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Hydrograph River at a Glance Download
Big Thompson River (CO) at Lake Estes Inflow Discharge (cfs)Forecast: 305 cfs 6:00PM May 20, 2024Forecast: 310 cfs 12:00AM May 21, 2024Highest Forecast: 312 cfs 6:00AM May 21, 2024Forecast: 308 cfs 12:00PM May 21, 2024Forecast: 290 cfs 6:00PM May 21, 2024Forecast: 268 cfs 12:00AM May 22, 2024Forecast: 240 cfs 6:00AM May 22, 2024Forecast: 210 cfs 12:00PM May 22, 2024Forecast: 187 cfs 6:00PM May 22, 2024Forecast: 176 cfs 12:00AM May 23, 2024Forecast: 175 cfs 6:00AM May 23, 2024Forecast: 177 cfs 12:00PM May 23, 2024Forecast: 182 cfs 6:00PM May 23, 2024Forecast: 212 cfs 12:00AM May 24, 2024Forecast: 245 cfs 6:00AM May 24, 2024Forecast: 265 cfs 12:00PM May 24, 2024Forecast: 267 cfs 6:00PM May 24, 2024Forecast: 273 cfs 12:00AM May 25, 2024Forecast: 269 cfs 6:00AM May 25, 2024ESSC2(plotting QIIRZ) Graph Created (12:45PM May 20, 2024)Forecast (issued 7:55AM May 20)
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About this graph
Tabular Data (UTC)
Tabular Data (MDT)
XML Data
RSS Files
Datum: NGVD29
Metadata
NOTE: Forecasts for the Big Thompson River (CO) at Lake Estes are issued routinely year-round.
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Downstream Gauge Downstream Gauge - below Lake Estes
Flood Categories (in KCFS)
Major Flood Flow: 0
Moderate Flood Flow: 0
Flood Flow: 0
Action Flow: 1.15
Low Stage (in feet): -9999

Historic Crests
Currently none available.

Recent Crests
Currently none available.

Low Water Records
Currently none available.

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

Zoom Level:13
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
1150 The river is bankfull in Estes Park.
About This Location Collapse

Latitude: 40.375600° N, Longitude: 105.487800° W, Horizontal Datum: NAD27

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS flow Not Available Not Available 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 7492 Not Available Older USGS topographic maps, NGVD29 benchmarks
MSL Not Available Not Available Older USGS topographic maps, MSL benchmarks
Other Not Available Not Available  
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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
Denver/Boulder Weather Forecast Office
325 Broadway
Boulder, CO 80305-3328
(303) 494-4221
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Page last modified: 2-Nov-2020 7:28 PM
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