As rain has occluded and cancelled out the past two days of severe weather, a clear morning gives high confidence to todays threat. Today, the Storm Prediction Center has placed the Thumb under a Marginal Risk, The I-69 corridor in a Slight Risk, and M-59 and south/west under an Enhanced Risk for severe weather.

The main threats are, Damaging Wind gusts up to 70 MPH, Isolated tornadoes, and Hail from golf ball, up to tennis ball size (1.75″ to 2.50″.) I have declared today a Weather Authority Weather Alert Day for this reason.

Storms are expected after 8pm, into almost 5am Monday morning, with 1 round, and a secondary burst looking possible from the latest HRRR model.

I highly expect the SPC to issue a Severe Thunderstorm Watch anywhere after 1pm, and will post the Mesoscale Discussion (the article the SPC publishes that tells us the chance of a watch issuance beforehand) to our Facebook page, Mid-Michigan Weather Authority.

Keep your eyes to the sky after 8pm, and have more way than one to receive warnings.

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