Mchenry storm history

See the event episode narrative for details.

Strong winds and snow combined to produce a blizzard.

McHenry County had estimated wind gusts to 60 mph.

The tornado touched down in an open field west of Balfour and impacted no structures before it lifted northeast of Bergen. There was no damage to evaluate. By National Weather Service policy the tornado is rated EF-U (Unknown).

The tornado touched down in an open field west of Karlsruhe and impacted no structures. There was no damage to evaluate. By National Weather Service policy the tornado is rated EF-U (Unknown).

The tornado touched down in an open field northwest of Karlsruhe and impacted no structures before it dissipated east of Simcoe. There was no damage to evaluate. By National Weather Service policy the tornado is rated EF-U (Unknown).

The tornado touched down in an open field south of Granville and impacted no structures. There was no damage to evaluate. By National Weather Service policy the tornado is rated EF-U (Unknown).

This is the second event entry for one tornado that passed through two counties, McLean and McHenry. The tornado touched down in an open field south of Butte and impacted no structures before it ended just north of the county line north of Butte. There was no damage to evaluate. …

A metal out-building was severely damaged by the wind. Pieces of the metal then blew into a multi family home causing damage to the roof.

Large grain bins were damaged with one being knocked over. This was in an area which had damaging wind gusts earlier in the summer.

The roof of a metal shop was damaged.

Extensive damage occurred to the grain elevator at Voltaire. Two large grain bins were blown completely over with other bins damaged. In addition, the grain leg connecting all the bins from the main terminal was blown off.

Minimum wind chill values dropped to between 45 below to around 60 below over most locations.

Wind chill values dropped as low as 60 below.

Locations near Drake received eight inches of snow.

Strong winds and snow combined to produce a blizzard.

McHenry County received an estimated six inches of snow.

J Clark Salyer RAWS reported wind gusts to 60 mph.

Vehicles were dented by the golf ball size hail.

Thunderstorm wind gusts were estimated by a trained spotter.