A prolonged north northwest flow lake effect event began on the morning of the fifth of  December and continued until the evening hours of December seventh.  There were two areas with very heavy snowfall.  The first area was from 12 miles east of Ludington southeast into northeast Oceana county.  Up to 24 inches of snow was reported 12 miles east of Ludington by mid morning on the 8th.   The second area of heavy snow was from western Ottawa county, southwest across Allegan county into northeast Van Buren county with up to 20 inches of snow there.

Lake-Effect Snow in MASON, MICHIGAN
From 05-DEC-10 07:00:00 to 07-DEC-10 21:00:00 (EST-5)
Reported by: County Official

The Mason county road commission estimated 18 to 24 inches of snow fell across the eastern portion of the county about 8 to 12 miles east of Lake Michigan from the fifth through mid morning on the eighth.  The Ludington Press reported that numerous accidents occurred on the sixth due to slippery roads.

Lake-Effect Snow in OCEANA, MICHIGAN
From 05-DEC-10 07:00:00 to 07-DEC-10 21:00:00 (EST-5)
Reported by: CoCoRaHS

A CoCoRaHS observer reported that 8.8 inches of snow fell by 7 a.m. on December the eighth.

Lake-Effect Snow in LAKE, MICHIGAN
From 05-DEC-10 07:00:00 to 07-DEC-10 21:00:00 (EST-5)
Reported by: Department of Highways

The Lake county road commission reported that fifteen inches of snow fell three miles south of Branch by 5 p.m. on the seventh.  Fifteen inches of snow was also reported eight miles southwest of Baldwin.

Lake-Effect Snow in NEWAYGO, MICHIGAN
From 05-DEC-10 07:00:00 to 07-DEC-10 21:00:00 (EST-5)
Reported by: NWS Storm Survey

It is estimated by radar and snowfall reports in the vicinity that in excess of a foot of snow fell across the extreme northwest part of Newaygo county.

Lake-Effect Snow in OTTAWA, MICHIGAN
From 06-DEC-10 07:00:00 to 07-DEC-10 21:00:00 (EST-5)
Reported by: County Official

Dozens of automobile accidents were reported near Holland on the sixth.  Most of the crashes were in the vicinity of US-31 in Holland and frequent whiteouts were reported in heavy lake effect snow.  The Ottawa county road commission reported that 18 inches of snow fell just northeast of Holland State Park by late morning of the eighth and that 18 inches of snow also fell in Port Sheldon.

Lake-Effect Snow in VAN BUREN, MICHIGAN
From 06-DEC-10 07:00:00 to 07-DEC-10 21:00:00 (EST-5)
Reported by: COOP Observer

Eighteen inches of snow was reported by a coop observer in Bloomingdale by 5 a.m. on the eighth.  A CoCoRaHs observer reported 12.6 inches of snow just north northeast of Paw Paw.  A county official reported that a foot of snow fell in Lawrence.

Lake-Effect Snow in ALLEGAN, MICHIGAN
From 06-DEC-10 07:00:00 to 07-DEC-10 21:00:00 (EST-5)
Reported by: Trained Spotter

A trained spotter estimated that eighteen to twenty inches of snow fell five miles southeast of Holland by 10 a.m. on the eighth.  The Fennville fire department reported that fifteen inches of snow fell by late morning on the eighth.

Lake-Effect Snow in MUSKEGON, MICHIGAN
From 06-DEC-10 07:00:00 to 07-DEC-10 21:00:00 (EST-5)
Reported by: NWS Employee

Radar estimates, spotter reports from Norton Shores, and reports from adjacent Allegan County support snowfall of 6 to 10 inches over the extreme west and southwest portions of the county along the immediate coast from Sunday into early morning Monday.