2. 2 The importance of streamgages in the aftermath of the Colorado Floods of September 2013 Kevin Stewart, Manager Information Services & Flood Warning Program Urban Drainage and Flood Control District, Denver CO

3. 3 The Urban Drainage and Flood Control District

4. Urban Drainage & Flood Control District Flood Warning Program Serving the greater Denver/Boulder metropolitan area since 1979 in cooperation with NOAA’s National Weather Service A Federal/Regional/Local Early Warning Partnership

5. 5 Real-Time Flood Detection USGS and Colorado DWR streamgage data integrated with UDFCD ALERT gages UDFCD’s ALERT System 195 Rain Gages 99 Streamgages 99 Streamgages 26 Weather Stations 26 Weather Stations

6. 6 STREAMGAGES STREAMGAGES Everyday importance is inconspicuous

7. 7 STREAMGAGES STREAMGAGES Vitally important on especially rare occasions

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

9. 9 USGS STREAMGAGE WITH LIVE VIDEO WEBCAM—SEPT. 12, 2013 Fourmile Creek near Orodell in Boulder County, Colorado

10. 10 Peak Flow Estimates & Corresponding AEP Values

11. 11