Skip Navigation Link weather.gov  
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 Home News Organization
Bookmark and Share Navigation Bar End Cap

  

National Conditions
    Rivers
    Satellite
    Climate
    Observed Precip

Local Conditions
    Warnings
    Weather Forecast
    Radar

AHPS Documentation
    User Guide
    User Brochure

What is AHPS?
    Facts
    Our Partners

Feedback/Questions
     Provide Feedback
    Ask Questions

When flooded turn around don't drown
FloodSmart
USA.gov Official Web Portal
 

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.



Hydrograph River at a Glance Download
Shell Rock River (Northeast IA) near Northwood Stage (ft)Flow (cfs)National Weather ServiceNTWI4(plotting HGIRZ) Graph Created (2:18AM Jun 8, 2023)
Printable Image
About this graph
Tabular Data (UTC)
Tabular Data (CDT)
XML Data
RSS Files
Datum: NGVD29
Metadata
NOTE: Forecasts are not available for the Shell Rock River (Northeast IA) near Northwood. Only observed stages are available for this point.

More information on datums is available at www.ngs.noaa.gov/faq.shtml

Return to Area Map
Downstream Gauge Downstream Gauge - at Nora Springs
Flood Categories (in feet)
Not Available

Historic Crests
(1) 12.07 ft on 04/08/1965
(2) 11.68 ft on 03/26/1961
(3) 10.55 ft on 03/26/1969
(4) 10.30 ft on 03/20/1948
(5) 9.78 ft on 03/23/1963
(6) 9.72 ft on 03/28/1950
(7) 9.70 ft on 03/13/1946
(8) 9.67 ft on 03/19/1986
(9) 9.63 ft on 03/30/1979
(10) 9.60 ft on 03/01/1982
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 9.67 ft on 03/19/1986
(2) 7.16 ft on 03/11/1985
(3) 8.77 ft on 05/01/1984
(4) 8.99 ft on 03/07/1983
(5) 9.60 ft on 03/01/1982
(6) 8.24 ft on 04/28/1981
(7) 7.59 ft on 08/17/1980
(8) 9.19 ft on 04/02/1979
(9) 9.63 ft on 03/30/1979
(10) 8.25 ft on 06/17/1978
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:12
KML Image
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.
About This Location Collapse

Latitude: 43.414125° N, Longitude: 93.220759° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame		 Gauge Height Flood Stage Uses
NWS stage 0 ft Not Available 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 1176.48 ft 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:
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
Des Moines Weather Forecast Office
9607 NW Beaver Dr.
Des Moines, IA 50131
(515) 270-2614
Ask Questions/Webmaster
Page last modified: 2-Nov-2020 7:29 PM 		Disclaimer
Credits
Glossary 		Privacy Policy
About Us
Career Opportunities