Alert archive / Michigan / Winter Storm Warnings in 2015

Winter Storm Warning 4, NWS Marquette, MI

December 27, 201512 counties in Michigan

NWS Marquette, MI issued this winter storm warning at Dec 27, 2015, 3:37 PM EST for 12 counties in Michigan. It took effect at Dec 28, 2015, 7:00 PM EST. It was in force for 13 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Dec 27, 2015, 3:37 PM EST (20:37 UTC)
In effect from: Dec 28, 2015, 7:00 PM EST
Expired: Dec 29, 2015, 7:40 AM EST
In force: 13 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, Luce County, MI, Marquette County, MI, Menominee County, MI, Ontonagon County, MI, Schoolcraft County, MI

The radar

The Marquette radar (KMQT), 26 km from the middle of the area, began a volume at 20:35 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, 8.6 hours before the alert went out and 208 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: 680 m above ground
0-6 km bulk shear: 78 kt
0-1 km storm-relative helicity: -157 m²/s²
0-3 km storm-relative helicity: -124 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 winter storm warning 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 winter storm warning went out at Dec 27, 12:42 PM EST, 2 hours 55 minutes earlier.

Area forecast discussion, Dec 27, 12:42 PM EST, 2 hours 55 minutes before

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Hazardous weather outlook, Dec 27, 4:38 AM EST, 10 hours 59 minutes before

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In the hours before

Local storm report, Dec 27, 9:41 AM EST, 5 hours 56 minutes before

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Local storm report, Dec 27, 11:51 AM EST, 3 hours 46 minutes before

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Local storm report, Dec 27, 1:58 PM EST, 1 hour 39 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MARQUETTE MI
158 PM EST SUN DEC 27 2015

...TIME...  ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
...DATE...  ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0130 PM     HEAVY SNOW       NISULA                  46.76N 88.79W
12/27/2015  E7.0 INCH        HOUGHTON           MI   PUBLIC

0800 AM     SNOW             1 S ONTONAGON           46.86N 89.31W
12/27/2015  M4.7 INCH        ONTONAGON          MI   CO-OP OBSERVER

            CO-OP OBSERVER STATION ONTONAGON 1S /ONOM4/

0800 AM     SNOW             7 NNW ISHPEMING         46.59N 87.70W
12/27/2015  M3.6 INCH        MARQUETTE          MI   CO-OP OBSERVER

            CO-OP OBSERVER STATION ISHPEMING HOIST BASIN
            /IHBM4/

&&

NWS MARQUETTE MI
IRIS SYSTEM

The office that day

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

Issued	Product	Office	Counties	Lasted
Dec 27, 4:15 AM EST	Winter Storm Watch	MQT	Alger, Baraga, Delta, Dickinson, Iron, Marquette and 2 more	11 hr
Dec 27, 4:36 AM EST	Gale Watch	MQT		14 hr
Dec 27, 3:37 PM EST	Winter Weather Advisory	MQT	Gogebic, Houghton, Keweenaw, Ontonagon	37 hr
Dec 27, 6:22 PM EST	Gale Warning	MQT		43 hr
Dec 27, 6:22 PM EST	Small Craft Advisory	MQT		57 hr

Nearby

Winter Storm Warnings in Michigan, 2015 Every winter storm warning in 2015

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.