River and Reservoir Watch Version 3.8

Satellite River Discharge and Reservoir Area Measurements

Technical Summary

Resumen Técnico

Technical Report and Data Product Specifications, Global Flood Detection System

All measurement sites are now being revised to Version 3.8. Some external links are incorrect. Expected completion: February 5, 2021


Updated Twice-daily at 2:30 and 14:30 Local Denver Time

White: ice covered. Yellow: low flow or area (<20th percentile for this day). Blue: normal flow or area. Purple: moderate flooding (>1.5 y recurrence interval or area between 70th and 90th percentile). Red: major flooding (> 5 y recurrence interval or area >90th percentile.

 The Log-Pearson III distribution is used for recurrence interval calculation.

Accessing the discharge and runoff data: The daily discharge and runoff data are provided in html format for each site. Click on dots, then select "obtain data" links.

Tabular listing of all sites.

Return to Flood Observatory


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