Skip Navigation Link  
NOAA logo - Click to go to the NOAA homepage National Weather Service NWS logo - Click to go to the NWS homepage
Advanced Hydrologic Prediction Service
Image background of Navigation bar Left
Bookmark and Share Navigation Bar End Cap


Web Portal Changes:

  • AHPS - Scheduled operations ends on Tuesday, May 28th, 2024
  • Please see it NOW!  The pages will automatically redirect to until May 28, 2025.
  • To go to a specific gauge location  - use - where NWSLI is the five character ID of your favorite location.
  • Other Important URL changes - Service Change Notice 24-29 

Please visit for more information.

Hydrograph River at a Glance Download
Big Creek at Ellis Stage (ft)ELLK1(plotting HGIRZ) Graph Created (1:48PM May 20, 2024)Flood Stage is 15 ft
Printable Image
About this graph
Tabular Data (UTC)
Tabular Data (CDT)
XML Data
RSS Files
Datum: NGVD29
NOTE: Stage measured manually and reported by river observer. No automated gauge on-site.

NOTE: River forecasts for this location take into account past and future precipitation. Forecast stages may be different if forecast future rainfall does not occur.

NOTE: Forecasts for the Big Creek at Ellis are issued as needed during times of high water, but are not routinely available.

Return to Area Map
Upstream Gauge - near Ellis Upstream Gauge Downstream Gauge Downstream Gauge - near Hays
Flood Categories (in feet)
Major Flood Stage: 19
Moderate Flood Stage: 17
Flood Stage: 15
Action Stage: 13
Low Stage (in feet): -9999

Historic Crests
(1) 21.80 ft on 06/17/1957
(2) 19.75 ft on 06/22/1951
(3) 14.20 ft on 07/21/1993
(4) 12.10 ft on 08/03/1999
(5) 11.60 ft on 08/02/1999
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 12.10 ft on 08/03/1999
(2) 11.60 ft on 08/02/1999
(3) 10.35 ft on 07/29/1999
(4) 14.20 ft on 07/21/1993
(5) 11.50 ft on 03/22/1960
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:16
KML Image
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
21.8 Prepare for floodwaters 4 to 5 feet deep throughout the lowest lying downtown areas in Ellis. At 21.8 feet, inundations comparable to the June 17, 1957 flood will occur...which approximates the 100 year flood.
20.39 At a stage of 20.4 feet, the 11th Street bridge road surface will be covered by water... And 3 to 5 foot inundations will cover the lowest lying areas around Big Creek. The downtown area will experience inundations approximately 1.5 feet lower than the maximum crest previously encountered during the june 17, 1957 flood.
19 Floodwaters 2 feet or more will inundate portions of the downtown area of Ellis, KS.
18 River reaches the low bridge steel of the 11th Street bridge across Big Creek. Floodwaters reaching a depth of 1 foot or more will inundate portions of the downtown area.
17 In the city of Ellis, portions of 11th Street begin to flood and floodwaters begin to move into sections of the downtown area.
16 In the city of Ellis, Big Creek widens as the floodwaters move away from the river channel.
15 In the city of ellis, flood waters migrate from the immediate proximity of big creek.
14 At a stage of 14 feet, expect minor overflows in the immediate proximity of big creek.
About This Location Collapse

Latitude: 38.936944° N, Longitude: 99.563611° W, Horizontal Datum: NAD27

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 15 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 2120.0 ft 2135.0 ft 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:

Additional Information Collapse
How low could the river get?
Resources Collapse
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
Dodge City Weather Forecast Office
104 Airport Rd
Dodge City, KS 67801
(620) 225-6514
Ask Questions/Webmaster
Page last modified: 2-Nov-2020 7:29 PM
Privacy Policy
About Us
Career Opportunities