A storm system developing over the Plains deepened rapidly as it tracked across the Lower Great Lakes region in the early morning hours of the 9th. The storm produced widespread heavy snow across west and central Upper Michigan on the 8th and 9th with blizzard conditions reported in Keweenaw, Houghton, Marquette and Menominee counties on the 9th.

Winter Storm in ALGER, MICHIGAN
From 08-DEC-09 22:00:00 to 10-DEC-09 01:00:00 (EST-5)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Employee

The observer ten miles south of Grand Marais measured 15 inches of snow in a 24-hour period while an NWS employee in Munising also reported a storm total snowfall of 15 inches.  AuTrain-Onota and Munising schools were closed on the 9th and 10th due to the storm.

Winter Storm in LUCE, MICHIGAN
From 09-DEC-09 00:00:00 to 10-DEC-09 01:00:00 (EST-5)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

The observers in Newberry and McMillan measured respective storm total snowfalls of 17 and 15 inches during the event.  Tahquamenon Area Schools were closed on the 9th due to the storm.

Winter Storm in GOGEBIC, MICHIGAN
From 08-DEC-09 20:00:00 to 10-DEC-09 00:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Observers in Ironwood and Watersmeet reported respective storm total snowfalls of 30 and 11 inches during the event.  Schools throughout Gogebic County were closed on the 9th due to the storm.

Winter Storm in DICKINSON, MICHIGAN
From 08-DEC-09 18:00:00 to 09-DEC-09 19:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

The observer in Iron Mountain measured six inches of snow in the 12-hour period ending on the morning of the 9th.  North winds gusting over 30 mph throughout the day on the 9th caused reduced visibility in blowing snow.  Schools were closed throughout the county on the 9th.

Blizzard in KEWEENAW, MICHIGAN
From 09-DEC-09 00:00:00 to 10-DEC-09 01:00:00 (EST-5)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A spotter four miles northeast of Calumet reported over a foot of total snowfall and near zero visibility in snow and blowing snow.  North winds at the Copper Harbor ASOS frequently gusted over 40 mph and at times gusted over 50 mph during the event.  Keweenaw Area schools were closed on the 10th due to the storm.

Blizzard in MENOMINEE, MICHIGAN
From 09-DEC-09 00:00:00 to 09-DEC-09 08:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

The County Sheriff reported major power outages and many trees down throughout the city of Menominee.  The Menominee AWOS measured wind gusts to near 70 mph around 4 am.  Visibility was reduced to zero at times in snow and blowing snow.

Winter Storm in DELTA, MICHIGAN
From 08-DEC-09 22:00:00 to 09-DEC-09 17:00:00 (EST-5)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Many locations across Delta County measured eight to nine inches of snowfall for the 12-hour period ending on the morning of the 9th.  North winds gusting to 25 mph at times also caused blowing and drifting of snow and reduced visibility throughout the day on the 9th.  The storm closed schools across the county on the 9th.

Winter Storm in NORTHERN SCHOOLCRAFT, MICHIGAN
From 08-DEC-09 23:00:00 to 09-DEC-09 17:00:00 (EST-5)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

An estimated six inches of snow fell at Seney in the morning hours of the 9th.  Winds gusting over 25 mph at times caused considerable blowing and drifting of snow throughout the day on the 9th.

Winter Storm in SOUTHERN HOUGHTON, MICHIGAN
From 09-DEC-09 01:00:00 to 09-DEC-09 18:00:00 (EST-5)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

The observer near Sidnaw measured six inches of snow in less than 12 hours during the day on the 9th.  Winds gusting around 25 mph at times also caused considerable blowing and drifting of snow.  Schools were closed throughout the area on the 9th.

Winter Storm in NORTHERN HOUGHTON, MICHIGAN
From 09-DEC-09 00:00:00 to 10-DEC-09 08:00:00 (EST-5)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

The observer in Painesdale measured 13 inches of snow in 24 hours during the event.  The spotter near Calumet reported nearly a foot of storm total snowfall along with occasional whiteout conditions in blowing snow.  Houghton County schools were closed on the 10th.

Winter Storm in IRON, MICHIGAN
From 08-DEC-09 18:00:00 to 09-DEC-09 19:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

The observer near Stambaugh measured six inches of snow in the 12-hour period ending on the morning of the 9th.  North winds gusting over 30 mph throughout the day on the 9th continued to cause reduced visibility in blowing snow.  Schools were closed throughout the county on the 9th.

Winter Storm in SOUTHERN SCHOOLCRAFT, MICHIGAN
From 09-DEC-09 00:00:00 to 09-DEC-09 18:00:00 (EST-5)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

The observer in Thompson measured eight inches of snow in the early morning hours of the 9th with inch-per-hour snowfall rates and one-quarter mile or less visibility at times.  North winds gusting to 30 mph at times continued to cause considerable blowing and drifting of snow during the day on the 9th. Schools were also closed throughout the county on the 9th.

Winter Storm in ONTONAGON, MICHIGAN
From 08-DEC-09 19:00:00 to 09-DEC-09 23:30:00 (EST-5)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

The spotter at Rockland estimated a storm total snowfall of more than 15 inches during the event.  The observer four miles east of Silver City measured eight inches of snow in the 12-hour period ending on the morning of the 9th.  In addition, the observer in Ontonagon reported severe blowing and drifting snow along with occasional whiteouts and broken tree branches due to north winds gusting more than 30 mph.  Schools were closed throughout Ontonagon County on the 9th.

Blizzard in MARQUETTE, MICHIGAN
From 08-DEC-09 19:00:00 to 10-DEC-09 01:00:00 (EST-5)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Official NWS Observations

The National Weather Service in Negaunee Township reported blizzard conditions with  frequent north wind gusts to 35 mph during the day of the 9th.  Blizzard conditions were also reported along M-28 from Marquette to Shot Point. Schools were closed throughout Marquette County on the 9th and 10th due to the storm.  Northern Michigan University was closed on the 9th.  The National Weather Service measured a storm total snowfall of 24.7 inches ending on the morning of the 10th.

Blizzard in BARAGA, MICHIGAN
From 08-DEC-09 19:00:00 to 10-DEC-09 01:00:00 (EST-5)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Spotters near Skanee and Pelkie measured from 8 to 10 inches of snow in a 12-hour period ending on the morning of the 9th.  Storm total snowfall ending on the morning of the 10th included 27.5 inches at Herman, 13.7 inches at Skanee and 13 inches at Alberta.  Winds frequently gusted over 35 mph and continued to cause blizzard conditions especially over exposed terrain near Lake Superior on the 9th. Schools were closed throughout the county on the 9th.