hours 51 minutes before

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Local storm report, Jan 11, 11:17 AM CST, 4 hours 13 minutes before

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      <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.
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      <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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Local storm report, Jan 11, 12:09 PM CST, 3 hours 21 minutes before

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      <p id="message2">
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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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Local storm report, Jan 11, 1:07 PM CST, 2 hours 23 minutes before

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      <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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Local storm report, Jan 11, 2:12 PM CST, 1 hour 18 minutes before

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      <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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Local storm report, Jan 11, 2:38 PM CST, 52 minutes before

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  <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>
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The office that day

Everything else NWS Twin Cities, MN issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jan 11, 4:16 AM CST	Blizzard Watch	MPX	Blue Earth, Brown, Chippewa, Douglas, Faribault, Freeborn and 15 more	25 hr

Nearby

Winter Weather Advisories in Minnesota, 2009 Winter Weather Advisories in Wisconsin, 2009 Every winter weather advisory in 2009

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.