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The importance of streamgages in the aftermath of the Colorado Floods of September 2013Kevin Stewart, ManagerInformation Services & Flood Warning ProgramUrban Drainage and Flood Control District, Denver CO

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The Urban Drainage and Flood Control District

Urban Drainage & Flood Control District

Flood Warning Program

Serving the greater Denver/Boulder metropolitan area since 1979in cooperation with NOAA’s National Weather Service

A Federal/Regional/Local Early Warning Partnership

5Real-Time Flood DetectionUSGS and Colorado DWR streamgage data integrated with UDFCD ALERT gages

UDFCD’s ALERT System195 Rain Gages 99 Streamgages 26 Weather Stations

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STREAMGAGESEveryday importance is inconspicuous

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STREAMGAGESVitally important on especially rare occasions

8SEPTEMBER 14, 2013 HEADLINEStreamgages provide critical situational awareness during floods.

9USGS STREAMGAGE WITH LIVE VIDEO WEBCAM—SEPT. 12, 2013

Fourmile Creek near Orodell in Boulder County, Colorado

10Peak Flow Estimates & Corresponding AEP Values

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