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Hydrograph River at a Glance Download
Big Thompson River (CO) at above the Canyon Mouth at Cedar Cove Stage (ft)Colorado Division of Water ResourcesBIMC2(plotting HGIRG) Graph Created (5:15AM Dec 7, 2016)Flood Stage is 7.5 ft
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Datum: NGVD29
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NOTE: Gauge reading affected by reservoir operations.

NOTE: Gauge reading may be affected by ice during freezing weather from November to April.

NOTE: Forecasts for the Big Thompson River (CO) at above the Canyon Mouth at Cedar Cove are issued as needed during times of high water, but are not routinely available.

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Upstream Locations Upstream Gauge Downstream Gauge Downstream Gauge - at Loveland
Flood Categories (in feet)
Major Flood Stage: 0
Moderate Flood Stage: 0
Flood Stage: 7.5
Action Stage: 6.5
Low Stage (in feet): 0

Historic Crests
(1) 6.43 ft on 05/31/2014
(2) 5.96 ft on 06/11/2015 (P)

(P): Preliminary values subject to further review.

Recent Crests
(1) 5.96 ft on 06/11/2015 (P)
(2) 6.43 ft on 05/31/2014

(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:10
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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
Photos
(1) Looking Upstream
(2) Looking Downstream
About This Location Collapse

Latitude: 40.414900° N, Longitude: 105.251000° W, Horizontal Datum: NAD27

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 7.5 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 5305.47 5311.47 Older USGS topographic maps, NGVD29 benchmarks
MSL Not Available Not Available Older USGS topographic maps, MSL benchmarks
Other Not Available Not Available  
Additional Information Collapse
Stream level observations provided by the Colorado Division of Water Resources
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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: 13-Aug-2015 2:14 AM
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