Severe Weather Threat Ends

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Here’s the Severe Weather Outlook Map for the rest of this Sat. night:

Severe Weather Outlook Map from now to Sun. 8 am

The threat of severe weather is over for Lower Michigan. There is still a Marginal Risk across parts of N. Illinois, N. Indiana and N. Ohio. Thunderstorms are still possible before daybreak, generally south of a line from Muskegon to Flint. Heavy rain and vivid cloud-ground lightning are possible with the overnight storms.

Here’s regional radar:

Central Great Lakes sector loop

And Grand Rapids radar:

Click for latest Base Reflectivity radar loop from the Grand Rapids/Muskegon, MI radar and current weather warnings

Here’s links to current U.S. Severe Thunderstorm and Tornado Watches, current Mesoscale Discussions from the Storm Prediction Center, current Michigan weather observations, Wisconsin weather observations and Minnesota weather observations.

Here’s Storm Total Rainfall from radar. It shows 4-10″ of rain across parts of Mason and Lake Counties. Saturday AM/midday storms produced significant flooding. There was a report of 12.43″ since 5:30 Sat. morning 2 Miles North of Millerton in far Eastern Mason County, right on the border of Lake County. Gentleman said culverts are all flooded over. Here’s some rainfall amounts: 9.5 at Custer, 6″ at Irons in Lake Co., 5.15″ at Bear Lake, 4.59″ at Chase in Lake Co., 4″ at Ashton, 2.6″ Walhalla in Mason Co., 2.51″ Ludington. A wind gust of 48 mph was recorded at Big Rapids. FLOOD WARNING for Mason and Lake Counties. Sat. evening there were 10 roads closed in Lake Co. (inc. US 10 at one spot) and 5 in Mason Co.

US 31 NORTH OF SCOTTVILLE WAS CLOSED IN MULTIPLE PLACES DUE TO WATER OVER THE HIGHWAY.
Severe Weather Outlook Map for Sunday 7/21

Here’s the severe weather outlook area for Sun. 7/21. The Marginal Risk has now been moved south of Lower Michigan – it’s across IL – IN – OH. There is still a chance of a non-severe thundershower south of a line from Oceana Co. to north of Port Huron. Cooler and less humid air is on the way for early this coming week.

Peak wind gusts Fri. night: Estimated 80 mph in Jenison (Magnolia Dr. microburst), 69 mph Ford Airport in G.R., 67 mph on a ship northwest of Manistee, 67 mph at Hudsonville, 64 mph Muskegon Airport, 61 mph in East Grand Rapids (tree on car), 58 mph in Kalamazoo and in Ludington, 56 mph at Battle Creek, est. 55 mph in Comstock Park, 54 mph Holland (airport),51 mph in Manistee and N. Dorr, 49 mph at Lansing and Big Sable Point, 47 mph in Shelby and Gobles, 46 mph in Fremont and Ionia, 45 mph at Big Rapids and Paw Paw, 43 mph in Allegan, 40 mph at Hartford and 37 mph at Charlotte.

Here’s storm total rainfall:

There were several reports of small hail. Up to 161,000 Consumers Energy customers lost power, including over 51,000 in Kent Co. According to PowerOutages.us there were over 1/4 million customers without power in the Great Lakes Region. We’re still at 140,000 without power at 9:09 pm Saturday.

Confirmed Tornado in Wisconsin Fri. evening

The Excessive Heat Warning for Ottawa, Kent, Ionia and Clinton Counties to the south and the Heat Advisory for Muskegon, Newaygo and Montcalm Counties to the north have expired.

Waves washing over the breakwater at Grand Haven on Thursday

This picture was taken by my daughter #2 Thurs. evening at Grand Haven. The high water level has moderate waves crashing over the breakwater. The windward side of the breakwaters can develop dangerous currents on breezy days. The wind pushes the water toward the pier (it’s actually a breakwater…piers allow water to go underneath them…breakwaters do not). With a south or southwest wind, like we have this PM, the south sides of the piers/breakwaters may have dangerous currents pushing you out toward the middle of the lake.

There was also an Air Quality Alert Saturday for Berrien, Cass, Van Buren, Allegan, Ottawa, Kent and Muskegon Counties. That has expired.

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