Alert archive / Wisconsin / Wind Chill Advisories in 2019

Wind Chill Advisory 6, NWS Milwaukee, WI

February 7, 201917 counties in Wisconsin

NWS Milwaukee, WI issued this wind chill advisory at Feb 7, 2019, 2:36 PM CST for 17 counties in Wisconsin. It took effect at Feb 8, 2019, 3:00 AM CST. It was in force for 9 hr.

The area

The counties it named.

The facts

Issued: Feb 7, 2019, 2:36 PM CST (20:36 UTC)
In effect from: Feb 8, 2019, 3:00 AM CST
Expired: Feb 8, 2019, 12:00 PM CST
In force: 9 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, Lafayette County, WI, Marquette County, WI, Ozaukee 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), 46 km from the middle of the area, began a volume at 20:36 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

Davenport, (KDVN), launched 12:00Z, 8.6 hours before the alert went out and 218 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: 5 J/kg
Mixed-layer CIN: 0 J/kg
Mixed-layer LCL: 398 m above ground
0-6 km bulk shear: 71 kt
0-1 km storm-relative helicity: 288 m²/s²
0-3 km storm-relative helicity: 391 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 7, 12:53 PM CST, 1 hour 43 minutes earlier.

Area forecast discussion, Feb 7, 12:53 PM CST, 1 hour 43 minutes before

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Hazardous weather outlook, Feb 7, 8:56 AM CST, 5 hours 40 minutes before

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In the hours before

Local storm report, Feb 7, 12:15 PM CST, 2 hours 21 minutes before

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Local storm report, Feb 7, 12:59 PM CST, 1 hour 37 minutes before

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Local storm report, Feb 7, 1:05 PM CST, 1 hour 31 minutes before

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Local storm report, Feb 7, 1:08 PM CST, 1 hour 28 minutes before

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Local storm report, Feb 7, 1:11 PM CST, 1 hour 25 minutes before

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Local storm report, Feb 7, 1:18 PM CST, 1 hour 18 minutes before

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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 7, 2:29 AM CST	Winter Storm Warning	MKX	Columbia, Dane, Dodge, Fond du Lac, Green, Green Lake and 6 more	16 hr
Feb 7, 3:09 AM CST	Heavy Freezing Spray Warning	MKX		55 hr

Nearby

Wind Chill Advisories in Wisconsin, 2019 Every wind chill advisory in 2019

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.