Alert archive / Michigan / Wind Chill Advisories in 2009

Wind Chill Advisory 2, NWS Marquette, MI

January 13, 200913 counties in Michigan

NWS Marquette, MI issued this wind chill advisory at Jan 13, 2009, 10:36 PM EST for 13 counties in Michigan. It was in force for 59 hr.

The area

The counties it named.

The facts

Issued: Jan 13, 2009, 10:36 PM EST (03:36 UTC)
Expired: Jan 16, 2009, 10:00 AM EST
In force: 59 hr
Issued by: NWS Marquette, MI

Counties Alger County, MI, Baraga County, MI, Delta County, MI, Dickinson County, MI, Gogebic County, MI, Houghton County, MI, Iron County, MI, Keweenaw County, MI, Luce County, MI, Marquette County, MI, Menominee County, MI, Ontonagon County, MI, Schoolcraft County, MI

The radar

The Marquette radar (KMQT), 21 km from the middle of the area, began a volume at 03:33 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, 3.6 hours before the alert went out and 216 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: 1265 m above ground
0-6 km bulk shear: 54 kt
0-1 km storm-relative helicity: 5 m²/s²
0-3 km storm-relative helicity: 108 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 Marquette, MI wrote its last area forecast discussion before this wind chill advisory went out at Jan 13, 7:39 PM EST, 2 hours 57 minutes earlier.

Area forecast discussion, Jan 13, 7:39 PM EST, 2 hours 57 minutes before

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Hazardous weather outlook, Jan 13, 5:04 AM EST, 17 hours 32 minutes before

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In the hours before

Local storm report, Jan 13, 5:44 PM EST, 4 hours 52 minutes before

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Local storm report, Jan 13, 8:04 PM EST, 2 hours 32 minutes before

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Local storm report, Jan 13, 8:34 PM EST, 2 hours 2 minutes before

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The office that day

Everything else NWS Marquette, MI issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jan 13, 10:19 PM EST	Heavy Freezing Spray Warning	MQT		4 days
Jan 14, 5:02 AM EST	Wind Chill Warning	MQT	Baraga, Dickinson, Gogebic, Houghton, Iron, Marquette and 1 more	55 hr

Nearby

Wind Chill Advisories in Michigan, 2009 Every wind chill advisory 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.