River Observations - Mississippi River, Quincy Lock, IL

Mississippi River - Gauge QLDI2

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Quincy Lock, IL
Lat: 39.88N, Lon: 91.45W Weather Forecast for West Quincy, MO

Critical Stages
15' -Action	17' -Flood	18' -Moderate Flood	22' -Major Flood

Latest Observation
Updated: 1:30:00 AM CDT SUN MAY 19 2013

Stage:	17.86 ft
Flow:	233 kcfs*
* Thousand cubic feet per second

Forecast

Data provided by NOAA Advanced Hydrologic Prediction Service

Flood Impacts
32.2	Flood of Record - July 13, 1993
30.8	This level is expected to be met or exceeded on average once every 500 years.
30.5	This level is expected to be met or exceeded on average once every 200 years.
28.9	April 25, 1973 crest
27.5	This level is expected to be met or exceeded on average once every 100 years.
25.7	This level is expected to be met or exceeded on average once every 50 years.
25.0	Quincy Waterworks inundated.
23.6	This level is expected to be met or exceeded on average once every 25 years.
23.0	U.S. Highway 61 floods
22.5	Major flooding begins.
22.0	Major flooding begins.
20.7	This level is expected to be met or exceeded on average once every 10 years.
18.5	Urban damage begins in LaGrange, MO.
18.1	This level is expected to be met or exceeded on average once every 5 years.
18.0	Moderate flooding begins.
17.0	Flood Stage: Minor flooding begins.
15.5	This level is expected to be met or exceeded on average once every 2 years.
14.0	Unprotected bottomlands flood.
12.3	This is the upper limit of the pool level at Lock and Dam 21.
12.2	This is the target pool level for navigation at Lock & Dam 21.
11.8	This is the lower limit of the pool level at Lock & Dam 21.

Historical Crests	Low Water Records
1) 32.30 ft on 07/13/1993 2) 28.90 ft on 04/25/1973 3) 26.55 ft on 05/16/2001 4) 25.30 ft on 10/04/1986 5) 24.80 ft on 04/28/1965 6) 24.40 ft on 04/04/1960 6) 24.40 ft on 05/29/1996 8) 24.20 ft on 04/29/1995 9) 23.90 ft on 06/10/1947 10) 23.80 ft on 04/05/1983	Historical low water information is not available.