Web Portal Changes: The Advanced Hydrologic Prediction Service (AHPS) hosted at https://water.weather.gov will be replaced by the National Water Prediction Service (NWPS), with a target of March 2024. Existing AHPS content and features will be preserved and expanded within NWPS.

Experimental National Water Center Products: The National Hydrologic Discussion, Area Hydrologic Discussion, and Flood Hazard Outlook, and real-time geospatial services depicting River Forecast Center and National Water Model forecasts, continue to be accessible via https://www.weather.gov/owp/operations, as described in the StoryMap here.

Weather Forecast Office Kansas City/Pleasant Hill, MO

Missouri Basin River Forecast Center

Hydrograph

River at a Glance

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Probability Information Weekly Chance of Exceeding Levels Chance of Exceeding Levels During Entire Period Short-term Probabilistic Guidance (Experimental)

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Printable Image About this graph Tabular Data (UTC) Tabular Data (CDT) Datum: Not Available Metadata

NOTE: River forecasts for this location take into account past precipitation and the precipitation amounts expected approximately 24 hours into the future from the forecast issuance time. NOTE: Forecasts for the Blue River at 12th Street are issued as needed during times of high water, but are not routinely available.

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Upstream Gauge

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) 38.00 ft on 09/13/1961 (2) 37.42 ft on 05/16/1990 (3) 36.33 ft on 09/13/1977 (4) 35.07 ft on 06/10/1984 (5) 35.00 ft on 06/09/1984 Show More Historic Crests (P): Preliminary values subject to further review. Recent Crests (1) 31.32 ft on 08/22/2017 (2) 29.03 ft on 05/18/1995 (3) 28.78 ft on 07/28/1993 (4) 37.42 ft on 05/16/1990 (5) 35.07 ft on 06/10/1984 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. Show FEMA's National Flood Hazard Layers FEMA's National Flood Hazard Layers not showing? Why aren't the FEMA National Flood Hazard Layers showing on the ESRI Map? Possible reasons: There are no FEMA National Flood Hazard Layers for the location which you are viewing on ESRI Maps. The FEMA Web Mapping Service (WMS) is down. Note: Your zoom level may have changed. ESRI's zoom levels must be between 14 and 16 to show National Flood Hazard layers.

Zoom Level:15 Legend FEMA Layer Gauge Location 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

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51	Flood waters overtop the 12th Street bridge.
39	Water reaches the bottom of the 12th Street bridge.
38	Extensive flooding of industrial areas along the river.
36.1	12th Street begins to flood about 300 yards west of the bridge.
36	Railroad tracks around 1,000 ft northwest of the gage begin to flood.
35	Water begins to affect several commercial buildings along the river.
31	Low-lying areas of Manchester Trafficway begin to flood just south of Truman Road.
30	Low-lying areas near 12th Street begin to flood. When the Missouri River is high, the flood waters from the Blue river may approach the top of the flood wall on the west bank of the Blue River near the Wilson Avenue bridge.

About This Location

Latitude: 39.096917° N, Longitude: 94.491028° 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 714.842 ft 744.842 ft 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   Current/Historical Observations: U.S. Geological Survey (USGS) Data and Site Info for 12th Street

Additional Information

How low could the river get?

Resources

Hydrologic Resources Text Products Past Precipitation Forecast Precipitation River Forecast Centers River Stage Summary Daily Reservoir Bulletin Inundation Mapping Locations USGS Water Dashboard USACE Missouri R. Water Management

Additional Resources Area Hydrographs NWS Precipitation and River Forecasting AHPS Iframes for Developers Mobile iNWS for emergency management Regional Temperature/Precipitation Table KS Headwater Guidance MO Headwater Guidance Snow Information

Collaborative Agencies 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 Ask Questions/Webmaster Page last modified: 2-Nov-2020 7:29 PM Disclaimer Credits Glossary Privacy Policy About Us Career Opportunities