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Hydrograph River at a Glance Download
Chikaskia River near Blackwell Stage (ft)Flow (kcfs)Observed: 3.29 ft at 4:30PM Jun 25, 2015Observed: 3.28 ft at 5:00PM Jun 25, 2015Observed: 3.29 ft at 5:30PM Jun 25, 2015Observed: 3.28 ft at 6:00PM Jun 25, 2015Observed: 3.28 ft at 6:30PM Jun 25, 2015Observed: 3.28 ft at 7:00PM Jun 25, 2015Observed: 3.28 ft at 7:30PM Jun 25, 2015Observed: 3.27 ft at 8:00PM Jun 25, 2015Observed: 3.25 ft at 8:30PM Jun 25, 2015Observed: 3.24 ft at 9:00PM Jun 25, 2015Observed: 3.23 ft at 9:30PM Jun 25, 2015Observed: 3.25 ft at 10:00PM Jun 25, 2015Observed: 3.25 ft at 10:30PM Jun 25, 2015Observed: 3.25 ft at 11:00PM Jun 25, 2015Observed: 3.25 ft at 11:30PM Jun 25, 2015Observed: 3.25 ft at 12:00AM Jun 26, 2015Observed: 3.25 ft at 12:30AM Jun 26, 2015Observed: 3.25 ft at 1:00AM Jun 26, 2015Observed: 3.25 ft at 1:30AM Jun 26, 2015Observed: 3.25 ft at 2:00AM Jun 26, 2015Observed: 3.24 ft at 2:30AM Jun 26, 2015Observed: 3.23 ft at 3:00AM Jun 26, 2015Observed: 3.24 ft at 3:30AM Jun 26, 2015Observed: 3.24 ft at 4:00AM Jun 26, 2015Observed: 3.23 ft at 4:30AM Jun 26, 2015Observed: 3.23 ft at 5:00AM Jun 26, 2015Observed: 3.23 ft at 5:30AM Jun 26, 2015Observed: 3.23 ft at 6:00AM Jun 26, 2015Observed: 3.22 ft at 6:30AM Jun 26, 2015Observed: 3.22 ft at 7:00AM Jun 26, 2015Observed: 3.24 ft at 7:30AM Jun 26, 2015Observed: 3.26 ft at 8:00AM Jun 26, 2015Observed: 3.28 ft at 8:30AM Jun 26, 2015Highest Observation: 3.33 ft at 9:00AM Jun 26, 2015Observed: 3.32 ft at 9:30AM Jun 26, 2015Highest Observation: 3.33 ft at 10:00AM Jun 26, 2015Observed: 3.31 ft at 10:30AM Jun 26, 2015Observed: 3.26 ft at 11:00AM Jun 26, 2015Observed: 3.27 ft at 11:30AM Jun 26, 2015Observed: 3.28 ft at 12:00PM Jun 26, 2015Observed: 3.28 ft at 12:30PM Jun 26, 2015Observed: 3.26 ft at 1:00PM Jun 26, 2015Observed: 3.28 ft at 1:30PM Jun 26, 2015Observed: 3.27 ft at 2:00PM Jun 26, 2015Observed: 3.26 ft at 2:30PM Jun 26, 2015Observed: 3.26 ft at 3:00PM Jun 26, 2015Observed: 3.25 ft at 3:30PM Jun 26, 2015Observed: 3.25 ft at 4:00PM Jun 26, 2015Observed: 3.23 ft at 4:30PM Jun 26, 2015Observed: 3.21 ft at 5:00PM Jun 26, 2015Observed: 3.19 ft at 5:30PM Jun 26, 2015Observed: 3.21 ft at 6:00PM Jun 26, 2015Observed: 3.21 ft at 6:30PM Jun 26, 2015Observed: 3.2 ft at 7:00PM Jun 26, 2015Observed: 3.2 ft at 7:30PM Jun 26, 2015Observed: 3.18 ft at 8:00PM Jun 26, 2015Observed: 3.14 ft at 8:30PM Jun 26, 2015Observed: 3.14 ft at 9:00PM Jun 26, 2015Observed: 3.14 ft at 9:30PM Jun 26, 2015Observed: 3.16 ft at 10:00PM Jun 26, 2015Observed: 3.16 ft at 10:30PM Jun 26, 2015Observed: 3.17 ft at 11:00PM Jun 26, 2015Observed: 3.16 ft at 11:30PM Jun 26, 2015Observed: 3.18 ft at 12:00AM Jun 27, 2015Observed: 3.18 ft at 12:30AM Jun 27, 2015Observed: 3.19 ft at 1:00AM Jun 27, 2015Observed: 3.2 ft at 1:30AM Jun 27, 2015Observed: 3.19 ft at 2:00AM Jun 27, 2015Observed: 3.2 ft at 2:30AM Jun 27, 2015Observed: 3.2 ft at 3:00AM Jun 27, 2015Observed: 3.19 ft at 3:30AM Jun 27, 2015Observed: 3.21 ft at 4:00AM Jun 27, 2015Observed: 3.2 ft at 4:30AM Jun 27, 2015Observed: 3.2 ft at 5:00AM Jun 27, 2015Observed: 3.19 ft at 5:30AM Jun 27, 2015Observed: 3.18 ft at 6:00AM Jun 27, 2015Observed: 3.19 ft at 6:30AM Jun 27, 2015Observed: 3.2 ft at 7:00AM Jun 27, 2015Observed: 3.22 ft at 7:30AM Jun 27, 2015Observed: 3.23 ft at 8:00AM Jun 27, 2015Observed: 3.26 ft at 8:30AM Jun 27, 2015Observed: 3.26 ft at 9:00AM Jun 27, 2015Observed: 3.24 ft at 9:30AM Jun 27, 2015Observed: 3.24 ft at 10:00AM Jun 27, 2015Observed: 3.22 ft at 10:30AM Jun 27, 2015Observed: 3.21 ft at 11:00AM Jun 27, 2015Observed: 3.2 ft at 11:30AM Jun 27, 2015Observed: 3.21 ft at 12:00PM Jun 27, 2015Observed: 3.2 ft at 12:30PM Jun 27, 2015Observed: 3.2 ft at 1:00PM Jun 27, 2015Observed: 3.2 ft at 1:30PM Jun 27, 2015Observed: 3.2 ft at 2:00PM Jun 27, 2015Observed: 3.21 ft at 2:30PM Jun 27, 2015Observed: 3.19 ft at 3:00PM Jun 27, 2015Observed: 3.18 ft at 3:30PM Jun 27, 2015Observed: 3.16 ft at 4:00PM Jun 27, 2015Observed: 3.15 ft at 4:30PM Jun 27, 2015Observed: 3.15 ft at 5:00PM Jun 27, 2015Observed: 3.15 ft at 5:30PM Jun 27, 2015Observed: 3.14 ft at 6:00PM Jun 27, 2015Observed: 3.12 ft at 6:30PM Jun 27, 2015Observed: 3.12 ft at 7:00PM Jun 27, 2015Observed: 3.08 ft at 7:30PM Jun 27, 2015Observed: 3.08 ft at 8:00PM Jun 27, 2015Observed: 3.07 ft at 8:30PM Jun 27, 2015Observed: 3.06 ft at 9:00PM Jun 27, 2015Observed: 3.07 ft at 9:30PM Jun 27, 2015Observed: 3.08 ft at 10:00PM Jun 27, 2015Observed: 3.1 ft at 10:30PM Jun 27, 2015Observed: 3.1 ft at 11:00PM Jun 27, 2015Observed: 3.1 ft at 11:30PM Jun 27, 2015Observed: 3.11 ft at 12:00AM Jun 28, 2015Observed: 3.13 ft at 12:30AM Jun 28, 2015Observed: 3.12 ft at 1:00AM Jun 28, 2015Observed: 3.11 ft at 1:30AM Jun 28, 2015Observed: 3.12 ft at 2:00AM Jun 28, 2015Observed: 3.13 ft at 2:30AM Jun 28, 2015Observed: 3.13 ft at 3:00AM Jun 28, 2015Observed: 3.12 ft at 3:30AM Jun 28, 2015Observed: 3.13 ft at 4:00AM Jun 28, 2015Observed: 3.13 ft at 4:30AM Jun 28, 2015Observed: 3.13 ft at 5:00AM Jun 28, 2015Observed: 3.13 ft at 5:30AM Jun 28, 2015Observed: 3.12 ft at 6:00AM Jun 28, 2015Observed: 3.12 ft at 6:30AM Jun 28, 2015Observed: 3.13 ft at 7:00AM Jun 28, 2015Observed: 3.16 ft at 7:30AM Jun 28, 2015Observed: 3.19 ft at 8:00AM Jun 28, 2015Observed: 3.21 ft at 8:30AM Jun 28, 2015Observed: 3.22 ft at 9:00AM Jun 28, 2015Observed: 3.2 ft at 9:30AM Jun 28, 2015Observed: 3.19 ft at 10:00AM Jun 28, 2015Observed: 3.18 ft at 10:30AM Jun 28, 2015Observed: 3.19 ft at 11:00AM Jun 28, 2015Observed: 3.17 ft at 11:30AM Jun 28, 2015Observed: 3.19 ft at 12:00PM Jun 28, 2015Observed: 3.18 ft at 12:30PM Jun 28, 2015Observed: 3.19 ft at 1:00PM Jun 28, 2015Observed: 3.2 ft at 1:30PM Jun 28, 2015Observed: 3.2 ft at 2:00PM Jun 28, 2015Observed: 3.18 ft at 2:30PM Jun 28, 2015Observed: 3.18 ft at 3:00PM Jun 28, 2015Observed: 3.17 ft at 3:30PM Jun 28, 2015Observed: 3.16 ft at 4:00PM Jun 28, 2015Observed: 3.14 ft at 4:30PM Jun 28, 2015Observed: 3.13 ft at 5:00PM Jun 28, 2015Observed: 3.13 ft at 5:30PM Jun 28, 2015Observed: 3.13 ft at 6:00PM Jun 28, 2015Observed: 3.12 ft at 6:30PM Jun 28, 2015Observed: 3.14 ft at 7:00PM Jun 28, 2015Observed: 3.12 ft at 7:30PM Jun 28, 2015Observed: 3.09 ft at 8:00PM Jun 28, 2015Observed: 3.08 ft at 8:30PM Jun 28, 2015Observed: 3.07 ft at 9:00PM Jun 28, 2015Observed: 3.07 ft at 9:30PM Jun 28, 2015Observed: 3.09 ft at 10:00PM Jun 28, 2015Observed: 3.11 ft at 10:30PM Jun 28, 2015Observed: 3.11 ft at 11:00PM Jun 28, 2015Observed: 3.13 ft at 11:30PM Jun 28, 2015Observed: 3.14 ft at 12:00AM Jun 29, 2015Observed: 3.14 ft at 12:30AM Jun 29, 2015Observed: 3.13 ft at 1:00AM Jun 29, 2015Observed: 3.14 ft at 1:30AM Jun 29, 2015Observed: 3.14 ft at 2:00AM Jun 29, 2015Observed: 3.13 ft at 2:30AM Jun 29, 2015Observed: 3.14 ft at 3:00AM Jun 29, 2015Observed: 3.13 ft at 3:30AM Jun 29, 2015Observed: 3.14 ft at 4:00AM Jun 29, 2015Observed: 3.13 ft at 4:30AM Jun 29, 2015Observed: 3.14 ft at 5:00AM Jun 29, 2015Observed: 3.14 ft at 5:30AM Jun 29, 2015Observed: 3.14 ft at 6:00AM Jun 29, 2015Observed: 3.15 ft at 6:30AM Jun 29, 2015Observed: 3.16 ft at 7:00AM Jun 29, 2015Observed: 3.19 ft at 7:30AM Jun 29, 2015Observed: 3.22 ft at 8:00AM Jun 29, 2015Observed: 3.22 ft at 8:30AM Jun 29, 2015Observed: 3.22 ft at 9:00AM Jun 29, 2015Observed: 3.2 ft at 9:30AM Jun 29, 2015Observed: 3.17 ft at 10:00AM Jun 29, 2015Observed: 3.17 ft at 10:30AM Jun 29, 2015Observed: 3.18 ft at 11:00AM Jun 29, 2015Observed: 3.17 ft at 11:30AM Jun 29, 2015Observed: 3.17 ft at 12:00PM Jun 29, 2015Observed: 3.16 ft at 12:30PM Jun 29, 2015Observed: 3.16 ft at 1:00PM Jun 29, 2015Observed: 3.16 ft at 1:30PM Jun 29, 2015Observed: 3.16 ft at 2:00PM Jun 29, 2015Observed: 3.16 ft at 2:30PM Jun 29, 2015Observed: 3.16 ft at 3:00PM Jun 29, 2015Observed: 3.15 ft at 3:30PM Jun 29, 2015Observed: 3.13 ft at 4:00PM Jun 29, 2015Observed: 3.11 ft at 4:30PM Jun 29, 2015Observed: 3.09 ft at 5:00PM Jun 29, 2015Observed: 3.09 ft at 5:30PM Jun 29, 2015Observed: 3.09 ft at 6:00PM Jun 29, 2015Observed: 3.1 ft at 6:30PM Jun 29, 2015Observed: 3.1 ft at 7:00PM Jun 29, 2015Observed: 3.09 ft at 7:30PM Jun 29, 2015Observed: 3.07 ft at 8:00PM Jun 29, 2015Observed: 3.05 ft at 8:30PM Jun 29, 2015Observed: 3.03 ft at 9:00PM Jun 29, 2015Observed: 3.03 ft at 9:30PM Jun 29, 2015Observed: 3.07 ft at 10:00PM Jun 29, 2015Observed: 3.05 ft at 10:30PM Jun 29, 2015Observed: 3.06 ft at 11:00PM Jun 29, 2015Observed: 3.06 ft at 11:30PM Jun 29, 2015Observed: 3.07 ft at 12:00AM Jun 30, 2015Observed: 3.08 ft at 12:30AM Jun 30, 2015Observed: 3.08 ft at 1:00AM Jun 30, 2015Observed: 3.07 ft at 1:30AM Jun 30, 2015Observed: 3.09 ft at 2:00AM Jun 30, 2015Observed: 3.08 ft at 2:30AM Jun 30, 2015Observed: 3.08 ft at 3:00AM Jun 30, 2015Observed: 3.09 ft at 3:30AM Jun 30, 2015Observed: 3.08 ft at 4:00AM Jun 30, 2015Observed: 3.09 ft at 4:30AM Jun 30, 2015Observed: 3.08 ft at 5:00AM Jun 30, 2015Observed: 3.07 ft at 5:30AM Jun 30, 2015Observed: 3.06 ft at 6:00AM Jun 30, 2015Observed: 3.07 ft at 6:30AM Jun 30, 2015Observed: 3.07 ft at 7:00AM Jun 30, 2015Observed: 3.11 ft at 7:30AM Jun 30, 2015Observed: 3.14 ft at 8:00AM Jun 30, 2015Observed: 3.13 ft at 8:30AM Jun 30, 2015Observed: 3.14 ft at 9:00AM Jun 30, 2015Observed: 3.13 ft at 9:30AM Jun 30, 2015Observed: 3.12 ft at 10:00AM Jun 30, 2015Observed: 3.1 ft at 10:30AM Jun 30, 2015Observed: 3.12 ft at 11:00AM Jun 30, 2015Observed: 3.13 ft at 11:30AM Jun 30, 2015Observed: 3.11 ft at 12:00PM Jun 30, 2015Observed: 3.1 ft at 12:30PM Jun 30, 2015Observed: 3.1 ft at 1:00PM Jun 30, 2015Observed: 3.1 ft at 1:30PM Jun 30, 2015Observed: 3.09 ft at 2:00PM Jun 30, 2015Observed: 3.1 ft at 2:30PM Jun 30, 2015Observed: 3.09 ft at 3:00PM Jun 30, 2015Observed: 3.08 ft at 3:30PM Jun 30, 2015Highest Forecast: 3.1 ft 7:00PM Jun 30, 2015Highest Forecast: 3.1 ft 1:00AM Jul 01, 2015Forecast: 2.9 ft 7:00AM Jul 01, 2015Forecast: 2.9 ft 1:00PM Jul 01, 2015Forecast: 2.8 ft 7:00PM Jul 01, 2015Forecast: 2.8 ft 1:00AM Jul 02, 2015Forecast: 2.8 ft 7:00AM Jul 02, 2015Forecast: 2.8 ft 1:00PM Jul 02, 2015Forecast: 2.8 ft 7:00PM Jul 02, 2015Forecast: 2.8 ft 1:00AM Jul 03, 2015Forecast: 2.8 ft 7:00AM Jul 03, 2015Forecast: 2.8 ft 1:00PM Jul 03, 2015Forecast: 2.8 ft 7:00PM Jul 03, 2015Forecast: 2.8 ft 1:00AM Jul 04, 2015Forecast: 2.8 ft 7:00AM Jul 04, 2015Forecast: 2.8 ft 1:00PM Jul 04, 2015Forecast: 2.8 ft 7:00PM Jul 04, 2015Forecast: 2.8 ft 1:00AM Jul 05, 2015Forecast: 2.8 ft 7:00AM Jul 05, 2015USGS--Water Resources of the United StatesBLKO2(plotting HGIRG) Graph Created (4:15PM Jun 30, 2015)ObservedForecast (issued 7:46AM Jun 30)Latest observed value: 3.08 ft at 3:30 PM CDT 30-Jun-2015. Flood Stage is 29 ft
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About this graph
Tabular Data (UTC)
Tabular Data (CDT)
XML Data
RSS Files
Datum: Not Available
Metadata
NOTE: Forecasts for the Chikaskia River near Blackwell are issued routinely year-round.
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Upstream Gauge - near Corbin Upstream Gauge
Flood Categories (in feet)
Major Flood Stage: 32
Moderate Flood Stage: 30
Flood Stage: 29
Action Stage: 26
Low Stage (in feet): 0

Historic Crests
(1) 35.36 ft on 09/14/2008
(2) 34.40 ft on 11/01/1998
(3) 34.31 ft on 05/10/1993
(4) 34.28 ft on 10/03/1986
(5) 33.85 ft on 10/11/1973
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 33.53 ft on 06/15/2010 (P)
(2) 30.13 ft on 05/26/2010 (P)
(3) 33.05 ft on 04/28/2009
(4) 35.36 ft on 09/14/2008
(5) 27.34 ft on 06/06/2008
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
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
35 Floodwaters cover much of the northeast portions of Blackwell. Residences and businesses suffer significant damages. Street flooding reaches very dangerous depths and speeds. Highways 177 north and 60 east of Blackwell are closed. Blackwell Avenue east of Blackwell... and Hubbard Road southeast of Blackwell are impassable. Rural lands are covered by floodwaters ranging up to 7 feet in depth in extreme northeastern Grant and Kay counties.
34 Floodwaters cover much of the northeast portions of Blackwell. Residences and businesses suffer significant damages. Street flooding reaches very dangerous depths and speeds. Highways 177 north and 60 east of Blackwell will likely be closed. Blackwell Avenue east and Hubbard Road southeast of Blackwell are impassable. Rural lands are covered by floodwaters ranging up to 6 feet in depth in extreme northeastern Grant and Kay counties.
33 Floodwaters cover several city blocks in northeast Blackwell. Some residences may suffer minor flooding and some will be isolated by depths up to 4 feet in streets. Highway 177 north of Blackwell... and Hubbard Road southeast of Blackwell are closed. Blackwell Avenue is overtopped at the bridge crossing. Rural lands are inundated by floodwaters ranging up to 5 feet in depth in extreme northeastern Grant and Kay counties.
32 Several city blocks in northeast Blackwell are affected. Some residences will be surrounded by depths approaching 3 feet in streets. Highway 177 north of Blackwell... and Hubbard Road southeast of Blackwell are closed. Blackwell Avenue is overtopped at the bridge crossing. Rural lands are covered by floodwaters ranging up to 4 feet in depth in extreme northeastern Grant and Kay counties.
31 Several city blocks in the northeast portions of Blackwell may be affected. Streets closest to the river may be nearly impassable... with depths approaching 2 feet. Highway 177 north of Blackwell is overtopped... and Hubbard Road southeast of Blackwell is closed. Rural lands are covered by floodwaters ranging up to 3 feet in depth in extreme northeastern Grant and Kay counties.
30 Several residences may be surrounded with street depths approaching 2 feet in the northeast portions of Blackwell. Highway 177 north of Blackwell may be flooded... while Hubbard Road may be impassable southeast of Blackwell. Rural lands are covered by floodwaters ranging up to 2 feet in depth in extreme northeastern Grant and Kay counties.
29 Low-lying streets in the northeast portions of Blackwell may flood enough to isolate some small areas near the river. Rural areas and local roads in extreme northeastern Grant and Kay counties are under shallow water depths for a few hours. Southeast of Blackwell... Hubbard Road will be briefly covered by shallow depths of water near the river.
28 Low-lying streets may experience nuisance flooding in the northeastern portions of Blackwell. Farmlands and local roads in extreme northeastern Grant and Kay counties may be under shallow water depths for a few hours. Southeast of blackwell... Hubbard Road may be briefly covered by shallow depths of water near the river.
27 Shallow... short duration overflows occur on low-lying bottomlands along and low water crossings over the Chikaskia River in extreme northeastern Grant and Kay counties.
26 Shallow... short duration overflows occur on low-lying bottomlands along and low water crossings over the Chikaskia River in extreme northeastern Grant and Kay counties.
25 Shallow... short duration overflows occur on low-lying bottomlands along and low water crossings over the Chikaskia River in extreme northeastern Grant and Kay counties.
Photos
(1) Upstream view
(2) Downstream view
About This Location Collapse

Latitude: 36.808611° N, Longitude: 97.277500° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 29 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 29 967.41 ft 996.41 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
National Weather Service
Norman Weather Forecast Office
National Weather Center
120 David L. Boren Blvd.
Suite 2400
Norman, OK 73072
(405) 325-3816
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Page last modified: 12-Feb-2015 9:35 PM
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