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Hydrograph River at a Glance Download
Mississippi River at Clarksville Lock and Dam 24 Tailwater (ft)Flow (kcfs)Observed: 16.12 ft at 11:00AM Dec 16, 2014Observed: 16.12 ft at 11:30AM Dec 16, 2014Observed: 16.12 ft at 12:00PM Dec 16, 2014Observed: 16.13 ft at 12:30PM Dec 16, 2014Observed: 16.12 ft at 1:00PM Dec 16, 2014Observed: 16.12 ft at 1:30PM Dec 16, 2014Observed: 16.15 ft at 2:00PM Dec 16, 2014Observed: 16.13 ft at 2:30PM Dec 16, 2014Observed: 16.13 ft at 3:00PM Dec 16, 2014Observed: 16.52 ft at 3:30PM Dec 16, 2014Observed: 16.61 ft at 4:00PM Dec 16, 2014Observed: 16.68 ft at 4:30PM Dec 16, 2014Observed: 16.74 ft at 5:00PM Dec 16, 2014Observed: 16.76 ft at 5:30PM Dec 16, 2014Observed: 16.8 ft at 6:00PM Dec 16, 2014Observed: 16.83 ft at 6:30PM Dec 16, 2014Observed: 16.84 ft at 7:00PM Dec 16, 2014Observed: 16.86 ft at 7:30PM Dec 16, 2014Observed: 16.88 ft at 8:00PM Dec 16, 2014Observed: 16.89 ft at 8:30PM Dec 16, 2014Observed: 16.9 ft at 9:00PM Dec 16, 2014Highest Observation: 16.91 ft at 9:30PM Dec 16, 2014Observed: 16.85 ft at 10:00PM Dec 16, 2014Observed: 16.82 ft at 10:30PM Dec 16, 2014Observed: 16.79 ft at 11:00PM Dec 16, 2014Observed: 16.77 ft at 11:30PM Dec 16, 2014Observed: 16.75 ft at 12:00AM Dec 17, 2014Observed: 16.62 ft at 12:30AM Dec 17, 2014Observed: 16.58 ft at 1:00AM Dec 17, 2014Observed: 16.55 ft at 1:30AM Dec 17, 2014Observed: 16.53 ft at 2:00AM Dec 17, 2014Observed: 16.51 ft at 2:30AM Dec 17, 2014Observed: 16.49 ft at 3:00AM Dec 17, 2014Observed: 16.48 ft at 3:30AM Dec 17, 2014Observed: 16.47 ft at 4:00AM Dec 17, 2014Observed: 16.45 ft at 4:30AM Dec 17, 2014Observed: 16.45 ft at 5:00AM Dec 17, 2014Observed: 16.45 ft at 5:30AM Dec 17, 2014Observed: 16.45 ft at 6:00AM Dec 17, 2014Observed: 16.45 ft at 6:30AM Dec 17, 2014Observed: 16.45 ft at 7:00AM Dec 17, 2014Observed: 16.45 ft at 7:30AM Dec 17, 2014Observed: 16.42 ft at 8:00AM Dec 17, 2014Observed: 16.42 ft at 8:30AM Dec 17, 2014Observed: 16.41 ft at 9:00AM Dec 17, 2014Observed: 16.41 ft at 9:30AM Dec 17, 2014Observed: 16.41 ft at 10:00AM Dec 17, 2014Observed: 16.41 ft at 10:30AM Dec 17, 2014Observed: 16.4 ft at 11:00AM Dec 17, 2014Observed: 16.4 ft at 11:30AM Dec 17, 2014Observed: 16.4 ft at 12:00PM Dec 17, 2014Observed: 16.4 ft at 12:30PM Dec 17, 2014Observed: 16.41 ft at 1:00PM Dec 17, 2014Observed: 16.4 ft at 1:30PM Dec 17, 2014Observed: 16.4 ft at 2:00PM Dec 17, 2014Observed: 16.4 ft at 2:30PM Dec 17, 2014Observed: 16.39 ft at 3:00PM Dec 17, 2014Observed: 16.39 ft at 3:30PM Dec 17, 2014Observed: 16.41 ft at 4:00PM Dec 17, 2014Observed: 16.41 ft at 4:30PM Dec 17, 2014Observed: 16.41 ft at 5:00PM Dec 17, 2014Observed: 16.41 ft at 5:30PM Dec 17, 2014Observed: 16.41 ft at 6:00PM Dec 17, 2014Observed: 16.39 ft at 6:30PM Dec 17, 2014Observed: 16.39 ft at 7:00PM Dec 17, 2014Observed: 16.39 ft at 7:30PM Dec 17, 2014Observed: 16.39 ft at 8:00PM Dec 17, 2014Observed: 16.38 ft at 8:30PM Dec 17, 2014Observed: 16.38 ft at 9:00PM Dec 17, 2014Observed: 16.38 ft at 9:30PM Dec 17, 2014Observed: 16.37 ft at 10:00PM Dec 17, 2014Observed: 16.38 ft at 10:30PM Dec 17, 2014Observed: 16.37 ft at 11:00PM Dec 17, 2014Observed: 16.36 ft at 11:30PM Dec 17, 2014Observed: 16.36 ft at 12:00AM Dec 18, 2014Observed: 16.37 ft at 12:30AM Dec 18, 2014Observed: 16.37 ft at 1:00AM Dec 18, 2014Observed: 16.37 ft at 1:30AM Dec 18, 2014Observed: 16.37 ft at 2:00AM Dec 18, 2014Observed: 16.37 ft at 2:30AM Dec 18, 2014Observed: 16.37 ft at 3:00AM Dec 18, 2014Observed: 16.38 ft at 3:30AM Dec 18, 2014Observed: 16.37 ft at 4:00AM Dec 18, 2014Observed: 16.38 ft at 4:30AM Dec 18, 2014Observed: 16.38 ft at 5:00AM Dec 18, 2014Observed: 16.39 ft at 5:30AM Dec 18, 2014Observed: 16.39 ft at 6:00AM Dec 18, 2014Observed: 16.38 ft at 6:30AM Dec 18, 2014Observed: 16.4 ft at 7:00AM Dec 18, 2014Observed: 16.4 ft at 7:30AM Dec 18, 2014Observed: 16.4 ft at 8:00AM Dec 18, 2014Observed: 16.43 ft at 8:30AM Dec 18, 2014Observed: 16.43 ft at 9:00AM Dec 18, 2014Observed: 16.44 ft at 9:30AM Dec 18, 2014Observed: 16.45 ft at 10:00AM Dec 18, 2014Observed: 16.46 ft at 10:30AM Dec 18, 2014Observed: 16.49 ft at 11:00AM Dec 18, 2014Observed: 16.47 ft at 11:30AM Dec 18, 2014Observed: 16.46 ft at 12:00PM Dec 18, 2014Observed: 16.46 ft at 12:30PM Dec 18, 2014Observed: 16.47 ft at 1:00PM Dec 18, 2014Observed: 16.47 ft at 1:30PM Dec 18, 2014Observed: 16.33 ft at 2:00PM Dec 18, 2014Observed: 16.32 ft at 2:30PM Dec 18, 2014Observed: 16.34 ft at 3:00PM Dec 18, 2014Observed: 16.25 ft at 3:30PM Dec 18, 2014Observed: 16.24 ft at 4:00PM Dec 18, 2014Observed: 16.14 ft at 4:30PM Dec 18, 2014Observed: 16.11 ft at 5:00PM Dec 18, 2014Observed: 15.95 ft at 5:30PM Dec 18, 2014Observed: 15.91 ft at 6:00PM Dec 18, 2014Observed: 15.87 ft at 6:30PM Dec 18, 2014Observed: 15.84 ft at 7:00PM Dec 18, 2014Observed: 15.82 ft at 7:30PM Dec 18, 2014Observed: 15.8 ft at 8:00PM Dec 18, 2014Observed: 15.79 ft at 8:30PM Dec 18, 2014Observed: 15.77 ft at 9:00PM Dec 18, 2014Observed: 15.75 ft at 9:30PM Dec 18, 2014Observed: 15.75 ft at 10:00PM Dec 18, 2014Observed: 15.75 ft at 10:30PM Dec 18, 2014Observed: 15.74 ft at 11:00PM Dec 18, 2014Observed: 15.73 ft at 11:30PM Dec 18, 2014Observed: 15.73 ft at 12:00AM Dec 19, 2014Observed: 15.78 ft at 12:30AM Dec 19, 2014Observed: 15.79 ft at 1:00AM Dec 19, 2014Observed: 15.79 ft at 1:30AM Dec 19, 2014Observed: 15.81 ft at 2:00AM Dec 19, 2014Observed: 15.82 ft at 2:30AM Dec 19, 2014Observed: 15.85 ft at 3:00AM Dec 19, 2014Observed: 15.85 ft at 3:30AM Dec 19, 2014Observed: 16 ft at 4:00AM Dec 19, 2014Observed: 16.05 ft at 4:30AM Dec 19, 2014Observed: 16.08 ft at 5:00AM Dec 19, 2014Observed: 16.1 ft at 5:30AM Dec 19, 2014Observed: 16.13 ft at 6:00AM Dec 19, 2014Observed: 16.14 ft at 6:30AM Dec 19, 2014Observed: 16.15 ft at 7:00AM Dec 19, 2014Observed: 16.16 ft at 7:30AM Dec 19, 2014Observed: 16.18 ft at 8:00AM Dec 19, 2014Observed: 16.18 ft at 8:30AM Dec 19, 2014Observed: 16.19 ft at 9:00AM Dec 19, 2014Observed: 16.19 ft at 9:30AM Dec 19, 2014Observed: 16.2 ft at 10:00AM Dec 19, 2014Observed: 16.2 ft at 10:30AM Dec 19, 2014Observed: 16.21 ft at 11:00AM Dec 19, 2014Observed: 16.2 ft at 11:30AM Dec 19, 2014Observed: 16.2 ft at 12:00PM Dec 19, 2014Observed: 16.21 ft at 12:30PM Dec 19, 2014Observed: 16.21 ft at 1:00PM Dec 19, 2014Observed: 16.21 ft at 1:30PM Dec 19, 2014Observed: 16.21 ft at 2:00PM Dec 19, 2014Observed: 16.21 ft at 2:30PM Dec 19, 2014Observed: 16.21 ft at 3:00PM Dec 19, 2014Observed: 16.21 ft at 3:30PM Dec 19, 2014Observed: 16.21 ft at 4:00PM Dec 19, 2014Observed: 16.21 ft at 4:30PM Dec 19, 2014Observed: 16.22 ft at 5:00PM Dec 19, 2014Observed: 16.21 ft at 5:30PM Dec 19, 2014Observed: 16.2 ft at 6:00PM Dec 19, 2014Observed: 16.2 ft at 6:30PM Dec 19, 2014Observed: 16.2 ft at 7:00PM Dec 19, 2014Observed: 16.21 ft at 7:30PM Dec 19, 2014Observed: 16.2 ft at 8:00PM Dec 19, 2014Observed: 16.2 ft at 8:30PM Dec 19, 2014Observed: 16.2 ft at 9:00PM Dec 19, 2014Observed: 16.2 ft at 9:30PM Dec 19, 2014Observed: 16.2 ft at 10:00PM Dec 19, 2014Observed: 16.2 ft at 10:30PM Dec 19, 2014Observed: 16.21 ft at 11:00PM Dec 19, 2014Observed: 16.2 ft at 11:30PM Dec 19, 2014Observed: 16.19 ft at 12:00AM Dec 20, 2014Observed: 16.19 ft at 12:30AM Dec 20, 2014Observed: 16.19 ft at 1:00AM Dec 20, 2014Observed: 16.19 ft at 1:30AM Dec 20, 2014Observed: 16.19 ft at 2:00AM Dec 20, 2014Observed: 16.19 ft at 2:30AM Dec 20, 2014Observed: 16.19 ft at 3:00AM Dec 20, 2014Observed: 16.19 ft at 3:30AM Dec 20, 2014Observed: 16.2 ft at 4:00AM Dec 20, 2014Observed: 16.19 ft at 4:30AM Dec 20, 2014Observed: 16.19 ft at 5:00AM Dec 20, 2014Observed: 16.19 ft at 5:30AM Dec 20, 2014Observed: 16.19 ft at 6:00AM Dec 20, 2014Observed: 16.19 ft at 6:30AM Dec 20, 2014Observed: 16.19 ft at 7:00AM Dec 20, 2014Observed: 16.19 ft at 7:30AM Dec 20, 2014Observed: 16.19 ft at 8:00AM Dec 20, 2014Observed: 16.19 ft at 8:30AM Dec 20, 2014Observed: 16.2 ft at 9:00AM Dec 20, 2014Observed: 16.21 ft at 9:30AM Dec 20, 2014Observed: 16.21 ft at 10:00AM Dec 20, 2014Observed: 16.2 ft at 10:30AM Dec 20, 2014Observed: 16.21 ft at 11:00AM Dec 20, 2014Observed: 16.21 ft at 11:30AM Dec 20, 2014Observed: 16.21 ft at 12:00PM Dec 20, 2014Observed: 16.21 ft at 12:30PM Dec 20, 2014Observed: 16.21 ft at 1:00PM Dec 20, 2014Observed: 16.21 ft at 1:30PM Dec 20, 2014Observed: 16.21 ft at 2:00PM Dec 20, 2014Observed: 16.21 ft at 2:30PM Dec 20, 2014Observed: 16.2 ft at 3:00PM Dec 20, 2014Observed: 16.2 ft at 3:30PM Dec 20, 2014Observed: 16.2 ft at 4:00PM Dec 20, 2014Observed: 16.2 ft at 4:30PM Dec 20, 2014Observed: 16.2 ft at 5:00PM Dec 20, 2014Observed: 16.19 ft at 5:30PM Dec 20, 2014Observed: 16.19 ft at 6:00PM Dec 20, 2014Observed: 16.19 ft at 6:30PM Dec 20, 2014Observed: 16.19 ft at 7:00PM Dec 20, 2014Observed: 16.19 ft at 7:30PM Dec 20, 2014Observed: 16.19 ft at 8:00PM Dec 20, 2014Observed: 16.19 ft at 8:30PM Dec 20, 2014Observed: 16.17 ft at 9:00PM Dec 20, 2014Observed: 16.18 ft at 9:30PM Dec 20, 2014Observed: 16.18 ft at 10:00PM Dec 20, 2014Observed: 16.17 ft at 10:30PM Dec 20, 2014Observed: 16.17 ft at 11:00PM Dec 20, 2014Observed: 16.17 ft at 11:30PM Dec 20, 2014Observed: 16.17 ft at 12:00AM Dec 21, 2014Observed: 16.17 ft at 12:30AM Dec 21, 2014Observed: 16.17 ft at 1:00AM Dec 21, 2014Observed: 16.17 ft at 1:30AM Dec 21, 2014Observed: 16.17 ft at 2:00AM Dec 21, 2014Observed: 16.17 ft at 2:30AM Dec 21, 2014Observed: 16.17 ft at 3:00AM Dec 21, 2014Observed: 16.17 ft at 3:30AM Dec 21, 2014Observed: 16.17 ft at 4:00AM Dec 21, 2014Observed: 16.17 ft at 4:30AM Dec 21, 2014Observed: 16.17 ft at 5:00AM Dec 21, 2014Observed: 16.17 ft at 5:30AM Dec 21, 2014Observed: 16.17 ft at 6:00AM Dec 21, 2014Observed: 16.19 ft at 7:30AM Dec 21, 2014Observed: 16.19 ft at 8:00AM Dec 21, 2014Observed: 16.19 ft at 8:30AM Dec 21, 2014Observed: 16.19 ft at 9:00AM Dec 21, 2014Observed: 16.19 ft at 9:30AM Dec 21, 2014Observed: 16.2 ft at 10:00AM Dec 21, 2014Forecast: 16.2 ft 12:00PM Dec 21, 2014Forecast: 16.2 ft 6:00PM Dec 21, 2014Forecast: 16.2 ft 12:00AM Dec 22, 2014Forecast: 16.2 ft 6:00AM Dec 22, 2014Forecast: 16.1 ft 12:00PM Dec 22, 2014Forecast: 16.1 ft 6:00PM Dec 22, 2014Forecast: 16.1 ft 12:00AM Dec 23, 2014Forecast: 16.1 ft 6:00AM Dec 23, 2014Forecast: 16.1 ft 12:00PM Dec 23, 2014Forecast: 16.1 ft 6:00PM Dec 23, 2014Forecast: 16.1 ft 12:00AM Dec 24, 2014Forecast: 16.1 ft 6:00AM Dec 24, 2014Forecast: 16.2 ft 12:00PM Dec 24, 2014Forecast: 16.2 ft 6:00PM Dec 24, 2014Forecast: 16.3 ft 12:00AM Dec 25, 2014Forecast: 16.3 ft 6:00AM Dec 25, 2014Forecast: 16.3 ft 12:00PM Dec 25, 2014Forecast: 16.4 ft 6:00PM Dec 25, 2014Forecast: 16.4 ft 12:00AM Dec 26, 2014Forecast: 16.4 ft 6:00AM Dec 26, 2014Forecast: 16.4 ft 12:00PM Dec 26, 2014Highest Forecast: 16.5 ft 6:00PM Dec 26, 2014Forecast: 16.4 ft 12:00AM Dec 27, 2014Forecast: 16.4 ft 6:00AM Dec 27, 2014Highest Forecast: 16.5 ft 12:00PM Dec 27, 2014Forecast: 16.4 ft 6:00PM Dec 27, 2014Highest Forecast: 16.5 ft 12:00AM Dec 28, 2014Forecast: 16.4 ft 6:00AM Dec 28, 2014Forecast: 16.4 ft 12:00PM Dec 28, 2014Forecast: 16.4 ft 6:00PM Dec 28, 2014Forecast: 16.4 ft 12:00AM Dec 29, 2014Forecast: 16.3 ft 6:00AM Dec 29, 2014Forecast: 16.3 ft 12:00PM Dec 29, 2014Forecast: 16.3 ft 6:00PM Dec 29, 2014Forecast: 16.2 ft 12:00AM Dec 30, 2014Forecast: 16.2 ft 6:00AM Dec 30, 2014Forecast: 16.2 ft 12:00PM Dec 30, 2014Forecast: 16.1 ft 6:00PM Dec 30, 2014Forecast: 16.1 ft 12:00AM Dec 31, 2014Forecast: 16 ft 6:00AM Dec 31, 2014Forecast: 16 ft 12:00PM Dec 31, 2014Forecast: 15.9 ft 6:00PM Dec 31, 2014Forecast: 15.9 ft 12:00AM Jan 01, 2015Forecast: 15.8 ft 6:00AM Jan 01, 2015Forecast: 15.8 ft 12:00PM Jan 01, 2015Forecast: 15.8 ft 6:00PM Jan 01, 2015Forecast: 15.7 ft 12:00AM Jan 02, 2015Forecast: 15.7 ft 6:00AM Jan 02, 2015Forecast: 15.7 ft 12:00PM Jan 02, 2015Forecast: 15.7 ft 6:00PM Jan 02, 2015Forecast: 15.7 ft 12:00AM Jan 03, 2015Forecast: 15.6 ft 6:00AM Jan 03, 2015Forecast: 15.6 ft 12:00PM Jan 03, 2015Forecast: 15.6 ft 6:00PM Jan 03, 2015Forecast: 15.5 ft 12:00AM Jan 04, 2015Forecast: 15.5 ft 6:00AM Jan 04, 2015CLKM7(plotting HTIRG) Graph Created (10:35AM Dec 21, 2014)ObservedForecast (issued 9:56AM Dec 21)Latest observed value: 16.2 ft at 10:00 AM CST 21-Dec-2014. Flood Stage is 25 ft
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About this graph
Tabular Data (UTC)
Tabular Data (CST)
XML Data
RSS Files
Datum: Not Available
Metadata
NOTE: River forecasts for this location take into account past precipitation and the precipitation amounts expected approximately 24 hours into the future from the forecast issuance time.

NOTE: Forecasts for the Mississippi River at Clarksville Lock and Dam 24 are issued routinely year-round.

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Upstream Gauge - at Louisiana Upstream Gauge Downstream Gauge Downstream Gauge - at Winfield Lock and Dam 25
Flood Categories (in feet)
Major Flood Stage: 33
Moderate Flood Stage: 31
Flood Stage: 25
Action Stage: 23
Low Stage (in feet): 0

Historic Crests
(1) 37.73 ft on 07/29/1993
(2) 36.76 ft on 04/24/1973
(3) 36.70 ft on 06/24/2008
(4) 35.30 ft on 04/22/2013
(5) 34.78 ft on 07/09/2014
(6) 34.70 ft on 05/16/2001
(7) 33.70 ft on 10/05/1986
(8) 33.24 ft on 04/06/1983
(9) 32.70 ft on 05/30/1996
(10) 32.44 ft on 04/13/1979
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 34.78 ft on 07/09/2014
(2) 35.30 ft on 04/22/2013
(3) 25.66 ft on 08/03/2011 (P)
(4) 31.81 ft on 06/17/2011 (P)
(5) 31.97 ft on 04/25/2011 (P)
(6) 25.84 ft on 03/01/2011
(7) 25.73 ft on 02/23/2011
(8) 27.55 ft on 10/11/2010
(9) 31.37 ft on 06/25/2010
(10) 29.10 ft on 05/17/2010
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) 9.50 ft on 02/26/1950
(2) 9.95 ft on 01/28/1944
(3) 10.34 ft on 02/25/1965
Show More Low Water Records

For more information on your flood risk go to www.floodsmart.gov.

Zoom Level:14
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Gauge LocationGauge Map Marker
Disclaimer
Latitude/Longitude Disclaimer: The gauge location shown in the above map is the approximate location based on the latitude/longitude coordinates provided to the NWS by the gauge owner.
Flood Impacts & Photos Collapse
If you notice any errors in the below information, please contact our Webmaster
153000 This flow is approximately where CLKM7 goes to "open river" conditions.
38.1 Sny Island Cell #4 levee is overtopped.
37.1 Sny Island Cell #3 levee is overtopped.
36.25 Highway 79 is closed from one mile south of Annada to two miles north of Annada. Route H is closed from Annada to about one mile west of Annada.
34 Route W (Kentucky Street) is closed for one block between Third Street and Highway 79.
33 Clarksville city businesses from 1st Street to 3rd Street begin to flood.
32.79 IL route 96 from near Mozier to County Road 2 inundated and closed near this height.
32.29 Route N is closed between Route D and Highway 79.
32 Front Street begins to flood.
31.5 Burlington Northern SF railroad tracks begin to flood. Also, Highway 79 closes one mile south of Clarksville.
31 The Clarksville Boat Club, south of Lock & Dam 24, begins to flood. First Street begins flooding. In Hamburg, Illinois, Water Street floods.
30 East bank (Illinois side) begins to flood. Highway 79 one mile south of Clarksville begins to flood.
29 Water enters the parking lot entrance at the Clarksville Riverfront Park.
27.2 Silo Park just northwest of Clarksville off Highway 79 begins flooding.
25.5 State Route P east of Elsberry begins flooding just east of the levee.
25.3 The road to Port Marmac, about 15 homes just south of Clarksville, begins flooding.
23.5 Flooding begins in unprotected areas.
23 At this approximate stage, the Corps will take gates out of the river, creating "open river" conditions. This corresponds to an approximate stage of 155,000 cfs.
Photos
(1) Lock and Dam tailwater instruments on June 22, 2010 at a stage of 36.5 feet.
(2) Lock and Dam 24 control center on June 22, 2008 at a stage of 36.5 feet.
(3) Clarksville riverfront on 22 June 2008 at 36.5 feet.
(4) Tennessee Street near 3rd Street on 22 June 2008 with a stage of 36.5 feet.
(5) Kentuckty Street near Highway 79 with a stage of 36.5 feet on 22 June 2008.
(6) Tennessee and 3rd Streets on 22 June 2008 with a stage of 36.5 feet.
(7) Clarksville along Highway 79 (2nd Street) on 22 June 2008 with a stage of 36.5 feet.
(8) Along Wilber Street at 3rd Street with a stage of 36.5 feet on 22 June 2008.
(9) Intersection of Highway 79 and W on May 17, 2001 at 34.5 feet.
(10) Along Wilber Street on 22 June 2008 at a stage of 36.5 feet.
(11) Main Street at 1st Street on May 17, 2001 at a stage of 34.4 ft.
(12) Howard Street on May 17, 2001 at a stage of 34.5 feet.
(13) Highway 79 about 1.6 miles south of Clarksville on June 25, 2010 at 31.34 ft.
(14) Clarksville Boat House flooding on June 25, 2010 at a stage of 31.34 feet.
(15) 1st Street in Clarksville on June 25, 2010 at a stage of 31.34 feet.
(16) Parking area at the Clarksville Riverfront Park on June 25, 2010 at a stage of 31.34 feet.
(17) Highway P near Elsberry on May 19, 2009 at 29.8 ft.
(18) Aerial View
About This Location Collapse

Latitude: 39.373333° N, Longitude: 90.904722° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 25 ft Interpreting hydrographs and NWS watch, warnings, and forecasts, and inundation maps
Vertical Datum Elevation
(gauge height = 0)
Elevation
(gauge height = flood stage)
Elevation information source
NAVD88 Not Available Not Available Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps
NGVD 29 422 ft 447 ft Older USGS topographic maps, NGVD29 benchmarks
MSL Not Available Not Available Older USGS topographic maps, MSL benchmarks
Other Not Available Not Available  
Additional Information Collapse
How low could the river get?
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Hydrologic Resources Additional Resources
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The National Weather Service prepares its forecasts and other services in collaboration with agencies like the US Geological Survey, US Bureau of Reclamation, US Army Corps of Engineers, Natural Resource Conservation Service, National Park Service, ALERT Users Group, Bureau of Indian Affairs, and many state and local emergency managers across the country. For details, please click here.
NWS Information
National Weather Service
St. Louis Weather Forecast Office
12 Missouri Research Park Drive
St. Charles, MO 63304
(636) 441-8467
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Page last modified: 20-Nov-2014 2:54 AM
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