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Experimental National Water Center Products: The National Hydrologic Discussion, Area Hydrologic Discussion, and Flood Hazard Outlook, and real-time geospatial services depicting River Forecast Center and National Water Model forecasts, continue to be accessible via https://www.weather.gov/owp/operations, as described in the StoryMap here.

Weather Forecast Office Norman, OK

Arkansas Red-Basin River Forecast Center

Hydrograph

River at a Glance

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Probability Information Weekly Chance of Exceeding Levels Chance of Exceeding Levels During Entire Period Short-term Probabilistic Guidance (Experimental)

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Printable Image About this graph Tabular Data (UTC) Tabular Data (CDT) 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 Red River near Terral are issued routinely year-round.

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Upstream Gauge

Downstream Gauge

Flood Categories (in feet) Major Flood Stage: 28 Moderate Flood Stage: 25 Flood Stage: 22 Action Stage: 20 Low Stage (in feet): -9999 Historic Crests (1) 32.65 ft on 05/30/1987 (2) 30.56 ft on 06/07/1995 (3) 28.78 ft on 06/11/1995 (4) 28.12 ft on 06/08/1941 (5) 27.20 ft on 05/19/1935 Show More Historic Crests (P): Preliminary values subject to further review. Recent Crests (1) 20.87 ft on 04/19/2016 (2) 23.25 ft on 06/18/2015 (3) 24.14 ft on 05/27/2015 (4) 23.75 ft on 05/21/2015 (5) 20.70 ft on 05/18/2015 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. Show FEMA's National Flood Hazard Layers FEMA's National Flood Hazard Layers not showing? Why aren't the FEMA National Flood Hazard Layers showing on the ESRI Map? Possible reasons: There are no FEMA National Flood Hazard Layers for the location which you are viewing on ESRI Maps. The FEMA Web Mapping Service (WMS) is down. Note: Your zoom level may have changed. ESRI's zoom levels must be between 14 and 16 to show National Flood Hazard layers.

Zoom Level:16 Legend FEMA Layer Gauge Location 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

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34	Crop and range lands... pecan groves... oil fields and storage tanks... and rural roads are affected. Rural homes are flooded or isolated. Agricultural levees begin to overtop when the stages rise above 23 feet. Areas at the edge of the valley may be isolated by high water in side channels. The crest on the Red River near Charlie Texas occurs several hours before it reaches the Terral Oklahoma area... with the crest occurring in the Illinois bend area near Leon Oklahoma several hours later.
33	Crop and range lands... pecan groves... oil fields and storage tanks... and rural roads are affected. Rural homes are flooded or isolated. Agricultural levees begin to overtop when the stages rise above 23 feet. Areas at the edge of the valley may be isolated by high water in side channels. The crest on the Red River near Charlie Texas occurs several hours before it reaches the Terral Oklahoma area... with the crest occurring in the Illinois bend area near Leon Oklahoma several hours later.
32	Crop and range lands... pecan groves... oil fields and storage tanks... and rural roads are affected. Rural homes are flooded or isolated. Agricultural levees begin to overtop when the stages rise above 23 feet. Areas at the edge of the valley may be isolated by high water in side channels. The crest on the Red River near Charlie Texas occurs several hours before it reaches the Terral Oklahoma area... with the crest occurring in the Illinois bend area near Leon Oklahoma several hours later.
31	Crop and range lands... pecan groves... oil fields and storage tanks... and rural roads are affected. Rural homes are flooded or isolated. Agricultural levees begin to overtop when the stages rise above 23 feet. Areas at the edge of the valley may be isolated by high water in side channels. The crest on the Red River near Charlie Texas occurs several hours before it reaches the Terral Oklahoma area... with the crest occurring in the Illinois bend area near Leon Oklahoma several hours later.
30	Crop and range lands... pecan groves... oil fields and storage tanks... and rural roads are affected. Rural homes are flooded or isolated. Agricultural levees begin to overtop when the stages rise above 23 feet. Areas at the edge of the valley may be isolated by high water in side channels. The crest on the Red River near Charlie Texas occurs several hours before it reaches the Terral Oklahoma area... with the crest occurring in the Illinois bend area near Leon Oklahoma several hours later.
29	Crop and range lands... pecan groves... oil fields and storage tanks... and rural roads are affected. Rural homes are flooded or isolated. Agricultural levees begin to overtop when the stages rise above 23 feet. Areas at the edge of the valley may be isolated by high water in side channels. The crest on the Red River near Charlie Texas occurs several hours before it reaches the Terral Oklahoma area... with the crest occurring in the Illinois bend area near Leon Oklahoma several hours later.
28	Crop and range lands... pecan groves... oil fields and storage tanks... and rural roads are affected. Rural homes are flooded or isolated. Agricultural levees begin to overtop when the stages rise above 23 feet. Areas at the edge of the valley may be isolated by high water in side channels. The crest on the Red River near Charlie Texas occurs several hours before it reaches the Terral Oklahoma area... with the crest occurring in the Illinois bend area near Leon Oklahoma several hours later.
27	Crop and range lands... pecan groves and rural roads are affected. Agricultural levees begin to overtop when the river stages rise above 23 feet. Though not flooded... some areas at the edge of the flood plain may be isolated by high water in side channels. Bottomlands near Charlie Texas begin to flood several hours before the crest reaches Terral Oklahoma... with flooding reaching the Illinois bend area near Leon Oklahoma several hours later.
26	Crop and range lands... pecan groves and rural roads are affected. Agricultural levees begin to overtop when the river stages rise above 23 feet. Though not flooded... some areas at the edge of the flood plain may be isolated by high water in side channels. Bottomlands near Charlie Texas begin to flood several hours before the crest reaches Terral Oklahoma... with flooding reaching the Illinois bend area near Leon Oklahoma several hours later.
25	Crop and range lands... pecan groves and rural roads are affected. Agricultural levees begin to overtop when the river stages rise above 23 feet. Though not flooded... some areas at the edge of the flood plain may be isolated by high water in side channels. Bottomlands near Charlie Texas begin to flood several hours before the crest reaches Terral Oklahoma... with flooding reaching the Illinois bend area near Leon Oklahoma several hours later.
24	Crop and range lands... pecan groves and rural roads are affected. Agricultural levees begin to overtop when the river stages rise above 23 feet. Though not flooded... some areas at the edge of the flood plain may be isolated by high water in side channels. Bottomlands near Charlie Texas begin to flood several hours before the crest reaches Terral Oklahoma... with flooding reaching the Illinois bend area near Leon Oklahoma several hours later.
23	Crop and range lands... pecan groves and rural roads are affected. Agricultural levees begin to overtop when the river stages rise above 23 feet. Though not flooded... some areas at the edge of the flood plain may be isolated by high water in side channels. Bottomlands near Charlie Texas begin to flood several hours before the crest reaches Terral Oklahoma... with flooding reaching the Illinois bend area near Leon Oklahoma several hours later.
22	Crop and range lands... pecan groves and rural roads are affected. Weak points in agricultural levees may be overtopped. Though not flooded... some low-lying areas near the river may be isolated by high water in side channels. Bottomlands near Charlie Texas begin to flood several hours before the crest approaches the Terral Oklahoma area. The flood crest reaches the Illinois bend area near Leon Oklahoma several hours later.
21	Some low-lying areas near the river may be isolated by high water in side channels. Bottomlands near Charlie Texas begin to flood several hours before the crest approaches the Terral Oklahoma area. The river crest reaches the Illinois bend area near Leon Oklahoma several hours later.

About This Location

Latitude: 33.878711° N, Longitude: 97.934480° W, Horizontal Datum: NAD83/WGS84 River Stage Reference Frame Gauge Height Flood Stage Uses NWS stage 0 ft 22 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 29 770.31 792.31 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: Corps of Engineers (COE) Info for Terral U.S. Geological Survey (USGS) Data and Site Info for Terral

Resources

Hydrologic Resources Text Products Past Precipitation Forecast Precipitation River Forecast Centers River Stage Summary Inundation Mapping Locations RFC Past Precipitation Map

Additional Resources Area Hydrographs NWS Precipitation and River Forecasting AHPS Iframes for Developers Mobile iNWS for emergency management Oklahoma Reservoir Conditions Texas Reservoir Conditions USACE Tulsa Reservoir Conditions Snow Information CoCoRaHS Precipitation Data Oklahoma Mesonet Precipitation Data West Texas Mesonet Current Conditions Data

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