ML21187A211
| ML21187A211 | |
| Person / Time | |
|---|---|
| Site: | Westinghouse |
| Issue date: | 10/19/2020 |
| From: | US Dept of Commerce, National Oceanic & Atmospheric Admin, National Weather Service |
| To: | Office of Nuclear Material Safety and Safeguards |
| Trefethen, JA | |
| References | |
| Download: ML21187A211 (1) | |
Text
National Weather Service Advanced Hydrologic Prediction Service weather.gov Home News Organization Search for:
NWS All NOAA Go Local weather National Observations WFO Observations Hydrograph forecast by "City, ST" City, ST Go Weather Forecast Office Columbia, SC Southeast River Forecast Center National Conditions Hydrograph River at a Glance Download Probability Information Rivers Satellite Climate Auto Refresh:
OFF OFF 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 Printable Image Default Hydrograph Default Hydrograph NOTE: River forecasts for this location About this graph take into account past precipitation and Tabular Data (UTC) the precipitation amounts expected Tabular Data (EDT) approximately 48 hours5.555556e-4 days <br />0.0133 hours <br />7.936508e-5 weeks <br />1.8264e-5 months <br /> into the future Return to Area Map from the forecast issuance time.
Datum: NGVD29 NOTE: Gauge reading affected by Metadata reservoir operations.
Reliability of the Forecast: Based on current and forecast river, weather and reservoir conditions NOTE: Forecasts for the Congaree River at Carolina Eastman are issued as needed during times of high water, but are not routinely available.
Upstream Gauge Downstream Gauge Flood Categories (in feet)
Major Flood Stage: 126 Zoom Level:16 Moderate Flood Stage: 119
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Switch Basemap Flood Stage: 115 Action Stage: 114 Low Stage (in feet): 0 https://water.weather.gov/ahps2/hydrograph.php?wfo=cae&gage=CEAS1[10/19/2020 8:30:16 AM]
National Weather Service Advanced Hydrologic Prediction Service Historic Crests (1) 126.95 ft on 10/12/1976 (2) 126.90 ft on 10/05/2015 (3) 126.90 ft on 02/27/1979 (4) 126.40 ft on 02/09/2020 (5) 126.00 ft on 03/16/1975 Show More Historic Crests (P): Preliminary values subject to further review.
Recent Crests (1) 117.90 ft on 10/13/2020 (2) 116.00 ft on 09/18/2020 (3) 117.10 ft on 05/30/2020 (4) 115.30 ft on 05/29/2020 (5) 123.00 ft on 05/23/2020 Show More Recent Crests Esri, HERE, Garmin, INCREM (P): Preliminary values subject to further review. Gauge Location Disclaimer Low Water Records Latitude/Longitude Disclaimer: The gauge location shown in the above map is the (1) 100.40 ft on 08/26/2007 approximate location based on the latitude/longitude coordinates provided to the (2) 100.40 ft on 08/25/2007 NWS by the gauge owner.
(3) 100.50 ft on 06/20/2008 (4) 100.60 ft on 10/03/2007 (5) 100.70 ft on 09/30/2007 Show More Low Water Records Flood Impacts & Photos If you notice any errors in the below information, please contact our Webmaster 131 The floor elevation of some major buildings on the Carolina Eastman Facility are flooded. Extensive farmland and lowland flooding occurs south of Columbia to Lake Marion.
127 Portions of the Carolina Eastman facility have to be evacuated.
126 Extensive farmland and lowland flooding will occur south of Columbia to Lake Marion. Water reaches the top of some dikes at the Carolina Eastman Facility.
124 Extensive flooding occurs at the Carolina Eastman Facility with some access roads flooded. Extensive farmland flooding occurs in the area.
119 Extensive flooding occurs in the Congaree National Park. Some area farmland is flooded. Minor flooding occurs at the Carolina Eastman Facility.
115 Flooding occurs in low lying areas of the Carolina Eastman Facility and at the Congaree National Park.
About This Location Latitude: 33.875833° N, Longitude: 81.016111° W, Horizontal Datum: Unknown River Stage Gauge Height Flood Stage Uses Reference Frame NWS stage 0 ft 115 ft Interpreting hydrographs and NWS watch, warnings, and forecasts, and inundation maps Vertical Datum Elevation Elevation Elevation https://water.weather.gov/ahps2/hydrograph.php?wfo=cae&gage=CEAS1[10/19/2020 8:30:16 AM]
National Weather Service Advanced Hydrologic Prediction Service (gauge height = 0) (gauge height = flood stage) information source NAVD88 Not Available Not Available Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps NGVD 29 0 ft 115 ft Older USGS topographic maps, NGVD29 benchmarks MSL Not Available Not Available Older USGS topographic maps, MSL benchmarks Other Not Available Not Available Additional Information Potential River Levels Used to Estimate the Chance of Flooding and the Range of Possible River Levels 10 Day (HEFS) 7 Day (NAEFS) 7 Day (GEFS)
Note: Use the official hydrograph at the top of this web page for river levels within the next 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br />.
Click individual graphics to enlarge.
Data courtesy of the Dak Americas.
Resources Hydrologic Resources Additional Resources Text Products Area Hydrographs Past Precipitation NWS Precipitation and River Forecasting Forecast Precipitation AHPS Iframes for Developers River Forecast Centers Mobile iNWS for emergency management River Stage Summary Southeast River Forecast Center Inundation Mapping Locations Snow Information WFO Columbia SC Drought Information Page Weather Observations Precipitation Analysis Ensemble River Forecasts Temperature and Precipitation Report Hourly Precipitation 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 Disclaimer Privacy Policy Columbia Weather Forecast Office Credits About Us 2909 Aviation Way Glossary Career Opportunities West Columbia, SC 29170-2102 (803) 822-8135 Ask Questions/Webmaster Page last modified: 1-Mar-2019 12:35 AM https://water.weather.gov/ahps2/hydrograph.php?wfo=cae&gage=CEAS1[10/19/2020 8:30:16 AM]