Alert archive / Minnesota / Winter Weather Advisories in 2014

Winter Weather Advisory 24, NWS Twin Cities, MN

November 9, 201438 counties in Minnesota; 6 counties in Wisconsin

NWS Twin Cities, MN issued this winter weather advisory at Nov 9, 2014, 3:17 PM CST for 38 counties in Minnesota; 6 counties in Wisconsin. It took effect at Nov 10, 2014, 3:00 AM CST. It was in force for 33 hr.

The area

The counties it named.

The facts

Issued: Nov 9, 2014, 3:17 PM CST (21:17 UTC)
In effect from: Nov 10, 2014, 3:00 AM CST
Expired: Nov 11, 2014, 12:00 PM CST
In force: 33 hr
Issued by: NWS Twin Cities, MN

All 44 counties

Anoka County, MN, Blue Earth County, MN, Brown County, MN, Carver County, MN, Chippewa County, MN, Chisago County, MN, Dakota County, MN, Douglas County, MN, Faribault County, MN, Freeborn County, MN, Goodhue County, MN, Hennepin County, MN, Isanti 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, Sherburne 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, Chippewa County, WI, Dunn County, WI, Eau Claire County, WI, Pepin County, WI, Pierce County, WI, Saint Croix County, WI

The radar

The Minneapolis radar (KMPX), 28 km from the middle of the area, began a volume at 21:22 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, 9.3 hours before the alert went out and 353 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: 743 m above ground
0-6 km bulk shear: 77 kt
0-1 km storm-relative helicity: 63 m²/s²
0-3 km storm-relative helicity: 228 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 Nov 9, 10:58 AM CST, 4 hours 19 minutes earlier.

Area forecast discussion, Nov 9, 10:58 AM CST, 4 hours 19 minutes before

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Hazardous weather outlook, Nov 9, 6:23 AM CST, 8 hours 54 minutes before

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      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
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        The site you requested is temporarily down for maintenance or an unexpected outage.
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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
Nov 8, 9:03 PM CST	Winter Storm Warning	MPX	Anoka, Benton, Brown, Carver, Chippewa, Chisago and 29 more	63 hr

Nearby

Winter Weather Advisories in Minnesota, 2014 Winter Weather Advisories in Wisconsin, 2014 Every winter weather advisory in 2014

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.