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FloodSmart
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Hydrograph River at a Glance Download
Blue River at 40 Highway Stage (ft)Flow (kcfs)KSYM7(plotting HGIRZ) Graph Created (11:33AM Jan 19, 2021)Flood Stage is 30 ft
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Datum: Not Available
Metadata
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 40 Highway are issued as needed during times of high water, but are not routinely available.

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Upstream Gauge - at Stadium Drive Upstream Gauge Downstream Gauge Downstream Gauge - at 17th Street
Flood Categories (in feet)
Major Flood Stage: 40
Moderate Flood Stage: 35
Flood Stage: 30
Action Stage: 23
Low Stage (in feet): -9999

Historic Crests
(1) 40.40 ft on 05/15/1990
(2) 36.10 ft on 09/13/1961
(3) 34.20 ft on 11/17/1928
(4) 33.60 ft on 05/17/1995
(5) 31.50 ft on 04/23/1944
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 33.60 ft on 05/17/1995
(2) 40.40 ft on 05/15/1990
(3) 36.10 ft on 09/13/1961
(4) 31.40 ft on 07/31/1958
(5) 31.50 ft on 04/23/1944
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.
Zoom Level:15
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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
33 Water begins to flood a mobile home park on 40 Highway.
30 Low-lying areas near 40 Highway are flooded.
About This Location Collapse

Latitude: 39.070000° N, Longitude: 94.506944° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame		 Gauge Height Flood Stage Uses
NWS stage 0 ft 30 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 29 721.65 ft 751.65 ft 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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How low could the river get?
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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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