A fierce, fast-moving line of thunderstorms tore across Michigan's Lower Peninsula yesterday, triggering tornado warnings in the southwest corner of the state and prompting a wide severe thunderstorm watch for much of lower Michigan. Forecasters warned that the system could pack heavy lightning, brief bursts of hail, and powerful straight-line winds capable of knocking down trees and roughing up entire neighborhoods in a matter of minutes.
According to the National Weather Service, a Severe Thunderstorm Watch was hoisted over large swaths of lower Michigan and set to run through 11 p.m. yesterday. The local forecast highlighted gusty winds and late-evening storms as the main threats for areas exposed to the passing line.
What to Expect
MLive meteorologist Mark Torregrossa said the squall line could punch out wind gusts up to 70 mph in portions of the watch area, along with smaller but still damaging hail and frequent lightning. He noted that any single spot would likely endure the most intense part of a storm cell for roughly 15 minutes, although the line had enough spin and instability to produce a tornado or two where conditions lined up just right.
Tornadoes and Damage
The turbulent system did in fact produce at least one confirmed tornado in southwest Michigan. The National Weather Service identified a twister just north of Union City, with reports of significant damage in and around Three Rivers, according to the Detroit Free Press. Local TV crews captured video of a tornado striking a Menards and continued to post damage updates as warning polygons marched across Calhoun, St. Joseph and Branch counties. FOX 17 compiled a roundup of those reports.
Safety Tips
Residents caught in the watch and warning zones were urged to get to the interior of their homes, steer clear of windows and hunker down in sturdy shelter until the storms moved on, according to MLive and local officials. With high winds capable of snapping limbs and toppling power lines, officials stressed that any downed wire should be treated as live and that outages should be reported to utilities once conditions are safe.
By Friday night, power outages and fallen trees were already being reported in several communities, and forecasters warned that another round of storms could roll through overnight into Saturday morning. Until the line fully clears the region, residents are being urged to stay weather-aware and follow local emergency guidance.
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