Montmorency storm history

Atlanta RAWS site measured apparent temperatures as low as -24F.

Low temperatures around -15F combined with gusty winds led to wind chills as low as -34F, as measured at the Atlanta RAWS site.

Apparent temperature of -26F at RAWS station near Atlanta, MI on the morning of the 23rd, dropping as low as -31F during the overnight hours on the 23rd into the 24th.

Reports of up to 7 inches of snow in the Lewiston area. Additionally, some Montmorency county buildings and offices were closed due to the weather.

Report of 10 inches near Clear Lake State Park in north central Montmorency county.

Spotter reported penny size hail lasting for approximately a minute near Atlanta, MI.

By 8pm EDT on the 29th, enough ice had accreted that Montmorency County emergency management issued a shelter in place notice due to danger posed by falling trees. Multiple shelters were set up across the county, with local businesses stepping up to help their communities while p…

Several reports of 8-9 inches in the Lewiston area.

Social media report of 8 inches of snow in Atlanta as of 1000EST on the 30th.

Reports of trees down blocking driveways. Various other trees down/power outages through the county.

Widespread tree damage across Montmorency county per law enforcement.

Trees of 6-8 inches in diameter downed.

Creeks quickly rose out of their banks and flooded in a small portion of eastern Montmorency County. A nearby spotter reported 2.13 inches of rainfall in less than 3 hours.

Trees were downed, blocking County Road 625 just east of M-33.

Numerous trees were downed in and just east of Lewiston. Multiple streets were blocked by fallen trees.

Some damage done to area crops, including soybeans and wheat.

A trained spotter estimated winds to 60 to 65 mph.

Trees and power lines were downed between Lewiston and Atlanta.