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Web Portal Changes: In Spring 2024, the Advanced Hydrologic Prediction Service (AHPS) hosted at will be replaced by the National Water Prediction Service (NWPS) at a repurposed A preview of NWPS is available here, where you can see your station hydrograph by replacing SSSSS with the station 5-character id:

Flood Inundation Mapping: Experimental real-time flood Inundation mapping services for 10% of the United States are now available via the NWS Map Viewer. Additional products and geospatial services depicting River Forecast Center and National Water Model forecasts continue to be accessible as described in the StoryMap here.

Please visit for more information.

Hydrograph River at a Glance Download
Grand River near Brunswick Stage (ft)BRNM7(plotting HGIRZ) Graph Created (10:03AM Feb 24, 2024)Flood Stage is 19 ft
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Tabular Data (UTC)
Tabular Data (CST)
XML Data
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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: Stage may be affected by ice during winter months.

NOTE: Forecasts for the Grand River near Brunswick are issued as needed during times of high water, but are not routinely available.

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Upstream Gauge - near Sumner Upstream Gauge
Flood Categories (in feet)
Major Flood Stage: 33
Moderate Flood Stage: 27
Flood Stage: 19
Action Stage: 14
Low Stage (in feet): -9999

Historic Crests
(1) 34.40 ft on 07/13/1993
(2) 32.45 ft on 05/31/2019
(3) 30.51 ft on 05/13/2007
(4) 30.15 ft on 06/01/2013
(5) 29.80 ft on 06/30/2008
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 19.50 ft on 07/13/2021
(2) 25.30 ft on 06/27/2021
(3) 24.40 ft on 05/31/2020
(4) 19.10 ft on 03/21/2020
(5) 32.45 ft on 05/31/2019
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

Zoom Level:14
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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
40.29 Water overtops the east end of the U.S. Highway 24 bridge about 1 mile west of Brunswick.
35.2 U.S. Highway 24 is flooded around one mile northwest of Brunswick.
34.6 The river floods the railroad tracks on the east side of the U.S. Highway 24 bridge near Brunswick.
33 The river threatens residences and reaches the bottom of the U.S. Highway 24 bridge around 1 mile west of Brunswick.
28 The river begins to flood Highway 24.
22 Low-lying areas along the east bank of the Grand River near the U.S. Highway 24 bridge begin to flood.
19 Flooding of low-lying areas occurs along the west bank of the Grand River near the U.S. Highway 24 bridge about 1 mile west of Brunswick.
About This Location Collapse

Latitude: 39.430278° N, Longitude: 93.159722° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 19 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 29 615.52 ft 634.52 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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Hydrologic Resources Additional Resources
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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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Page last modified: 2-Nov-2020 7:29 PM
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