Thunderstorm development is anticipated across southern lower Michigan this afternoon, as storms currently over Lake Michigan move east and encounter warm, unstable air over our state. Storms will move west to east at 30mph. Some of these storms are expected to be strong, with a chance of some storm cells becoming severe.
It is difficult to predict exactly if/when strong storms will arrive specifically in Ann Arbor, but we can expect rain and thunderstorms between 2pm through the evening.
With these storms, we have a 15% chance of damaging winds, and a 5% chance of large hail. Some storms will produce heavy rainfall. The tornado threat for today is minimal.
Washtenaw County Emergency Operations Center:
SEVERE THUNDERSTORMS WITH 60 MPH WINDS AND 1 INCH HAIL ARE POSSIBLE THROUGH THIS EVENING.
Looking forward to Tuesday, we can again expect afternoon thunderstorms, with a moderate risk of severe storms with damaging winds and large hail.