July 26, 2021 Severe Thunderstorms

NWS Marquette, MI

July 30, 2021

A building with part of the roof and an exterior wall blown down

Summary

Severe thunderstorms tracked along the southern edge of Upper Michigan in the evening of Monday, July 26, 2021. Wind damage was observed from Ironwood through Iron Mountain to Escanaba. The strongest wind gusts were confined to an area around Marenisco, where a storm damage survey found straight-line winds with speeds estimated to be up to 90 mph. There were numerous road closures and power outages in this area, with some power outages lasting for several days.

Meteorology

01 / 07

Wind and Hail Reports

Click the points on the map below to see reports of hail or wind from that location. Some wind reports are measured speeds, and others are descriptions of damage without a measured speed.

Wind and Hail Reports

Marenisco Damage Photos

Additional Photos & Videos

These photos were received from numerous sources. All photos are greatly appreciated!

01 / 07

A picture of a downed tree. In Marenisco.

A picture of a leaning power pole with several broken powerlines in Marenisco.

Part of a garage roof was torn off in Marenisco.

Social Media

(Click arrow at right for more)

The graphic reads as follows: "Strong Thunderstorms Possible Tonight. Primary Hazards: Lightning and Wind. The west can expect the storms earliest, followed by the north central, then south central, and then finally the east. For Safety Actions, find a sturdy structure, enable cell phone alerts, and have a NOAA Weather Radio handy. There is a slight risk for severe storms over the west and central, and a marginal risk over the east.