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Hydrograph River at a Glance Download
Arkansas River at Ozark L/D Tailwater Tailwater (ft)Flow (kcfs)Observed: 355.11 ft at 7:00PM Jun 23, 2015Observed: 355.11 ft at 8:00PM Jun 23, 2015Observed: 355.11 ft at 9:00PM Jun 23, 2015Observed: 355.09 ft at 10:00PM Jun 23, 2015Observed: 355.08 ft at 11:00PM Jun 23, 2015Observed: 355.08 ft at 12:00AM Jun 24, 2015Observed: 355.08 ft at 1:00AM Jun 24, 2015Observed: 355.08 ft at 2:00AM Jun 24, 2015Observed: 355.08 ft at 3:00AM Jun 24, 2015Observed: 355.08 ft at 4:00AM Jun 24, 2015Observed: 355.07 ft at 5:00AM Jun 24, 2015Observed: 355.07 ft at 6:00AM Jun 24, 2015Observed: 354.3 ft at 9:00AM Jun 25, 2015Observed: 354.39 ft at 12:00PM Jun 25, 2015Observed: 354.35 ft at 4:00PM Jun 25, 2015Observed: 354.34 ft at 5:00PM Jun 25, 2015Observed: 354.33 ft at 10:00PM Jun 25, 2015Observed: 354.31 ft at 11:00PM Jun 25, 2015Observed: 354.3 ft at 12:00AM Jun 26, 2015Observed: 354.3 ft at 1:00AM Jun 26, 2015Observed: 354.3 ft at 2:00AM Jun 26, 2015Observed: 354.29 ft at 3:00AM Jun 26, 2015Observed: 354.29 ft at 4:00AM Jun 26, 2015Observed: 354.28 ft at 5:00AM Jun 26, 2015Observed: 354.28 ft at 6:00AM Jun 26, 2015Observed: 354.28 ft at 7:00AM Jun 26, 2015Observed: 354.28 ft at 8:00AM Jun 26, 2015Observed: 354.24 ft at 9:00AM Jun 26, 2015Observed: 354.15 ft at 10:00AM Jun 26, 2015Observed: 354.09 ft at 11:00AM Jun 26, 2015Observed: 354.06 ft at 12:00PM Jun 26, 2015Observed: 354.04 ft at 1:00PM Jun 26, 2015Observed: 354.04 ft at 2:00PM Jun 26, 2015Observed: 354.03 ft at 3:00PM Jun 26, 2015Observed: 354.02 ft at 4:00PM Jun 26, 2015Observed: 354.39 ft at 5:00PM Jun 26, 2015Observed: 354.31 ft at 6:00PM Jun 26, 2015Observed: 354.21 ft at 7:00PM Jun 26, 2015Observed: 354.13 ft at 8:00PM Jun 26, 2015Observed: 354.08 ft at 9:00PM Jun 26, 2015Observed: 354.07 ft at 10:00PM Jun 26, 2015Observed: 354.13 ft at 11:00PM Jun 26, 2015Observed: 354.21 ft at 12:00AM Jun 27, 2015Observed: 354.26 ft at 1:00AM Jun 27, 2015Observed: 354.3 ft at 2:00AM Jun 27, 2015Observed: 354.33 ft at 3:00AM Jun 27, 2015Observed: 354.35 ft at 4:00AM Jun 27, 2015Observed: 354.36 ft at 5:00AM Jun 27, 2015Observed: 354.37 ft at 6:00AM Jun 27, 2015Observed: 354.37 ft at 7:00AM Jun 27, 2015Observed: 354.39 ft at 8:00AM Jun 27, 2015Observed: 354.41 ft at 9:00AM Jun 27, 2015Observed: 354.45 ft at 10:00AM Jun 27, 2015Observed: 354.54 ft at 11:00AM Jun 27, 2015Observed: 354.63 ft at 12:00PM Jun 27, 2015Observed: 354.71 ft at 1:00PM Jun 27, 2015Observed: 354.77 ft at 2:00PM Jun 27, 2015Observed: 354.8 ft at 3:00PM Jun 27, 2015Observed: 354.84 ft at 4:00PM Jun 27, 2015Observed: 354.87 ft at 5:00PM Jun 27, 2015Observed: 354.95 ft at 6:00PM Jun 27, 2015Observed: 355.03 ft at 7:00PM Jun 27, 2015Observed: 355.09 ft at 8:00PM Jun 27, 2015Observed: 355.14 ft at 9:00PM Jun 27, 2015Observed: 355.18 ft at 10:00PM Jun 27, 2015Observed: 355.21 ft at 11:00PM Jun 27, 2015Observed: 355.22 ft at 12:00AM Jun 28, 2015Observed: 355.32 ft at 1:00AM Jun 28, 2015Observed: 355.41 ft at 2:00AM Jun 28, 2015Observed: 355.47 ft at 3:00AM Jun 28, 2015Observed: 355.52 ft at 4:00AM Jun 28, 2015Observed: 355.55 ft at 5:00AM Jun 28, 2015Observed: 355.58 ft at 6:00AM Jun 28, 2015Observed: 355.6 ft at 7:00AM Jun 28, 2015Observed: 355.61 ft at 8:00AM Jun 28, 2015Observed: 355.62 ft at 9:00AM Jun 28, 2015Observed: 355.62 ft at 10:00AM Jun 28, 2015Highest Observation: 355.63 ft at 11:00AM Jun 28, 2015Highest Observation: 355.63 ft at 12:00PM Jun 28, 2015Highest Observation: 355.63 ft at 1:00PM Jun 28, 2015Highest Observation: 355.63 ft at 2:00PM Jun 28, 2015Observed: 355.62 ft at 3:00PM Jun 28, 2015Observed: 355.62 ft at 4:00PM Jun 28, 2015Observed: 355.61 ft at 5:00PM Jun 28, 2015Observed: 355.62 ft at 6:00PM Jun 28, 2015Observed: 355.6 ft at 7:00PM Jun 28, 2015Observed: 355.6 ft at 8:00PM Jun 28, 2015Observed: 355.58 ft at 9:00PM Jun 28, 2015Observed: 355.57 ft at 10:00PM Jun 28, 2015Observed: 355.55 ft at 11:00PM Jun 28, 2015Observed: 355.54 ft at 12:00AM Jun 29, 2015Observed: 355.44 ft at 1:00AM Jun 29, 2015Observed: 355.33 ft at 2:00AM Jun 29, 2015Observed: 355.24 ft at 3:00AM Jun 29, 2015Observed: 355.16 ft at 4:00AM Jun 29, 2015Observed: 355.12 ft at 5:00AM Jun 29, 2015Observed: 355.08 ft at 6:00AM Jun 29, 2015Observed: 355.06 ft at 7:00AM Jun 29, 2015Observed: 355.04 ft at 8:00AM Jun 29, 2015Observed: 355.03 ft at 9:00AM Jun 29, 2015Observed: 355.02 ft at 10:00AM Jun 29, 2015Observed: 355 ft at 11:00AM Jun 29, 2015Observed: 354.99 ft at 12:00PM Jun 29, 2015Observed: 354.09 ft at 10:00AM Jun 30, 2015Observed: 354.09 ft at 11:00AM Jun 30, 2015Observed: 354.1 ft at 12:00PM Jun 30, 2015Observed: 354.1 ft at 1:00PM Jun 30, 2015Observed: 354.11 ft at 2:00PM Jun 30, 2015Observed: 354.12 ft at 3:00PM Jun 30, 2015Observed: 354.14 ft at 4:00PM Jun 30, 2015Observed: 354.17 ft at 5:00PM Jun 30, 2015Observed: 354.17 ft at 6:00PM Jun 30, 2015Observed: 354.17 ft at 7:00PM Jun 30, 2015Observed: 354.17 ft at 8:00PM Jun 30, 2015Observed: 354.18 ft at 9:00PM Jun 30, 2015Observed: 354.19 ft at 10:00PM Jun 30, 2015Observed: 354.19 ft at 11:00PM Jun 30, 2015Observed: 354.2 ft at 12:00AM Jul 01, 2015Observed: 354.31 ft at 1:00AM Jul 01, 2015Observed: 354.4 ft at 2:00AM Jul 01, 2015Observed: 354.42 ft at 3:00AM Jul 01, 2015Observed: 354.34 ft at 4:00AM Jul 01, 2015Observed: 354.35 ft at 5:00AM Jul 01, 2015Observed: 354.43 ft at 6:00AM Jul 01, 2015Observed: 354.47 ft at 7:00AM Jul 01, 2015Observed: 354.53 ft at 8:00AM Jul 01, 2015Observed: 354.58 ft at 9:00AM Jul 01, 2015Observed: 354.72 ft at 11:00AM Jul 01, 2015Observed: 354.7 ft at 12:00PM Jul 01, 2015Observed: 354.72 ft at 1:00PM Jul 01, 2015Observed: 354.81 ft at 2:00PM Jul 01, 2015Observed: 354.76 ft at 3:00PM Jul 01, 2015Observed: 354.69 ft at 4:00PM Jul 01, 2015Observed: 354.64 ft at 5:00PM Jul 01, 2015Observed: 354.61 ft at 6:00PM Jul 01, 2015Observed: 354.6 ft at 7:00PM Jul 01, 2015Observed: 354.6 ft at 8:00PM Jul 01, 2015Observed: 354.6 ft at 9:00PM Jul 01, 2015Observed: 354.61 ft at 10:00PM Jul 01, 2015Observed: 354.63 ft at 11:00PM Jul 01, 2015Observed: 354.72 ft at 12:00AM Jul 02, 2015Observed: 354.79 ft at 1:00AM Jul 02, 2015Observed: 354.83 ft at 2:00AM Jul 02, 2015Observed: 354.86 ft at 3:00AM Jul 02, 2015Observed: 354.88 ft at 4:00AM Jul 02, 2015Observed: 354.9 ft at 5:00AM Jul 02, 2015Observed: 354.91 ft at 6:00AM Jul 02, 2015Observed: 354.92 ft at 7:00AM Jul 02, 2015Observed: 354.94 ft at 8:00AM Jul 02, 2015Observed: 354.95 ft at 9:00AM Jul 02, 2015Observed: 354.95 ft at 10:00AM Jul 02, 2015Observed: 354.95 ft at 11:00AM Jul 02, 2015Observed: 354.94 ft at 12:00PM Jul 02, 2015Observed: 354.94 ft at 1:00PM Jul 02, 2015Observed: 354.94 ft at 2:00PM Jul 02, 2015Observed: 354.93 ft at 3:00PM Jul 02, 2015Observed: 354.92 ft at 4:00PM Jul 02, 2015Observed: 354.91 ft at 5:00PM Jul 02, 2015Observed: 354.9 ft at 6:00PM Jul 02, 2015Observed: 354.89 ft at 7:00PM Jul 02, 2015Observed: 354.88 ft at 8:00PM Jul 02, 2015Observed: 354.79 ft at 9:00PM Jul 02, 2015Observed: 354.76 ft at 10:00PM Jul 02, 2015Observed: 354.69 ft at 11:00PM Jul 02, 2015Observed: 354.64 ft at 12:00AM Jul 03, 2015Observed: 354.6 ft at 1:00AM Jul 03, 2015Forecast: 354.5 ft 7:00AM Jul 03, 2015Forecast: 354.5 ft 1:00PM Jul 03, 2015Forecast: 354.6 ft 7:00PM Jul 03, 2015Forecast: 354.8 ft 1:00AM Jul 04, 2015Forecast: 355 ft 7:00AM Jul 04, 2015Forecast: 355.2 ft 1:00PM Jul 04, 2015Forecast: 355.3 ft 7:00PM Jul 04, 2015Highest Forecast: 355.4 ft 1:00AM Jul 05, 2015Forecast: 355.3 ft 7:00AM Jul 05, 2015Forecast: 355.2 ft 1:00PM Jul 05, 2015Forecast: 355.1 ft 7:00PM Jul 05, 2015Forecast: 355 ft 1:00AM Jul 06, 2015Forecast: 354.9 ft 7:00AM Jul 06, 2015Forecast: 354.7 ft 1:00PM Jul 06, 2015Forecast: 354.6 ft 7:00PM Jul 06, 2015Forecast: 354.4 ft 1:00AM Jul 07, 2015Forecast: 354.2 ft 7:00AM Jul 07, 2015Relevant - Ready - Responsive - ReliableOZGA4(plotting HTIRG) Graph Created (1:34AM Jul 3, 2015)ObservedForecast (issued 7:56AM Jul 2)Latest observed value: 354.6 ft at 1:00 AM CDT 3-Jul-2015. Flood Stage is 357 ft
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About this graph
Tabular Data (UTC)
Tabular Data (CDT)
XML Data
RSS Files
Datum: Not Available
Metadata
Reliability of the Forecast: Based on current and forecast river, weather and reservoir conditions

NOTE: Forecasts for the Arkansas River at Ozark L/D Tailwater are issued routinely year-round.

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Upstream Gauge - at Van Buren Upstream Gauge Downstream Gauge Downstream Gauge - at Dardanelle
Flood Categories (in feet)
Major Flood Stage: 365
Moderate Flood Stage: 363
Flood Stage: 357
Action Stage: 355.5
Low Stage (in feet): 0

Historic Crests
(1) 375.50 ft on 05/13/1943
(2) 370.00 ft on 05/06/1990
(3) 368.50 ft on 10/09/1986
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 357.98 ft on 06/20/2015
(2) 357.82 ft on 06/16/2015
(3) 367.41 ft on 06/01/2015
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
Currently none available.

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

Zoom Level:14
KML Image
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
377 this is the critical stage for the McLean Bottom Levee. This is an extremely dangerous and life threatening situation.
373 this is the critical stage for the Lower Hartman Bottom Levee. This is an extremely dangerous and life threatening situation.
370 this is the highest stage experienced since the completion of the navigation system in 1969. This is an extremely dangerous and life threatening situation.
367 Highways 309 and 288 northwest of Paris in Logan County are inundated by backwater up Six Mile Creek. Backwater flooding will spread westward into Franklin County at higher stages. This is an extremely dangerous and life threatening situation.
365 County Roads 228 and 4 south of Coal Hill in Johnson County are inundated. Roads northeast of Scranton in Logan County are inundated by backwater up Cane Creek. This is an extremely dangerous and life threatening situation.
363 patrolling of McLean Bottom Levee in Logan County and Lower Hartman Levee in Johnson County begins. Flooding spreads over more than 4,000 acres in Franklin and Logan Counties. Numerous gas fields are flooded. Some agricultural lands in Johnson County also are flooded.
360 flooding spreads over more than 4,000 acres in Franklin and Logan Counties. Numerous gas fields are flooded. Some agricultural lands in Johnson County also are flooded.
357 flooding affects agricultural use lands along the river downstream of the lock and dam in Franklin County. Gas fields are also subject to flooding downstream. Equipment and livestock should be moved to higher ground.
Photos
(1) Ozark Lock & Dam
About This Location Collapse

Latitude: 35.472500° N, Longitude: 93.812778° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 357 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 0 ft 357 ft Older USGS topographic maps, NGVD29 benchmarks
MSL Not Available Not Available Older USGS topographic maps, MSL benchmarks
Other Not Available Not Available  

Current/Historical Observations:

Additional Information Collapse
River flow forecast can be found at the following link: http://www.srh.noaa.gov/images/rtimages/abrfc/Hydrographs/fcst/images/OZARK_2ESE_QT.gif
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Hydrologic Resources Additional Resources
Collaborative Agencies Collapse
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
Little Rock Weather Forecast Office
8400 Remount Road
North Little Rock, AR 72118
(501) 834-0308
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Page last modified: 12-Feb-2015 9:33 PM
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