Post on 06-Oct-2020
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“The views, opinions and findings contained in this report are those of the authors(s) and should not be construed as an official Department of the Army position, policy or decision, unless so designated by other official documentation.”
Keith Kompoltowicz Chief, Watershed Hydrology Detroit District, US Army Corps of Engineers 10 June 2019
GREAT LAKES WATER LEVELS 1
6-MONTH WATER LEVEL FORECAST 2
New record high level for May Projected levels(dashed green line):
• Above record highs June – August
• 12 to 16 inches above long term average levels
• 7 to 11 inches above last year’s levels through September and 1 to 3 inches above in October and November
Forecast range (shaded area)
• Potential levels should wetter or dryer weather occur
3
6-MONTH WATER LEVEL FORECAST
Projected levels(dashed green line):
• Ties record highs in June and July
• 31 to 32 inches above long term average levels
• 12 to 17 inches above last
year’s levels
Forecast range (shaded area) • Record highs possible with
wetter than expected condtions.
4
6-MONTH WATER LEVEL FORECAST
New record high level for May Projected levels(dashed green line):
• Ties the record high in June, 1
to 3 inches below record high in July - September
• 26 to 29 inches above long
term average levels • 3 to 8 inches above last year’s
levels
Forecast range (shaded area) • Upper range indicates
chances of record high water levels through September if wet conditions occur.
5
6-MONTH WATER LEVEL FORECAST
New record high level for May Projected levels(dashed green line):
• 1 inch above record high in
June. 1 to 2 inches below record highs in July and August
• 22 to 28 inches above long term average levels
• 4 to 7 inches above last
year’s levels
Forecast range (shaded area) • Upper range indicates
chances of record high water levels through September if wet conditions occur.
6
6-MONTH WATER LEVEL FORECAST
Projected levels(dashed green line):
• 2 inches above record high in June, 1 inch below in July
• 11 to 31 inches above long
term average • 8 to 25 inches above last
year’s levels
Forecast range (shaded area) • Upper range indicates
chances for record high levels if wet conditions occur
33 U.S.C. 701n (commonly referred to as Public Law (PL) 84-99): USACE can support local natural disasters supplementing local resources just prior to or during an event. Technical Assistance: Technical expertise in review and recommendations in support of
state and local efforts, and helping determine feasible solutions. Direct Assistance: Sandbags, plastic sheeting, HESCO barriers, for protection of public
infrastructure Currently providing Technical Assistance to the City of Detroit, Macomb County, and St. Clair County.
EMERGENCY RESPONSE AUTHORITIES