A low pressure system tracking from Minnesota into Ontario produced moderate snow over much of Upper Michigan from the 18th into the early morning hours of the 19th.  Gusty northwest winds behind the low brought in much colder air and generated a prolonged period of moderate to heavy lake effect snow in the northwest wind snow belts of west and north central Upper Michigan into the 21st.

Winter Storm in GOGEBIC, MICHIGAN
From 18-MAR-13 12:00:00 to 20-MAR-13 06:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

The spotter near Ironwood measured 13 inches of storm total snowfall in 30 hours.  Northwest winds gusting to 30 mph at times also caused considerable blowing and drifting of snow and reduced visibility.

Winter Weather in KEWEENAW, MICHIGAN
From 18-MAR-13 17:00:00 to 19-MAR-13 07:00:00 (EST-5)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

The observer in Mohawk measured 4.7 inches of snow in 14 hours.

Winter Storm in SOUTHERN HOUGHTON, MICHIGAN
From 18-MAR-13 17:00:00 to 19-MAR-13 06:00:00 (EST-5)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

A spotter near Sidnaw measured nearly six inches of wet snow in approximately 13 hours.

Winter Storm in ALGER, MICHIGAN
From 18-MAR-13 17:00:00 to 21-MAR-13 05:00:00 (EST-5)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

The observer ten miles south of Grand Marais measured a storm total snowfall of 29.2 inches over 60 hours and recorded a snow depth of 62 inches on the morning of the 21st.  The spotter in Munising measured 20 inches of storm total snowfall.  Northwest winds gusting to 35 mph at times also caused considerable blowing and drifting of snow and occasional whiteout conditions.

Winter Storm in NORTHERN SCHOOLCRAFT, MICHIGAN
From 18-MAR-13 17:00:00 to 21-MAR-13 07:00:00 (EST-5)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

There was an estimated seven inches over northern Schoolcraft County in a 12-hour period ending on the morning of the 19th.  Additional accumulation of lake effect snow continued into the morning of the 21st.  The additional snowfall combined with northwest winds gusting to 35 mph caused considerable blowing and drifting of snow and reduced visibility into the morning of the 21st.

Winter Weather in DELTA, MICHIGAN
From 18-MAR-13 16:00:00 to 19-MAR-13 06:00:00 (EST-5)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Trained spotters throughout the county measured five to six inches of snow over a 14-hour period.

Winter Weather in IRON, MICHIGAN
From 18-MAR-13 14:00:00 to 19-MAR-13 07:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

The spotter in Amasa measured five inches of wet snow in 17 hours.

Winter Weather in DICKINSON, MICHIGAN
From 18-MAR-13 14:00:00 to 19-MAR-13 06:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

The observer in Norway measured 4.7 inches of wet snow in 16 hours.

Winter Weather in MENOMINEE, MICHIGAN
From 18-MAR-13 15:00:00 to 19-MAR-13 08:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Spotters from Menominee to Stephenson measured five to six inches of wet snow in 17 hours.

Winter Weather in MARQUETTE, MICHIGAN
From 18-MAR-13 15:00:00 to 19-MAR-13 07:00:00 (EST-5)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

The spotter in Ishpeming measured nearly six inches of wet snow in a 16-hour period.

Winter Weather in SOUTHERN SCHOOLCRAFT, MICHIGAN
From 18-MAR-13 15:00:00 to 19-MAR-13 08:00:00 (EST-5)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

The spotter in Parent Bay measured five inches of wet snow over a 17-hour period.

Winter Storm in ONTONAGON, MICHIGAN
From 18-MAR-13 13:30:00 to 20-MAR-13 19:00:00 (EST-5)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Spotters in Rockland and eight miles west southwest of Ontonagon measured 28 inches and 25 inches of respective storm total snowfall over a two-day period.   Many area schools were closed on the 19th due to the storm.

Winter Storm in NORTHERN HOUGHTON, MICHIGAN
From 18-MAR-13 17:00:00 to 20-MAR-13 07:00:00 (EST-5)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Spotters in Twin Lakes and Jacobsville measured 26 inches and 15.5 inches of respective storm total snowfall over a 38-hour time period.  Strong northwest wind gusting over 35 mph at times caused considerable blowing and drifting of snow with occasional whiteout conditions across northern Houghton County.  The storm forced the early dismissal of Houghton County Schools.

Winter Storm in LUCE, MICHIGAN
From 18-MAR-13 16:30:00 to 21-MAR-13 06:00:00 (EST-5)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

The spotter in Newberry measured a storm total snowfall of 19 inches for the two and a half period ending on the morning of the 21st.   Northwest winds gusting to 35 mph at times also caused considerable blowing and drifting of snow and occasional whiteout conditions.   Many area schools were closed on the 19th due to the storm.

Winter Storm in BARAGA, MICHIGAN
From 18-MAR-13 15:00:00 to 20-MAR-13 07:00:00 (EST-5)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Spotters near Pelkie and L'anse measured 12 inches of storm total snowfall over approximately 40 hours while a spotter at Baraga measured 14 inches of snow over the same period.  Northwest winds gusting over 35 mph at times also caused considerable blowing and drifting of snow and occasional whiteout conditions.  The storm forced the early dismissal of Baraga County Schools.