Lake and River LevelsJuly 27th, 2012 at 9:55 pm by Bill Steffen under Bill's Blog, News, Weather
Boat that sunk in Spring Lake on 7/22 – see full screen here – from Keith on ReportIt. I don’t have details on the sunken craft. The water level of Lake Superior is up 2″ in the last month and is now 2″ above the level of one year ago (they’ve had more rain up north – where the “ring of fire” has been located). The rest of the Great Lakes are down…Michigan/Huron is down 2″ in the last month and 9″ in the last year. The lake is now 22″ below the average July level. Lake Erie is down 3″ in the last month and down 14″ year-to-year and Lake Ontario is down 6″ in the last month and down 12″ in the past year. Ontario is 10″ below average and Erie is 8″ below average. Erie and Ontario go through larger fluctuations over shorter periods of time than the other 3 Great Lakes. The rain today in Kent Co. caused significant rises in river levels. Look at the chart for the Rogue River at Rockford. The Rogue was well below average flow and shot up to well above average flow…but look at how fast it’s coming down already. Here’s the Grand River in Grand Rapids, also showing a significant rise with the rain today. You can see how quickly even a bigger river can rise with a quick heavy rain event.