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 Seattle, WA

Northwest River Forecast Center

Special Weather Statement

Hydrograph

River at a Glance

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

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Printable Image About this graph Tabular Data (UTC) Tabular Data (PDT) Datum: NGVD29 Metadata

NOTE: River forecasts for this location take into account past and future precipitation. The stages/flows that will occur may be different if future rainfall is different than forecast. Reliability of the Forecast: Based on current and forecast river, weather and reservoir conditions NOTE: Forecasts for the South Prairie Creek at South Prairie are issued routinely year-round.

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Downstream Gauge

Flood Categories (in KCFS) Major Flood Flow: 8 Moderate Flood Flow: 5.5 Flood Flow: 4 Action Flow: 3 Low Flow (in CFS): -9999 Historic Crests (1) 9,480 cfs on 01/07/2009 (2) 8,170 cfs on 02/08/1996 (3) 7,230 cfs on 01/06/2022 (P) (4) 6,620 cfs on 02/05/2020 (5) 6,540 cfs on 11/07/2006 (6) 5,960 cfs on 11/12/2008 (7) 5,060 cfs on 10/31/2015 (8) 4,650 cfs on 11/25/1999 (9) 3,960 cfs on 10/22/2017 (10) 3,830 cfs on 11/25/2014 Show More Historic Crests (P): Preliminary values subject to further review. Recent Crests (1) 7,230 cfs on 01/06/2022 (P) (2) 3,700 cfs on 02/22/2021 (P) (3) 2,870 cfs on 01/13/2021 (P) (4) 6,620 cfs on 02/05/2020 (5) 3,960 cfs on 10/22/2017 Show More Recent Crests (P): Preliminary values subject to further review. Low Water Records Currently none available.

Zoom Level:16 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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8000	South Prairie Creek will cause major flooding above the Town of South Prairie downstream to the Carbon River. Swift and deep flood waters will inundate roads, residential areas, and farms, including South Prairie - Carbon River rd., South Prairie Rd. East, Lower Burnett Rd., and SR 162. Flooding could threaten the South Prairie Fire Station. Flooding will occur all along the river including headwaters, tributaries, and other streams within and near South Prairie Creek Basin.
5500	South Prairie Creek will cause flooding from above the Town of South Prairie downstream to the Carbon River. Flood waters will inundate roads, residential areas, and farms, including South Prairie - Carbon River Rd., South Prairie Rd. East, Spring Site Rd., and SR 162.
4000	South Prairie Creek will flood low lying areas and roads from the Town of South Prairie downstream to the Carbon River near Orting.

About This Location

Latitude: 47.139722° N, Longitude: 122.091389° W, Horizontal Datum: NAD27 River Stage Reference Frame Gauge Height Flood Stage Uses NWS flow Not Available 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 29 400.0 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: U.S. Geological Survey (USGS) Data and Site Info for South Prairie

Resources

Hydrologic Resources Text Products Past Precipitation Forecast Precipitation River Forecast Centers River Stage Summary USGS Streamflow Data USACE real time/archived data query

Additional Resources Area Hydrographs NWS Precipitation and River Forecasting AHPS Iframes for Developers Mobile iNWS for emergency management Inundation Mapping Locations Snow Information Flood Smart/National Flood Insurance Program

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 Seattle Weather Forecast Office 7600 Sandpoint Way NE Seattle, WA 98115-6349 (206) 526-6087 Ask Questions/Webmaster Page last modified: 2-Nov-2020 7:27 PM Disclaimer Credits Glossary Privacy Policy About Us Career Opportunities