Alert archive / Wisconsin / Wind Chill Advisories in 2019

Wind Chill Advisory 6, NWS Green Bay, WI

February 7, 201922 counties in Wisconsin

NWS Green Bay, WI issued this wind chill advisory at Feb 7, 2019, 2:56 PM CST for 22 counties in Wisconsin. It took effect at Feb 8, 2019, 3:00 AM CST. It was in force for 30 hr.

The area

The counties it named.

The facts

Issued: Feb 7, 2019, 2:56 PM CST (20:56 UTC)
In effect from: Feb 8, 2019, 3:00 AM CST
Expired: Feb 9, 2019, 9:00 AM CST
In force: 30 hr
Issued by: NWS Green Bay, WI

All 22 counties

Brown County, WI, Calumet County, WI, Door County, WI, Florence County, WI, Forest County, WI, Kewaunee County, WI, Langlade County, WI, Lincoln County, WI, Manitowoc County, WI, Marathon County, WI, Marinette County, WI, Menominee County, WI, Oconto County, WI, Oneida County, WI, Outagamie County, WI, Portage County, WI, Shawano County, WI, Vilas County, WI, Waupaca County, WI, Waushara County, WI, Winnebago County, WI, Wood County, WI

The radar

The Green Bay radar (KGRB), 63 km from the middle of the area, began a volume at 20:59 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, 8.9 hours before the alert went out and 384 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: 432 m above ground
0-6 km bulk shear: 88 kt
0-1 km storm-relative helicity: 70 m²/s²
0-3 km storm-relative helicity: 363 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 Green Bay, WI wrote its last area forecast discussion before this wind chill advisory went out at Feb 7, 11:34 AM CST, 3 hours 22 minutes earlier.

Area forecast discussion, Feb 7, 11:34 AM CST, 3 hours 22 minutes before

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Hazardous weather outlook, Feb 7, 2:56 PM CST, 0 minutes before

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In the hours before

Local storm report, Feb 7, 11:08 AM CST, 3 hours 48 minutes before

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Local storm report, Feb 7, 11:23 AM CST, 3 hours 33 minutes before

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Special weather statement, Feb 7, 11:43 AM CST, 3 hours 13 minutes before

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Local storm report, Feb 7, 12:27 PM CST, 2 hours 29 minutes before

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Local storm report, Feb 7, 1:11 PM CST, 1 hour 45 minutes before

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Local storm report, Feb 7, 1:36 PM CST, 1 hour 20 minutes before

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The office that day

Everything else NWS Green Bay, WI issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Feb 7, 10:28 AM CST	Small Craft Advisory	GRB		35 hr
Feb 7, 10:28 AM CST	Heavy Freezing Spray Warning	GRB		48 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.