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Summary of Streamflow Conditions and USGS Low-Flow Activities State Drought Task Force Meeting Oct. 4, 2012 St Paul, MN - Webinar U.S. Department of the.

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Presentation on theme: "Summary of Streamflow Conditions and USGS Low-Flow Activities State Drought Task Force Meeting Oct. 4, 2012 St Paul, MN - Webinar U.S. Department of the."— Presentation transcript:

1 Summary of Streamflow Conditions and USGS Low-Flow Activities State Drought Task Force Meeting Oct. 4, 2012 St Paul, MN - Webinar U.S. Department of the Interior U.S. Geological Survey Greg Mitton, USGS, Mounds View, MN Photo of dry channel at Minnesota River at Montevideo, 1932

2 2 Nearly half of U.S. experiencing below-normal streamflow Comparing lowflow conditions nationally – June and Sept., 2012

3 3 Map of below normal 7-day average streamflow for July 30 and Oct. 1, 2012

4 Flow Conditions at USGS gages in Minnesota current/?type=intro

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12 Summary of current streamflows for 72 USGS stream gages within Minnesota. 28 (39%) locations have flows in the lower 10 th percentile. Mostly in the northern third and south-central parts of state. 28 (39%) locations have flows in the lower 10 th percentile. Mostly in the northern third and south-central parts of state. 27 (38%) locations have flows in the th percentile 27 (38%) locations have flows in the th percentile 17 (23%) locations have flows in the th percentile. Mostly in the west-central part of state. 17 (23%) locations have flows in the th percentile. Mostly in the west-central part of state. 12

13 13 Additional Drought Resources Low-Flow Statistics Web Page Drought-related Web Page


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