Alert archive / Wisconsin / Winter Storm Watches in 2012

Winter Storm Watch 2, NWS Duluth, MN

February 26, 20126 counties in Minnesota; 8 counties in Wisconsin

NWS Duluth, MN issued this winter storm watch at Feb 26, 2012, 4:14 PM CST for 6 counties in Minnesota; 8 counties in Wisconsin. It took effect at Feb 28, 2012, 12:00 PM CST. It was in force for .

The area

The counties it named.

The facts

Issued: Feb 26, 2012, 4:14 PM CST (22:14 UTC)
In effect from: Feb 28, 2012, 12:00 PM CST
Expired: Feb 27, 2012, 3:15 PM CST
In force
Issued by: NWS Duluth, MN

Counties Aitkin County, MN, Carlton County, MN, Cass County, MN, Crow Wing County, MN, Pine County, MN, Saint Louis County, MN, Ashland County, WI, Bayfield County, WI, Burnett County, WI, Douglas County, WI, Iron County, WI, Price County, WI, Sawyer County, WI, Washburn County, WI

The radar

The Duluth radar (KDLH), 49 km from the middle of the area, began a volume at 22:16 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

Minneapolis, MN (KMPX), launched 12:00Z, 10.2 hours before the alert went out and 208 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: 1049 m above ground
0-6 km bulk shear: 68 kt
0-1 km storm-relative helicity: 804 m²/s²
0-3 km storm-relative helicity: 992 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 storm watch went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Duluth, MN wrote its last area forecast discussion before this winter storm watch went out at Feb 26, 3:47 PM CST, 27 minutes earlier.

Area forecast discussion, Feb 26, 3:47 PM CST, 27 minutes before

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Hazardous weather outlook, Feb 26, 4:46 AM CST, 11 hours 28 minutes before

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In the hours before

Local storm report, Feb 26, 3:20 PM CST, 54 minutes before

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Local storm report, Feb 26, 3:28 PM CST, 46 minutes before

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Local storm report, Feb 26, 3:29 PM CST, 45 minutes before

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Local storm report, Feb 26, 3:36 PM CST, 38 minutes before

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Local storm report, Feb 26, 3:41 PM CST, 33 minutes before

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Local storm report, Feb 26, 4:04 PM CST, 10 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Feb 26, 11:02 AM CST	Winter Weather Advisory	DLH	Ashland, Bayfield, Douglas, Iron	25 hr

Nearby

Winter Storm Watches in Wisconsin, 2012 Winter Storm Watches in Minnesota, 2012 Every winter storm watch in 2012

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.