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US Army Corps of Engineers Great Lakes Water Level Projections into 2020

Printed under Fair Use from the US Army Corps of Engineers Detroit District Website.

Note that we have previous The Eastern Woodlands Fusion articles on Great Lakes water levels:

Property Owners Still Reeling from Great Lakes High Water

2020 Poses Even Higher Water Levels in the Great Lakes

Lake Superior's New Climate Change Reality

 

This is the laterst from the US Army Corps of Engineers Detroit District Website

 

Monthly Bulletin of Great Lakes Water Levels

We do not have the ability to offer email updates at this time.  The Monthly Bulletin is updated by the 5th or 6th day of each month.

Six-Month Forecast Bulletins


Water levels for the previous year and the current year to date are shown as a solid line on the hydrographs. A projection for the next six months is given as a dashed line. This projection is based on the present condition of the lake basin and anticipated future weather. The shaded area shows a range of possible levels over the next six months dependent upon weather variations. Current and projected levels (solid and dashed lines) can be compared with the 1918-2017 average levels (dotted line) and extreme levels (shown as bars with their year of occurrence). The legend below further identifies the information on the hydrographs.

The levels on the hydrographs are shown in both feet and meters above (+) or below (-) Chart Datum. Chart Datum, also known as Low Water Datum, is a reference plane on each lake to which water depth and Federal navigation improvement depths on navigation charts are referred.

All elevations and plots shown in this bulletin are referenced to International Great Lakes Datum 1985 (IGLD 1985). IGLD 1985 has its zero base at Rimouski, Quebec near the mouth of the St. Lawrence River (approximate sea level).

Click here to obtain the full Monthly Bulletin of Lake Levels for the Great Lakes, including last month's basin hydrology (pdf)


Click on the individual graphics to view a larger, printer-friendly image (pdf).     

Click here to obtain the full Monthly Bulletin of Lake Levels for the Great Lakes, including last month's basin hydrology (pdf)

 
 

 

Basin Hydrology


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