Skip Navigation Link weather.gov  
NOAA logo - Click to go to the NOAA homepage National Weather Service NWS logo - Click to go to the NWS homepage
Advanced Hydrologic Prediction Service
Image background of Navigation bar Left
Bookmark and Share Navigation Bar End Cap

  
 
Hydrograph River at a Glance Download
Tanana River at Big Delta Stage (ft)Observed: 14.91 ft at 4:55PM May 19, 2020Observed: 14.93 ft at 5:55PM May 19, 2020Observed: 14.89 ft at 6:55PM May 19, 2020Observed: 14.91 ft at 7:55PM May 19, 2020Observed: 14.96 ft at 8:55PM May 19, 2020Observed: 14.9 ft at 9:55PM May 19, 2020Observed: 14.87 ft at 10:55PM May 19, 2020Observed: 14.9 ft at 11:55PM May 19, 2020Observed: 14.89 ft at 12:55AM May 20, 2020Observed: 14.85 ft at 1:55AM May 20, 2020Observed: 14.87 ft at 3:55AM May 20, 2020Observed: 14.87 ft at 4:55AM May 20, 2020Observed: 14.81 ft at 9:55AM May 20, 2020Observed: 14.83 ft at 10:55AM May 20, 2020Observed: 14.83 ft at 11:55AM May 20, 2020Observed: 14.84 ft at 12:55PM May 20, 2020Observed: 14.84 ft at 1:55PM May 20, 2020Observed: 14.79 ft at 2:55PM May 20, 2020Observed: 14.86 ft at 3:55PM May 20, 2020Observed: 14.83 ft at 4:55PM May 20, 2020Observed: 14.84 ft at 5:55PM May 20, 2020Observed: 14.9 ft at 6:55PM May 20, 2020Observed: 14.86 ft at 7:55PM May 20, 2020Observed: 14.9 ft at 8:55PM May 20, 2020Observed: 14.84 ft at 9:55PM May 20, 2020Observed: 14.79 ft at 10:55PM May 20, 2020Observed: 14.84 ft at 11:55PM May 20, 2020Observed: 14.8 ft at 12:55AM May 21, 2020Observed: 14.83 ft at 1:55AM May 21, 2020Observed: 14.79 ft at 2:55AM May 21, 2020Observed: 14.82 ft at 3:55AM May 21, 2020Observed: 14.71 ft at 7:55AM May 21, 2020Observed: 14.78 ft at 8:55AM May 21, 2020Observed: 14.88 ft at 9:55AM May 21, 2020Observed: 14.97 ft at 10:55AM May 21, 2020Observed: 15 ft at 11:55AM May 21, 2020Observed: 15.02 ft at 12:55PM May 21, 2020Observed: 15.06 ft at 1:55PM May 21, 2020Observed: 15.13 ft at 2:55PM May 21, 2020Observed: 15.17 ft at 3:55PM May 21, 2020Observed: 15.1 ft at 4:55PM May 21, 2020Observed: 15.2 ft at 5:55PM May 21, 2020Observed: 15.21 ft at 6:55PM May 21, 2020Observed: 15.22 ft at 7:55PM May 21, 2020Observed: 15.2 ft at 8:55PM May 21, 2020Observed: 15.2 ft at 9:55PM May 21, 2020Observed: 15.16 ft at 10:55PM May 21, 2020Observed: 15.18 ft at 11:55PM May 21, 2020Observed: 15.21 ft at 12:55AM May 22, 2020Observed: 15.18 ft at 1:55AM May 22, 2020Observed: 15.12 ft at 2:55AM May 22, 2020Observed: 15.13 ft at 3:55AM May 22, 2020Observed: 15.06 ft at 4:55AM May 22, 2020Observed: 15.03 ft at 5:55AM May 22, 2020Observed: 15.01 ft at 6:55AM May 22, 2020Observed: 15.07 ft at 7:55AM May 22, 2020Observed: 15.09 ft at 8:55AM May 22, 2020Observed: 15.17 ft at 9:55AM May 22, 2020Observed: 15.17 ft at 10:55AM May 22, 2020Observed: 15.17 ft at 11:55AM May 22, 2020Observed: 15.21 ft at 12:55PM May 22, 2020Observed: 15.21 ft at 1:55PM May 22, 2020Observed: 15.24 ft at 2:55PM May 22, 2020Observed: 15.22 ft at 3:55PM May 22, 2020Observed: 15.22 ft at 4:55PM May 22, 2020Observed: 15.18 ft at 5:55PM May 22, 2020Observed: 15.23 ft at 6:55PM May 22, 2020Observed: 15.25 ft at 7:55PM May 22, 2020Observed: 15.24 ft at 8:55PM May 22, 2020Observed: 15.22 ft at 9:55PM May 22, 2020Observed: 15.2 ft at 10:55PM May 22, 2020Observed: 15.16 ft at 11:55PM May 22, 2020Observed: 15.06 ft at 12:55AM May 23, 2020Observed: 15.05 ft at 1:55AM May 23, 2020Observed: 15.08 ft at 2:55AM May 23, 2020Observed: 15.06 ft at 3:55AM May 23, 2020Observed: 14.71 ft at 4:55AM May 23, 2020Observed: 14.72 ft at 5:55AM May 23, 2020Observed: 14.71 ft at 6:55AM May 23, 2020Observed: 14.78 ft at 7:55AM May 23, 2020Observed: 14.91 ft at 8:55AM May 23, 2020Observed: 15.06 ft at 9:55AM May 23, 2020Observed: 15.14 ft at 10:55AM May 23, 2020Observed: 15.11 ft at 11:55AM May 23, 2020Observed: 15.14 ft at 12:55PM May 23, 2020Observed: 15.15 ft at 1:55PM May 23, 2020Observed: 15.12 ft at 2:55PM May 23, 2020Observed: 15.21 ft at 3:55PM May 23, 2020Observed: 15.19 ft at 4:55PM May 23, 2020Observed: 15.17 ft at 5:55PM May 23, 2020Observed: 15.23 ft at 6:55PM May 23, 2020Observed: 15.31 ft at 7:55PM May 23, 2020Observed: 15.41 ft at 8:55PM May 23, 2020Observed: 15.49 ft at 9:55PM May 23, 2020Observed: 15.61 ft at 10:55PM May 23, 2020Observed: 15.61 ft at 11:55PM May 23, 2020Observed: 15.54 ft at 12:55AM May 24, 2020Observed: 15.56 ft at 1:55AM May 24, 2020Observed: 15.52 ft at 2:55AM May 24, 2020Observed: 15.55 ft at 3:55AM May 24, 2020Observed: 15.56 ft at 4:55AM May 24, 2020Observed: 15.7 ft at 5:55AM May 24, 2020Observed: 15.82 ft at 6:55AM May 24, 2020Observed: 15.79 ft at 7:55AM May 24, 2020Observed: 15.68 ft at 8:55AM May 24, 2020Observed: 15.67 ft at 9:55AM May 24, 2020Observed: 15.74 ft at 10:55AM May 24, 2020Observed: 15.77 ft at 11:55AM May 24, 2020Observed: 15.88 ft at 12:55PM May 24, 2020Observed: 15.83 ft at 1:55PM May 24, 2020Observed: 15.7 ft at 2:55PM May 24, 2020Observed: 15.57 ft at 3:55PM May 24, 2020Observed: 15.59 ft at 4:55PM May 24, 2020Observed: 15.72 ft at 5:55PM May 24, 2020Observed: 15.86 ft at 6:55PM May 24, 2020Observed: 15.94 ft at 7:55PM May 24, 2020Observed: 15.96 ft at 8:55PM May 24, 2020Observed: 15.97 ft at 9:55PM May 24, 2020Observed: 15.86 ft at 10:55PM May 24, 2020Observed: 15.83 ft at 11:55PM May 24, 2020Observed: 15.75 ft at 12:55AM May 25, 2020Observed: 15.75 ft at 1:55AM May 25, 2020Observed: 15.8 ft at 2:55AM May 25, 2020Observed: 15.8 ft at 3:55AM May 25, 2020Observed: 15.89 ft at 4:55AM May 25, 2020Observed: 15.98 ft at 5:55AM May 25, 2020Observed: 16.02 ft at 6:55AM May 25, 2020Observed: 16.05 ft at 7:55AM May 25, 2020Observed: 16.1 ft at 8:55AM May 25, 2020Observed: 16.1 ft at 9:55AM May 25, 2020Observed: 16.23 ft at 10:55AM May 25, 2020Observed: 16.35 ft at 11:55AM May 25, 2020Observed: 16.44 ft at 12:55PM May 25, 2020Observed: 16.59 ft at 1:55PM May 25, 2020Observed: 16.62 ft at 2:55PM May 25, 2020Observed: 16.63 ft at 3:55PM May 25, 2020Observed: 16.54 ft at 4:55PM May 25, 2020Observed: 16.44 ft at 5:55PM May 25, 2020Observed: 16.42 ft at 6:55PM May 25, 2020Observed: 16.41 ft at 7:55PM May 25, 2020Observed: 16.45 ft at 8:55PM May 25, 2020Observed: 16.49 ft at 9:55PM May 25, 2020Observed: 16.52 ft at 10:55PM May 25, 2020Observed: 16.55 ft at 11:55PM May 25, 2020Observed: 16.64 ft at 12:55AM May 26, 2020Observed: 16.67 ft at 1:55AM May 26, 2020Observed: 16.67 ft at 2:55AM May 26, 2020Highest Observation: 16.69 ft at 3:55AM May 26, 2020Observed: 16.64 ft at 4:55AM May 26, 2020Observed: 16.59 ft at 5:55AM May 26, 2020Observed: 16.44 ft at 6:55AM May 26, 2020Observed: 16.66 ft at 7:55AM May 26, 2020Observed: 16.65 ft at 8:55AM May 26, 2020Observed: 16.55 ft at 9:55AM May 26, 2020Observed: 16.59 ft at 10:55AM May 26, 2020Observed: 16.63 ft at 11:55AM May 26, 2020Observed: 16.59 ft at 12:55PM May 26, 2020Observed: 16.59 ft at 1:55PM May 26, 2020Observed: 16.57 ft at 2:55PM May 26, 2020Observed: 16.59 ft at 3:55PM May 26, 2020Observed: 16.58 ft at 4:55PM May 26, 2020Observed: 16.54 ft at 5:55PM May 26, 2020Observed: 16.58 ft at 6:55PM May 26, 2020Observed: 16.5 ft at 7:55PM May 26, 2020Observed: 16.52 ft at 8:55PM May 26, 2020Observed: 16.43 ft at 9:55PM May 26, 2020Observed: 16.49 ft at 10:55PM May 26, 2020Observed: 16.4 ft at 11:55PM May 26, 2020Observed: 16.39 ft at 12:55AM May 27, 2020Observed: 16.4 ft at 1:55AM May 27, 2020Observed: 16.36 ft at 2:55AM May 27, 2020Observed: 16.31 ft at 3:55AM May 27, 2020Observed: 16.28 ft at 4:55AM May 27, 2020Observed: 16.26 ft at 5:55AM May 27, 2020Observed: 16.27 ft at 6:55AM May 27, 2020Observed: 16.27 ft at 7:55AM May 27, 2020Observed: 16.15 ft at 8:55AM May 27, 2020Observed: 16.05 ft at 9:55AM May 27, 2020Observed: 16.06 ft at 10:55AM May 27, 2020Observed: 16.13 ft at 11:55AM May 27, 2020Observed: 16.11 ft at 12:55PM May 27, 2020Observed: 16.02 ft at 1:55PM May 27, 2020Observed: 16.06 ft at 2:55PM May 27, 2020Observed: 16.02 ft at 3:55PM May 27, 2020Observed: 16.06 ft at 4:55PM May 27, 2020Observed: 16.01 ft at 5:55PM May 27, 2020Observed: 16.09 ft at 6:55PM May 27, 2020Observed: 16.02 ft at 7:55PM May 27, 2020Observed: 15.98 ft at 8:55PM May 27, 2020Observed: 15.94 ft at 9:55PM May 27, 2020Observed: 15.87 ft at 10:55PM May 27, 2020Observed: 15.91 ft at 11:55PM May 27, 2020Observed: 15.91 ft at 12:55AM May 28, 2020Observed: 15.92 ft at 1:55AM May 28, 2020Observed: 15.9 ft at 2:55AM May 28, 2020Observed: 15.91 ft at 3:55AM May 28, 2020Observed: 15.86 ft at 4:55AM May 28, 2020Observed: 15.89 ft at 5:55AM May 28, 2020Observed: 15.87 ft at 6:55AM May 28, 2020Observed: 15.83 ft at 7:55AM May 28, 2020Observed: 15.81 ft at 8:55AM May 28, 2020Observed: 15.78 ft at 9:55AM May 28, 2020Observed: 15.86 ft at 10:55AM May 28, 2020Observed: 15.85 ft at 11:55AM May 28, 2020Observed: 15.87 ft at 12:55PM May 28, 2020Observed: 15.82 ft at 1:55PM May 28, 2020Observed: 15.81 ft at 2:55PM May 28, 2020Observed: 15.87 ft at 3:55PM May 28, 2020Observed: 15.76 ft at 4:55PM May 28, 2020Observed: 15.78 ft at 5:55PM May 28, 2020Observed: 15.83 ft at 6:55PM May 28, 2020Observed: 15.83 ft at 7:55PM May 28, 2020Observed: 15.81 ft at 8:55PM May 28, 2020Observed: 15.85 ft at 9:55PM May 28, 2020Observed: 15.78 ft at 10:55PM May 28, 2020Observed: 15.69 ft at 11:55PM May 28, 2020Observed: 15.72 ft at 12:55AM May 29, 2020Observed: 15.69 ft at 1:55AM May 29, 2020Forecast: 15.47 ft 10:00AM May 29, 2020Forecast: 15.47 ft 4:00PM May 29, 2020Forecast: 15.5 ft 10:00PM May 29, 2020Forecast: 15.53 ft 4:00AM May 30, 2020Forecast: 15.56 ft 10:00AM May 30, 2020Forecast: 15.6 ft 4:00PM May 30, 2020Forecast: 15.64 ft 10:00PM May 30, 2020Forecast: 15.67 ft 4:00AM May 31, 2020Forecast: 15.71 ft 10:00AM May 31, 2020Forecast: 15.76 ft 4:00PM May 31, 2020Highest Forecast: 15.83 ft 10:00PM May 31, 2020BGDA2(plotting HGIRR) Graph Created (4:02AM May 29, 2020)ObservedForecast (issued 1:09PM May 28)Latest observed value: 15.69 ft at 1:55 AM AKDT 29-May-2020. Flood Stage is 23 ft
Printable Image
About this graph
Tabular Data (UTC)
Tabular Data (AKDT)
XML Data
RSS Files
Datum: Not Available
Metadata
NOTE: Forecasts for the Tanana River at Big Delta are issued routinely during the warm season, and as needed at other times of the year.
Return to Area Map
Upstream Gauge - at Tanacross Upstream Gauge Downstream Gauge Downstream Gauge - at Fairbanks
Flood Categories (in feet)
Major Flood Stage: 27
Moderate Flood Stage: 25
Flood Stage: 23
Action Stage: 22
Low Stage (in feet): -9999

Historic Crests

(P): Preliminary values subject to further review.

Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
Currently none available.
Zoom Level:7
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
27 Major flood stage.
25 Moderate flood stage.
23.3 On August 13 1997...a stage of 23.3 feet resulted in the flooding of structures on Whitestone Farms.
23 Minor flood stage.
22.5 On August 13 1997...a stage of 22.5 feet prompted residents of Whitestone Farms to begin preparations for flooding...including sandbagging houses on their property. House near Rika's Roadhouse was also sandbagged.
Photos
(1) Tanana River at Big Delta bridge
(2) Tanana River at Big Delta looking downstream
(3) Tanana River at Big Delta looking upstream
About This Location Collapse

Latitude: 64.156944° N, Longitude: 145.864444° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 23 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 Not Available Not Available Older USGS topographic maps, NGVD29 benchmarks
MSL Not Available Not Available Older USGS topographic maps, MSL benchmarks
Other 975 ft 998 ft  

Current/Historical Observations:

Additional Information Collapse
Long-term Hydrograph
Resources Collapse
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
Fairbanks Weather Forecast Office
UAF-IARC Bldg. P.O. Box 757345
Fairbanks, AK 99775-7345
(907) 458-3700
Ask Questions/Webmaster
Page last modified: 1-Mar-2019 12:31 AM
Disclaimer
Credits
Glossary
Privacy Policy
About Us
Career Opportunities