great lakes water levels - noaa
TRANSCRIPT
GREAT LAKES WATER LEVELS
John AllisChief, Great Lakes Hydraulics and Hydrology Office
Detroit District, Corps of EngineersDate: 13 Apr 2020
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MONITORING GREAT LAKES WATER LEVELS
Daily Average Water Levels Based on Lake-Wide Average Network• Lake Superior: Duluth, Marquette, Pt. Iroquois, Thunder Bay, Michipicoten• Lakes Michigan-Huron: Harbor Beach, Ludington, Mackinaw City, Milwaukee, Tobermory, Thessalon• Lake St. Clair: St. Clair Shores, Belle River• Lake Erie: Toledo, Cleveland, Port Stanley, Port Colborne• Lake Ontario: Oswego, Rochester, Toronto, Kingston, Port Weller, Cobourg
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ANNUAL WATER LEVELS AND THE HYDROLOGIC CYCLE
WINTER SPRING SUMMER FALL
Snowaccumulation
Snow melt, rainfall,increased runoff
Increasedsunshine warmslake water
Increasedevaporation
4Decade plus of low water with record lows
Record rise and record highs
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LAKE SUPERIOR
6
6
LAKE HURON
7
7
LAKE MICHIGAN
8
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LAKE ERIE
9
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LAKE ONTARIO
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PRECIPITATION RANKS FOR GREAT LAKES BASIN
Wettest 12, 24, 48 and 60 month periods in 120 plus years for the Great Lakes
NOAA National Centers for Environmental Information, Climate at a Glance
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6 MONTH WATER LEVEL FORECAST
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6 MONTH WATER LEVEL FORECAST
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6 MONTH WATER LEVEL FORECAST
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6 MONTH WATER LEVEL FORECAST
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6 MONTH WATER LEVEL FORECAST
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HTTPS://WWW.LRE.USACE.ARMY.MIL/ABOUT/GREAT-LAKES-HIGH-WATER/
John Allis313 226 2137