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Hydrograph River at a Glance Download
Salt Fork Arkansas River at Tonkawa Stage (ft)Flow (kcfs)Observed: 4.26 ft at 9:30PM Dec 08, 2019Observed: 4.27 ft at 10:00PM Dec 08, 2019Observed: 4.26 ft at 10:30PM Dec 08, 2019Observed: 4.26 ft at 11:00PM Dec 08, 2019Observed: 4.26 ft at 11:30PM Dec 08, 2019Observed: 4.25 ft at 12:00AM Dec 09, 2019Observed: 4.26 ft at 12:30AM Dec 09, 2019Observed: 4.26 ft at 1:00AM Dec 09, 2019Observed: 4.26 ft at 1:30AM Dec 09, 2019Observed: 4.26 ft at 2:00AM Dec 09, 2019Observed: 4.27 ft at 2:30AM Dec 09, 2019Observed: 4.26 ft at 3:00AM Dec 09, 2019Observed: 4.26 ft at 3:30AM Dec 09, 2019Observed: 4.26 ft at 4:00AM Dec 09, 2019Observed: 4.27 ft at 4:30AM Dec 09, 2019Observed: 4.26 ft at 5:00AM Dec 09, 2019Observed: 4.26 ft at 5:30AM Dec 09, 2019Observed: 4.27 ft at 6:00AM Dec 09, 2019Observed: 4.28 ft at 6:30AM Dec 09, 2019Observed: 4.28 ft at 7:00AM Dec 09, 2019Observed: 4.27 ft at 7:30AM Dec 09, 2019Observed: 4.27 ft at 8:00AM Dec 09, 2019Observed: 4.26 ft at 8:30AM Dec 09, 2019Observed: 4.24 ft at 9:00AM Dec 09, 2019Observed: 4.22 ft at 9:30AM Dec 09, 2019Observed: 4.21 ft at 10:00AM Dec 09, 2019Observed: 4.22 ft at 10:30AM Dec 09, 2019Observed: 4.22 ft at 11:00AM Dec 09, 2019Observed: 4.24 ft at 11:30AM Dec 09, 2019Observed: 4.26 ft at 12:00PM Dec 09, 2019Observed: 4.25 ft at 12:30PM Dec 09, 2019Observed: 4.24 ft at 1:00PM Dec 09, 2019Observed: 4.22 ft at 1:30PM Dec 09, 2019Observed: 4.22 ft at 2:00PM Dec 09, 2019Observed: 4.23 ft at 2:30PM Dec 09, 2019Observed: 4.24 ft at 3:00PM Dec 09, 2019Observed: 4.25 ft at 3:30PM Dec 09, 2019Observed: 4.26 ft at 4:00PM Dec 09, 2019Observed: 4.27 ft at 4:30PM Dec 09, 2019Observed: 4.26 ft at 5:00PM Dec 09, 2019Observed: 4.27 ft at 5:30PM Dec 09, 2019Observed: 4.27 ft at 6:00PM Dec 09, 2019Observed: 4.26 ft at 6:30PM Dec 09, 2019Observed: 4.27 ft at 7:00PM Dec 09, 2019Observed: 4.26 ft at 7:30PM Dec 09, 2019Observed: 4.27 ft at 8:00PM Dec 09, 2019Observed: 4.27 ft at 8:30PM Dec 09, 2019Observed: 4.27 ft at 9:00PM Dec 09, 2019Observed: 4.27 ft at 9:30PM Dec 09, 2019Observed: 4.27 ft at 10:00PM Dec 09, 2019Observed: 4.27 ft at 10:30PM Dec 09, 2019Observed: 4.28 ft at 11:00PM Dec 09, 2019Observed: 4.28 ft at 11:30PM Dec 09, 2019Observed: 4.28 ft at 12:00AM Dec 10, 2019Observed: 4.28 ft at 12:30AM Dec 10, 2019Observed: 4.28 ft at 1:00AM Dec 10, 2019Observed: 4.28 ft at 1:30AM Dec 10, 2019Observed: 4.28 ft at 2:00AM Dec 10, 2019Observed: 4.28 ft at 2:30AM Dec 10, 2019Observed: 4.29 ft at 3:00AM Dec 10, 2019Observed: 4.29 ft at 3:30AM Dec 10, 2019Observed: 4.28 ft at 4:00AM Dec 10, 2019Observed: 4.29 ft at 4:30AM Dec 10, 2019Observed: 4.3 ft at 5:00AM Dec 10, 2019Observed: 4.29 ft at 5:30AM Dec 10, 2019Observed: 4.31 ft at 6:00AM Dec 10, 2019Observed: 4.29 ft at 6:30AM Dec 10, 2019Observed: 4.29 ft at 7:00AM Dec 10, 2019Observed: 4.29 ft at 7:30AM Dec 10, 2019Observed: 4.29 ft at 8:00AM Dec 10, 2019Observed: 4.29 ft at 8:30AM Dec 10, 2019Observed: 4.3 ft at 9:00AM Dec 10, 2019Observed: 4.29 ft at 9:30AM Dec 10, 2019Observed: 4.29 ft at 10:00AM Dec 10, 2019Observed: 4.28 ft at 10:30AM Dec 10, 2019Observed: 4.28 ft at 11:00AM Dec 10, 2019Observed: 4.28 ft at 11:30AM Dec 10, 2019Observed: 4.29 ft at 12:00PM Dec 10, 2019Observed: 4.28 ft at 12:30PM Dec 10, 2019Observed: 4.28 ft at 1:00PM Dec 10, 2019Observed: 4.28 ft at 1:30PM Dec 10, 2019Observed: 4.27 ft at 2:00PM Dec 10, 2019Observed: 4.28 ft at 2:30PM Dec 10, 2019Observed: 4.29 ft at 3:00PM Dec 10, 2019Observed: 4.28 ft at 3:30PM Dec 10, 2019Observed: 4.28 ft at 4:00PM Dec 10, 2019Observed: 4.29 ft at 4:30PM Dec 10, 2019Observed: 4.28 ft at 5:00PM Dec 10, 2019Observed: 4.29 ft at 5:30PM Dec 10, 2019Observed: 4.29 ft at 6:00PM Dec 10, 2019Observed: 4.28 ft at 6:30PM Dec 10, 2019Observed: 4.29 ft at 7:00PM Dec 10, 2019Observed: 4.28 ft at 7:30PM Dec 10, 2019Observed: 4.29 ft at 8:00PM Dec 10, 2019Observed: 4.29 ft at 8:30PM Dec 10, 2019Observed: 4.29 ft at 9:00PM Dec 10, 2019Observed: 4.3 ft at 9:30PM Dec 10, 2019Observed: 4.3 ft at 10:00PM Dec 10, 2019Observed: 4.3 ft at 10:30PM Dec 10, 2019Observed: 4.31 ft at 11:00PM Dec 10, 2019Observed: 4.31 ft at 11:30PM Dec 10, 2019Observed: 4.3 ft at 12:00AM Dec 11, 2019Observed: 4.31 ft at 12:30AM Dec 11, 2019Observed: 4.31 ft at 1:00AM Dec 11, 2019Observed: 4.31 ft at 1:30AM Dec 11, 2019Observed: 4.31 ft at 2:00AM Dec 11, 2019Highest Observation: 4.32 ft at 2:30AM Dec 11, 2019Observed: 4.31 ft at 3:00AM Dec 11, 2019Highest Observation: 4.32 ft at 3:30AM Dec 11, 2019Highest Observation: 4.32 ft at 4:00AM Dec 11, 2019Observed: 4.31 ft at 4:30AM Dec 11, 2019Highest Observation: 4.32 ft at 5:00AM Dec 11, 2019Observed: 4.31 ft at 5:30AM Dec 11, 2019Highest Observation: 4.32 ft at 6:00AM Dec 11, 2019Highest Observation: 4.32 ft at 6:30AM Dec 11, 2019Observed: 4.31 ft at 7:00AM Dec 11, 2019Highest Observation: 4.32 ft at 7:30AM Dec 11, 2019Highest Observation: 4.32 ft at 8:00AM Dec 11, 2019Observed: 4.31 ft at 8:30AM Dec 11, 2019Observed: 4.3 ft at 9:00AM Dec 11, 2019Observed: 4.29 ft at 9:30AM Dec 11, 2019Observed: 4.3 ft at 10:00AM Dec 11, 2019Observed: 4.29 ft at 10:30AM Dec 11, 2019Observed: 4.29 ft at 11:00AM Dec 11, 2019Observed: 4.28 ft at 11:30AM Dec 11, 2019Observed: 4.29 ft at 12:00PM Dec 11, 2019Observed: 4.28 ft at 12:30PM Dec 11, 2019Observed: 4.3 ft at 1:00PM Dec 11, 2019Observed: 4.3 ft at 1:30PM Dec 11, 2019Observed: 4.29 ft at 2:00PM Dec 11, 2019Observed: 4.28 ft at 2:30PM Dec 11, 2019Observed: 4.27 ft at 3:00PM Dec 11, 2019Observed: 4.27 ft at 3:30PM Dec 11, 2019Observed: 4.28 ft at 4:00PM Dec 11, 2019Observed: 4.28 ft at 4:30PM Dec 11, 2019Observed: 4.28 ft at 5:00PM Dec 11, 2019Observed: 4.27 ft at 5:30PM Dec 11, 2019Observed: 4.27 ft at 6:00PM Dec 11, 2019Observed: 4.28 ft at 6:30PM Dec 11, 2019Observed: 4.27 ft at 7:00PM Dec 11, 2019Observed: 4.28 ft at 7:30PM Dec 11, 2019Observed: 4.26 ft at 8:00PM Dec 11, 2019Observed: 4.28 ft at 8:30PM Dec 11, 2019Observed: 4.28 ft at 9:00PM Dec 11, 2019Observed: 4.28 ft at 9:30PM Dec 11, 2019Observed: 4.29 ft at 10:00PM Dec 11, 2019Observed: 4.28 ft at 10:30PM Dec 11, 2019Observed: 4.28 ft at 11:00PM Dec 11, 2019Observed: 4.29 ft at 11:30PM Dec 11, 2019Observed: 4.29 ft at 12:00AM Dec 12, 2019Observed: 4.29 ft at 12:30AM Dec 12, 2019Observed: 4.29 ft at 1:00AM Dec 12, 2019Observed: 4.3 ft at 1:30AM Dec 12, 2019Observed: 4.29 ft at 2:00AM Dec 12, 2019Observed: 4.29 ft at 2:30AM Dec 12, 2019Observed: 4.29 ft at 3:00AM Dec 12, 2019Observed: 4.29 ft at 3:30AM Dec 12, 2019Observed: 4.3 ft at 4:00AM Dec 12, 2019Observed: 4.29 ft at 4:30AM Dec 12, 2019Observed: 4.3 ft at 5:00AM Dec 12, 2019Observed: 4.29 ft at 5:30AM Dec 12, 2019Observed: 4.29 ft at 6:00AM Dec 12, 2019Observed: 4.29 ft at 6:30AM Dec 12, 2019Observed: 4.29 ft at 7:00AM Dec 12, 2019Observed: 4.27 ft at 7:30AM Dec 12, 2019Observed: 4.29 ft at 8:00AM Dec 12, 2019Observed: 4.3 ft at 8:30AM Dec 12, 2019Observed: 4.29 ft at 9:00AM Dec 12, 2019Observed: 4.28 ft at 9:30AM Dec 12, 2019Observed: 4.28 ft at 10:00AM Dec 12, 2019Observed: 4.28 ft at 10:30AM Dec 12, 2019Observed: 4.29 ft at 11:00AM Dec 12, 2019Observed: 4.27 ft at 11:30AM Dec 12, 2019Observed: 4.27 ft at 12:00PM Dec 12, 2019Observed: 4.27 ft at 12:30PM Dec 12, 2019Observed: 4.25 ft at 1:00PM Dec 12, 2019Observed: 4.27 ft at 1:30PM Dec 12, 2019Observed: 4.27 ft at 2:00PM Dec 12, 2019Observed: 4.26 ft at 2:30PM Dec 12, 2019Observed: 4.26 ft at 3:00PM Dec 12, 2019Observed: 4.25 ft at 3:30PM Dec 12, 2019Observed: 4.26 ft at 4:00PM Dec 12, 2019Observed: 4.26 ft at 4:30PM Dec 12, 2019Observed: 4.26 ft at 5:00PM Dec 12, 2019Observed: 4.27 ft at 5:30PM Dec 12, 2019Observed: 4.26 ft at 6:00PM Dec 12, 2019Observed: 4.26 ft at 6:30PM Dec 12, 2019Observed: 4.26 ft at 7:00PM Dec 12, 2019Observed: 4.26 ft at 7:30PM Dec 12, 2019Observed: 4.26 ft at 8:00PM Dec 12, 2019Observed: 4.26 ft at 8:30PM Dec 12, 2019Observed: 4.25 ft at 9:00PM Dec 12, 2019Observed: 4.26 ft at 9:30PM Dec 12, 2019Observed: 4.26 ft at 10:00PM Dec 12, 2019Observed: 4.26 ft at 10:30PM Dec 12, 2019Observed: 4.26 ft at 11:00PM Dec 12, 2019Observed: 4.27 ft at 11:30PM Dec 12, 2019Observed: 4.27 ft at 12:00AM Dec 13, 2019Observed: 4.26 ft at 12:30AM Dec 13, 2019Observed: 4.27 ft at 1:00AM Dec 13, 2019Observed: 4.27 ft at 1:30AM Dec 13, 2019Observed: 4.27 ft at 2:00AM Dec 13, 2019Observed: 4.27 ft at 2:30AM Dec 13, 2019Observed: 4.27 ft at 3:00AM Dec 13, 2019Observed: 4.27 ft at 3:30AM Dec 13, 2019Observed: 4.28 ft at 4:00AM Dec 13, 2019Observed: 4.27 ft at 4:30AM Dec 13, 2019Observed: 4.28 ft at 5:00AM Dec 13, 2019Observed: 4.28 ft at 5:30AM Dec 13, 2019Observed: 4.28 ft at 6:00AM Dec 13, 2019Observed: 4.28 ft at 6:30AM Dec 13, 2019Observed: 4.29 ft at 7:00AM Dec 13, 2019Observed: 4.28 ft at 7:30AM Dec 13, 2019Observed: 4.27 ft at 8:00AM Dec 13, 2019Observed: 4.27 ft at 8:30AM Dec 13, 2019Observed: 4.28 ft at 9:00AM Dec 13, 2019Observed: 4.27 ft at 9:30AM Dec 13, 2019Observed: 4.28 ft at 10:00AM Dec 13, 2019Observed: 4.27 ft at 10:30AM Dec 13, 2019Observed: 4.28 ft at 11:00AM Dec 13, 2019Observed: 4.28 ft at 11:30AM Dec 13, 2019Observed: 4.28 ft at 12:00PM Dec 13, 2019Observed: 4.27 ft at 12:30PM Dec 13, 2019Observed: 4.29 ft at 1:00PM Dec 13, 2019Observed: 4.28 ft at 1:30PM Dec 13, 2019Observed: 4.27 ft at 2:00PM Dec 13, 2019Observed: 4.28 ft at 2:30PM Dec 13, 2019Observed: 4.29 ft at 3:00PM Dec 13, 2019Observed: 4.28 ft at 3:30PM Dec 13, 2019Observed: 4.29 ft at 4:00PM Dec 13, 2019Observed: 4.29 ft at 4:30PM Dec 13, 2019Observed: 4.28 ft at 5:00PM Dec 13, 2019Observed: 4.28 ft at 5:30PM Dec 13, 2019Observed: 4.29 ft at 6:00PM Dec 13, 2019Observed: 4.27 ft at 6:30PM Dec 13, 2019Observed: 4.29 ft at 7:00PM Dec 13, 2019Observed: 4.28 ft at 7:30PM Dec 13, 2019Observed: 4.28 ft at 8:00PM Dec 13, 2019Observed: 4.28 ft at 8:30PM Dec 13, 2019USGS--Water Resources of the United StatesTONO2(plotting HGIRG) Graph Created (9:16PM Dec 13, 2019)ObservedLatest observed value: 4.28 ft at 8:30 PM CST 13-Dec-2019. Flood Stage is 17 ft
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About this graph
Tabular Data (UTC)
Tabular Data (CST)
XML Data
RSS Files
Datum: NGVD29
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 Salt Fork Arkansas River at Tonkawa are issued as needed during times of high water, but are not routinely available.

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Upstream Gauge - at Great Salt Plains Lake Upstream Gauge
Flood Categories (in feet)
Major Flood Stage: 25
Moderate Flood Stage: 20
Flood Stage: 17
Action Stage: 14
Low Stage (in feet): -9999

Historic Crests
(1) 28.98 ft on 10/11/1973
(2) 27.64 ft on 08/05/1995
(3) 27.61 ft on 10/03/1986
(4) 26.80 ft on 06/10/1923
(5) 26.29 ft on 11/02/1998
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 21.85 ft on 05/09/2019 (P)
(2) 19.99 ft on 10/10/2018
(3) 14.52 ft on 05/04/2017
(4) 22.21 ft on 10/07/2016
(5) 15.68 ft on 07/07/2015
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:16
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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
30 Flood depths to about 13 feet move from eastern Grant County... across Kay County... to the confluence with the Arkansas River below Ponca City. The water levels be higher than in October 1973... when Interstate Highway I-35 washed away. Electricity to Tonkawa may be affected when the river stage reaches 28 feet. Road closures include... Interstate Highway I-35 in the vicinity of the river... Fountain Road at U.S. Highway 77 south of Tonkawa... and State Highway 156 between Marland and Ponca City.
29 Flood depths to about 12 feet move from eastern Grant County... across Kay County... to the confluence with the Arkansas River below Ponca City. Flood levels will be similar to those in October 1973... when Interstate Highway I-35 washed away. Electricity to Tonkawa may be affected when the river stage reaches 28 feet. Road closures include... Interstate Highway I-35 in the vicinity of the river... Fountain Road at U.S. Highway 77 south of Tonkawa... and State Highway 156 between Marland and Ponca City.
28 Flood depths to about 11 feet move from eastern Grant County... across Kay County... to the confluence with the Arkansas River below Ponca City. these water levels be almost as high as the October 1973 flood which washed out Interstate Highway I-35. Electric power to Tonkawa may be affected by substation flooding. Road closures include... Interstate Highway I-35 in the vicinity of the river... Fountain Road at U.S. Highway 77 south of Tonkawa... and State Highway 156 between Marland and Ponca City.
27 Flood depths ranging up to about 10 feet move from eastern Grant County... across Kay County... to the confluence with the Arkansas River below Ponca City. Private levees may be overtopped... and farmland and oilfields are flooded hours before the crest. Road closures include... Interstate Highway I-35 in the vicinity of the river... Fountain Road at U.S. Highway 77 south of Tonkawa... and State Highway 156 between Marland and Ponca City.
26 Flood depths ranging up to about 9 feet move from eastern Grant County... across Kay County... to the confluence with the Arkansas River below Ponca City. Private levees may be overtopped... and farmland and oilfields are flooded hours before the crest. The southbound lanes of Interstate Highway I-35 may be covered by floodwaters. Road closures include... Fountain Road at U.S. Highway 77 south of Tonkawa... and State Highway 156 between Marland and Ponca City.
25 Flood depths ranging up to about 8 feet move from eastern Grant County... across Kay County... to the confluence with the Arkansas River below Ponca City. Private levees may be overtopped... and farmland and oilfields are flooded hours before the crest. The southbound lanes of Interstate Highway I-35 may be threatened by floodwaters. Road closures include... Fountain Road at U.S. Highway 77 south of Tonkawa... and State Highway 156 between Marland and Ponca City.
24 Flood depths ranging up to about 7 feet move from eastern Grant County... across Kay County... to the confluence with the Arkansas River below Ponca City. Private levees may be overtopped... and farmland and oilfields are flooded hours before the crest. Road closures include... Fountain Road at U.S. Highway 77 south of Tonkawa... and State Highway 156 between Marland and Ponca City.
23 Flood depths ranging up to about 6 feet move from eastern Grant County... across Kay County... to the confluence with the Arkansas River below Ponca City. Farmland and oilfields are flooded hours before the crest. Road closures include... Fountain Road at U.S. Highway 77 south of Tonkawa... and State Highway 156 between Marland and Ponca City.
22 Flood depths ranging up to about 5 feet move from eastern Grant County... across Kay County... to the confluence with the Arkansas River below Ponca City. Farmland and oilfields are flooded hours before the crest. Road closures include... Fountain Road at U.S. Highway 77 south of Tonkawa... and State Highway 156 between Marland and Ponca City.
21 Flood depths ranging up to about 4 feet move from eastern Grant County... across Kay County... to the confluence with the Arkansas River below Ponca City. Farmland and oilfields are flooded hours before the crest. Fountain Road at U.S. Highway 77 south of Tonkawa... and State Highway 156 between Marland and Ponca City are closed.
20 Flood depths ranging up to about 3 feet move from eastern Grant County... across Kay County... to the confluence with the Arkansas River below Ponca City. Farmland and oilfields are flooded hours before the crest. The intersection of Fountain Road and U.S. Highway 77 south of Tonkawa... and State Highway 156 between Marland and Ponca City are closed.
19 Flood depths ranging up to about 2 feet move from eastern Grant County... across Kay County... to the confluence with the Arkansas River below Ponca City. Farmland and oilfields are flooded hours before the crest.
18 Flood overflows are about a foot deep over unleveed agricultural lands... oilfields... and rural roads along the river in eastern Grant County... through Kay County... to the confluence with the Arkansas River below Ponca City.
17 Shallow floodwaters move along the river from eastern Grant County... across Kay County... to the confluence with the Arkansas River below Ponca City. Farmland and oilfields may be flooded.
16 Near bankfull flows move along the river from eastern Grant County...across Kay County... to the confluence with the Arkansas River below Ponca City. Low-lying farmland and oilfields may be flooded hours before the crest reaches Tonkawa.
15 Within bank flows move along the river from eastern Grant County... across Kay County... to the confluence with the Arkansas River below Ponca City. Some low-lying oilfields may be isolated.
About This Location Collapse

Latitude: 36.671900° N, Longitude: 97.309200° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 17 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 29 930.22 ft 947.22 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:

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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
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Norman, OK 73072
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Page last modified: 4-Mar-2019 11:29 PM
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