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Hydrograph River at a Glance Download
Blue River at Colorado Avenue Stage (ft)Flow (kcfs)Observed: 31.35 ft at 5:10AM May 27, 2020Observed: 30.93 ft at 8:05AM May 27, 2020Observed: 30.87 ft at 9:10AM May 27, 2020Observed: 30.63 ft at 1:10PM May 27, 2020Observed: 30.33 ft at 5:15PM May 27, 2020Observed: 30.47 ft at 9:15PM May 27, 2020Observed: 31.13 ft at 9:30PM May 27, 2020Observed: 32.13 ft at 9:40PM May 27, 2020Observed: 32.69 ft at 9:45PM May 27, 2020Observed: 33.17 ft at 9:50PM May 27, 2020Observed: 33.57 ft at 9:55PM May 27, 2020Observed: 34.11 ft at 10:05PM May 27, 2020Observed: 34.51 ft at 10:20PM May 27, 2020Observed: 34.99 ft at 11:40PM May 27, 2020Observed: 35.41 ft at 11:45PM May 27, 2020Observed: 36.01 ft at 11:50PM May 27, 2020Observed: 36.63 ft at 11:55PM May 27, 2020Observed: 37.27 ft at 12:00AM May 28, 2020Observed: 37.85 ft at 12:05AM May 28, 2020Observed: 38.43 ft at 12:10AM May 28, 2020Observed: 39.03 ft at 12:15AM May 28, 2020Observed: 39.51 ft at 12:20AM May 28, 2020Observed: 39.91 ft at 12:25AM May 28, 2020Observed: 40.61 ft at 12:35AM May 28, 2020Observed: 41.11 ft at 12:50AM May 28, 2020Observed: 40.87 ft at 1:15AM May 28, 2020Observed: 40.41 ft at 1:30AM May 28, 2020Observed: 39.89 ft at 1:45AM May 28, 2020Observed: 39.39 ft at 2:00AM May 28, 2020Observed: 38.93 ft at 2:15AM May 28, 2020Observed: 38.53 ft at 2:30AM May 28, 2020Observed: 38.09 ft at 3:00AM May 28, 2020Observed: 37.67 ft at 4:00AM May 28, 2020Observed: 37.25 ft at 5:15AM May 28, 2020Observed: 36.81 ft at 6:10AM May 28, 2020Observed: 36.35 ft at 7:05AM May 28, 2020Observed: 36.93 ft at 9:50AM May 28, 2020Observed: 37.39 ft at 10:40AM May 28, 2020Observed: 37.85 ft at 11:40AM May 28, 2020Observed: 38.29 ft at 12:05PM May 28, 2020Observed: 38.79 ft at 12:25PM May 28, 2020Observed: 39.37 ft at 12:40PM May 28, 2020Observed: 39.81 ft at 12:55PM May 28, 2020Observed: 40.25 ft at 1:05PM May 28, 2020Observed: 40.73 ft at 1:10PM May 28, 2020Observed: 40.93 ft at 1:15PM May 28, 2020Observed: 41.81 ft at 1:35PM May 28, 2020Observed: 42.41 ft at 1:55PM May 28, 2020Observed: 42.95 ft at 2:10PM May 28, 2020Observed: 43.57 ft at 2:25PM May 28, 2020Observed: 44.47 ft at 2:30PM May 28, 2020Observed: 44.91 ft at 2:40PM May 28, 2020Observed: 45.79 ft at 2:45PM May 28, 2020Observed: 46.43 ft at 3:00PM May 28, 2020Observed: 47.17 ft at 3:05PM May 28, 2020Observed: 47.81 ft at 3:20PM May 28, 2020Observed: 48.37 ft at 3:30PM May 28, 2020Observed: 48.87 ft at 3:45PM May 28, 2020Observed: 48.43 ft at 4:55PM May 28, 2020Observed: 48.07 ft at 5:20PM May 28, 2020Observed: 48.47 ft at 9:05PM May 28, 2020Observed: 48.65 ft at 9:20PM May 28, 2020Observed: 49.05 ft at 10:45PM May 28, 2020Highest Observation: 49.13 ft at 1:20AM May 29, 2020Observed: 48.73 ft at 2:55AM May 29, 2020Observed: 48.33 ft at 4:00AM May 29, 2020Observed: 47.91 ft at 5:00AM May 29, 2020Observed: 47.79 ft at 5:20AM May 29, 2020Observed: 47.39 ft at 6:10AM May 29, 2020Observed: 46.97 ft at 6:55AM May 29, 2020Observed: 46.55 ft at 7:35AM May 29, 2020Observed: 46.07 ft at 8:15AM May 29, 2020Observed: 45.65 ft at 8:45AM May 29, 2020Observed: 45.23 ft at 9:10AM May 29, 2020Observed: 45.09 ft at 9:20AM May 29, 2020Observed: 44.61 ft at 9:45AM May 29, 2020Observed: 44.07 ft at 10:10AM May 29, 2020Observed: 43.61 ft at 10:30AM May 29, 2020Observed: 43.05 ft at 10:50AM May 29, 2020Observed: 42.59 ft at 11:10AM May 29, 2020Observed: 42.15 ft at 11:25AM May 29, 2020Observed: 41.73 ft at 11:40AM May 29, 2020Observed: 41.29 ft at 11:55AM May 29, 2020Observed: 40.89 ft at 12:10PM May 29, 2020Observed: 40.43 ft at 12:25PM May 29, 2020Observed: 39.97 ft at 12:40PM May 29, 2020Observed: 39.43 ft at 1:00PM May 29, 2020Observed: 39.03 ft at 1:15PM May 29, 2020Observed: 38.87 ft at 1:20PM May 29, 2020Observed: 38.47 ft at 1:35PM May 29, 2020Observed: 37.95 ft at 1:55PM May 29, 2020Observed: 37.55 ft at 2:10PM May 29, 2020Observed: 37.09 ft at 2:30PM May 29, 2020Observed: 36.65 ft at 2:50PM May 29, 2020Observed: 35.71 ft at 3:40PM May 29, 2020Observed: 35.27 ft at 4:15PM May 29, 2020Observed: 34.87 ft at 4:50PM May 29, 2020Observed: 34.55 ft at 5:20PM May 29, 2020Observed: 34.13 ft at 6:15PM May 29, 2020Observed: 33.67 ft at 7:25PM May 29, 2020Observed: 33.37 ft at 9:20PM May 29, 2020Observed: 32.97 ft at 11:55PM May 29, 2020Observed: 32.77 ft at 1:25AM May 30, 2020BVCM7(plotting HGIRR) Graph Created (4:03AM May 30, 2020)ObservedLatest observed value: 32.77 ft at 1:25 AM CDT 30-May-2020. Flood Stage is 56 ft
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About this graph
Tabular Data (UTC)
Tabular Data (CDT)
XML Data
RSS Files
Datum: Not Available
NOTE: River forecasts for this location take into account past precipitation and the precipitation amounts expected approximately 48 hours into the future from the forecast issuance time.

NOTE: Forecasts for the Blue River at Colorado Avenue are issued as needed during times of high water, but are not routinely available.

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Upstream Gauge - at 63rd Street Upstream Gauge Downstream Gauge Downstream Gauge - at Stadium Drive
Flood Categories (in feet)
Major Flood Stage: 67
Moderate Flood Stage: 61
Flood Stage: 56
Action Stage: 51
Low Stage (in feet): -9999

Historic Crests
(1) 57.21 ft on 08/22/2017

(P): Preliminary values subject to further review.

Recent Crests
(1) 57.21 ft on 08/22/2017

(P): Preliminary values subject to further review.

Low Water Records
Currently none available.
Zoom Level:16
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Gauge LocationGauge Map Marker
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
67 Flooding begins to affect numerous structures.
64 Several buildings along the river begin to flood.
63 Flooding begins to affect Blue Parkway near Hardesty Avenue.
61 Flood waters approach Hardesty Avenue.
58 Flooding begins to affect Blue Banks Avenue just south of Blue Parkway.
56 Flood waters approach Denver Avenue.
About This Location Collapse

Latitude: 39.036667° N, Longitude: 94.522500° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 56 ft Interpreting hydrographs and NWS watch, warnings, and forecasts, and inundation maps
Vertical Datum Elevation
(gauge height = 0)
(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 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
Kansas City/Pleasant Hill Weather Forecast Office
1803 N. 7 Hwy
Pleasant Hill, MO 64080
(816) 540-6021
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Page last modified: 1-Mar-2019 12:34 AM
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