An Alberta clipper system ushered bitter cold Arctic air across the Upper Great Lakes during the period.  The bitter cold air mass also helped sustain periods of moderate to heavy lake effect snow over several days.

Lake-Effect Snow in LUCE, MICHIGAN
From 20-JAN-13 00:00:00 to 21-JAN-13 15:00:00 (EST-5)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Four to six of lake effect snow fell from McMillan to Newberry mainly in morning hours of the 20th.  Northwest winds gusting over 30 mph reduced visibility below one half mile at times in blowing snow.  There was also a report estimating seven inches of snow in eight hours at the Upper Tahquamenon Falls Brewery on the 21st.

Winter Weather in KEWEENAW, MICHIGAN
From 19-JAN-13 09:00:00 to 21-JAN-13 08:00:00 (EST-5)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

The observer in Mohawk measured 12.4 inches of lake effect snow over a two-day period. Northwest winds gusting over 40 mph also caused considerable blowing and drifting snow and reduced visibility.

Winter Weather in GOGEBIC, MICHIGAN
From 19-JAN-13 20:00:00 to 20-JAN-13 10:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

The spotter in Bessemer estimated six inches of lake effect snow and reported plenty of blowing and drifting snow.

Winter Weather in ONTONAGON, MICHIGAN
From 19-JAN-13 08:00:00 to 21-JAN-13 08:00:00 (EST-5)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

A spotter reported ten inches of snow over a two-day period with periods of blowing and drifting snow.

Lake-Effect Snow in NORTHERN HOUGHTON, MICHIGAN
From 22-JAN-13 20:00:00 to 23-JAN-13 09:00:00 (EST-5)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

The spotter at Freda estimated ten inches of lake effect snow in approximately 12 hours, and there was an 11-hour report of 8.4 inches of snow in South Range.

Winter Weather in KEWEENAW, MICHIGAN
From 22-JAN-13 20:00:00 to 23-JAN-13 20:00:00 (EST-5)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

The observer at Mohawk measured 8.5 inches of snow in 24 hours.

Extreme Cold/Wind Chill in GOGEBIC, MICHIGAN
From 21-JAN-13 02:00:00 to 22-JAN-13 14:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS

The Ironwood AWOS reported wind chill values to 40 below zero or colder on both mornings of the 21st and 22nd.  Area schools were closed both days due to the extreme cold.

Extreme Cold/Wind Chill in ONTONAGON, MICHIGAN
From 21-JAN-13 03:00:00 to 22-JAN-13 14:00:00 (EST-5)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Wind chill values were estimated between 35 and 40 below zero on both mornings of the 21st and 22nd.  Area schools were closed both days due to the extreme cold.

Cold/Wind Chill in IRON, MICHIGAN
From 21-JAN-13 04:00:00 to 22-JAN-13 11:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Wind chill values were estimated to be 30 below zero or colder on both mornings of the 21st and 22nd.  Area schools were closed both days due to the extreme cold.

Cold/Wind Chill in DICKINSON, MICHIGAN
From 21-JAN-13 07:00:00 to 22-JAN-13 10:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

The Iron Mountain ASOS reported wind chill values to 30 below zero on both mornings of the 21st and 22nd.  Area schools were closed on the 22nd.

Cold/Wind Chill in NORTHERN HOUGHTON, MICHIGAN
From 21-JAN-13 10:00:00 to 22-JAN-13 13:00:00 (EST-5)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

The Houghton County Airport ASOS reported wind chill values to 25 to 30 below zero on both mornings of the 21st and 22nd.  Area schools were closed on the 22nd due to the extreme cold.

Cold/Wind Chill in KEWEENAW, MICHIGAN
From 21-JAN-13 10:00:00 to 22-JAN-13 14:00:00 (EST-5)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Wind chill values were estimated between 25 to 30 below zero on both mornings of the 21st and 22nd.  Area schools were closed on the 22nd due to the extreme cold.

Cold/Wind Chill in BARAGA, MICHIGAN
From 21-JAN-13 07:00:00 to 22-JAN-13 13:00:00 (EST-5)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Wind chill values were estimated between 25 and 35 below zero on both mornings of the 21st and 22nd.  Area schools were closed on the 22nd due to the extreme cold.

Cold/Wind Chill in MARQUETTE, MICHIGAN
From 21-JAN-13 07:00:00 to 22-JAN-13 13:00:00 (EST-5)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS

The Sawyer Airport AWOS reported wind chill values to 25 to 35 below zero on both mornings of the 21st and 22nd.  Area schools were closed on the 22nd due to the extreme cold.

Cold/Wind Chill in MENOMINEE, MICHIGAN
From 21-JAN-13 06:00:00 to 22-JAN-13 11:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Wind chill values were estimated between 25 to 30 below zero on both mornings of the 21st and 22nd.  Area schools were closed on the 22nd due to the extreme cold.

Cold/Wind Chill in DELTA, MICHIGAN
From 21-JAN-13 10:00:00 to 22-JAN-13 12:00:00 (EST-5)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS

The Delta County Airport AWOS reported wind chill values to 25 to 30 below zero on both mornings of the 21st and 22nd.  Area schools were closed on the 22nd due to the extreme cold.

Cold/Wind Chill in LUCE, MICHIGAN
From 22-JAN-13 00:00:00 to 22-JAN-13 09:00:00 (EST-5)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS

The Luce County Airport ASOS reported wind chill values to 25 to 30 below zero on the mornings of the 22nd.  Area schools were closed on the 22nd due to the extreme cold.

Cold/Wind Chill in NORTHERN SCHOOLCRAFT, MICHIGAN
From 22-JAN-13 00:00:00 to 22-JAN-13 10:00:00 (EST-5)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Wind chill values were estimated between 25 and 30 below zero on the morning of the 22nd. Area schools were closed on the 22nd due to the extreme cold.

Cold/Wind Chill in ALGER, MICHIGAN
From 21-JAN-13 16:00:00 to 22-JAN-13 12:00:00 (EST-5)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Wind chill values were estimated between 25 and 30 below zero from the evening of the 21st into the morning of the 22nd...mainly over the western portion of the county.  Area schools were closed on the 22nd due to the extreme cold.

Cold/Wind Chill in SOUTHERN SCHOOLCRAFT, MICHIGAN
From 21-JAN-13 18:00:00 to 22-JAN-13 12:00:00 (EST-5)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS

The Manistique AWOS measured wind chill values between 25 and 30 below zero from the evening of the 21st into the morning of the 22nd. Area schools were closed on the 22nd due to the extreme cold.

Winter Weather in NORTHERN HOUGHTON, MICHIGAN
From 19-JAN-13 08:00:00 to 21-JAN-13 08:00:00 (EST-5)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

The observer near Twin Lakes measured 18 inches of lake effect snow over 48 hours.  Northwest wind gusts to 40 mph accompanying the lake effect snow also reduced visibility to one-quarter mile at times in blowing snow from the evening of the 19th into the early morning of the 20th.  There was also a report from Houghton of eight inches in 24 hours with a brief period of over one inch per hour snowfall rates on the morning of the 19th.

Winter Weather in NORTHERN HOUGHTON, MICHIGAN
From 22-JAN-13 13:00:00 to 23-JAN-13 13:00:00 (EST-5)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

The spotter near Redridge measured ten inches of snow in 24 hours, and there was a report of 8.4 inches in 11 hours at South Range.

Winter Weather in GOGEBIC, MICHIGAN
From 23-JAN-13 14:30:00 to 23-JAN-13 19:30:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

The spotter in Ironwood estimated four to five inches of lake effect snow in five hours with whiteout conditions in heavy snow.

Lake-Effect Snow in ALGER, MICHIGAN
From 19-JAN-13 23:00:00 to 23-JAN-13 19:00:00 (EST-5)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

The spotter in Au Train estimated five inches of lake effect snow in less than six hours on the 20th. Strong northwest winds with gusts over 30 mph caused whiteout conditions in snow and blowing snow along M-28.  There was also a report estimating 14-16 inches in Munising over a 36-hour period ending on the morning of the 23rd.

Lake-Effect Snow in NORTHERN SCHOOLCRAFT, MICHIGAN
From 19-JAN-13 23:00:00 to 20-JAN-13 14:00:00 (EST-5)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Four to six inches of lake effect snow fell in the morning hours on the 20th.  Northwest wind gusting over 30 mph also caused considerable blowing and drifting of snow and reduced visibility to one quarter mile at times.