Alert archive / Wisconsin / Wind Chill Advisories in 2006

Wind Chill Advisory 1, NWS Milwaukee, WI

February 17, 200620 counties in Wisconsin

NWS Milwaukee, WI issued this wind chill advisory at Feb 17, 2006, 3:42 AM CST for 20 counties in Wisconsin. It took effect at Feb 17, 2006, 9:00 PM CST. It was in force for 15 hr.

The area

The counties it named.

The facts

Issued: Feb 17, 2006, 3:42 AM CST (09:42 UTC)
In effect from: Feb 17, 2006, 9:00 PM CST
Expired: Feb 18, 2006, 12:00 PM CST
In force: 15 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 09:44 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 00:00Z, 9.7 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: 554 m above ground
0-6 km bulk shear: 104 kt
0-1 km storm-relative helicity: 116 m²/s²
0-3 km storm-relative helicity: 585 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 wind chill 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 wind chill advisory went out at Feb 17, 3:20 AM CST, 22 minutes earlier.

Area forecast discussion, Feb 17, 3:20 AM CST, 22 minutes before

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Hazardous weather outlook, Feb 16, 7:32 PM CST, 8 hours 10 minutes before

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Nearby

Wind Chill Advisories in Wisconsin, 2006 Every wind chill 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.