Alert archive / Wisconsin / Wind Chill Watches in 2009

Wind Chill Watch 1, NWS Green Bay, WI

January 13, 200919 counties in Wisconsin

NWS Green Bay, WI issued this wind chill watch at Jan 13, 2009, 3:06 PM CST for 19 counties in Wisconsin. It took effect at Jan 15, 2009, 12:00 AM CST. It was in force for .

The area

The counties it named.

The facts

Issued: Jan 13, 2009, 3:06 PM CST (21:06 UTC)
In effect from: Jan 15, 2009, 12:00 AM CST
Expired: Jan 14, 2009, 5:09 AM CST
In force
Issued by: NWS Green Bay, WI

Counties Brown County, WI, Calumet County, WI, Florence County, WI, Forest County, WI, Langlade County, WI, Lincoln 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), 79 km from the middle of the area, began a volume at 21:06 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 12:00Z, 9.1 hours before the alert went out and 81 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: 952 m above ground
0-6 km bulk shear: 51 kt
0-1 km storm-relative helicity: -115 m²/s²
0-3 km storm-relative helicity: -9 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 watch 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 watch went out at Jan 13, 4:23 AM CST, 10 hours 43 minutes earlier.

Area forecast discussion, Jan 13, 4:23 AM CST, 10 hours 43 minutes before

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Hazardous weather outlook, Jan 13, 11:17 AM CST, 3 hours 49 minutes before

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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 Green Bay, WI issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jan 12, 7:51 PM CST	Winter Weather Advisory	GRB	Brown, Calumet, Door, Kewaunee, Manitowoc, Outagamie and 2 more	7 hr

Nearby

Wind Chill Watches in Wisconsin, 2009 Every wind chill watch in 2009

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.