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Assessing Lake Storage to Accommodate Flooding in Burned Areas of Coconino County, Arizona –USGS, in cooperation with Coconino County, Arizona, and the U.S. Forest Service, used geophysical surveys and boreholes to assess storage capacity at Cinder Lake, which was used to capture flood waters resulting from massive fires northeast of Flagstaff that burned more than 15,000 acres. The flooding in areas downgradient of the burn resulted in extensive damage to private lands and residences, municipal water lines, and roads. Channels were built to move the waters away from communities into Cinder Lake. USGS techniques helped the County to determine how much could be diverted and stored in the underlying cinder deposits and alluvial deposits. (Full report)
Potential for Debris Flows in High Park Area, Colorado –USGS, in cooperation with the Colorado Department of Transportation, details the probability and volumes of potential debris flows associated with the High Park wildfire. The report presents a preliminary emergency assessment of the debris-flow hazards on structures, roads, bridges and culverts, as well as results of models developed to estimate the probability of potential debris-flow along with associated volumes of debris flows. The models were developed using data collected throughout the intermountain west, and are driven by topographic parameters, soil conditions, the severity of the burn and expected precipitation. (Technical announcement))
Real-time Alerts for Flooding and Droughts across the Nation –Sign up for "Project Alerts" to keep up with USGS scientists as they respond to floods, droughts, and chemical spills. These "real time" notifications are official, and yet informal, and describe flood, drought, or water quality conditions across the country, as well as how USGS field crews are responding to the event. Stay up-to-date on flows in flooded streams, drought-depleted groundwater, water quality in a lake, stream, or well, and deployment of USGS storm surge sensors in anticipation of a hurricane. A link to the RSS feed and the web archive can be found at http://water.usgs.gov/alerts/. (Press release)
Post-wildfire debris flows near Marble, Colorado –USGS, in cooperation with Gunnison County, released a report and empirical models derived from statistical evaluation of data collected from burned basins throughout the intermountain western United States to estimate the probability of post wildfire debris-flow occurrence and debris-flow volumes for drainage basins occupied by Carbonate, Slate, Raspberry, and Milton Creeks near Marble, Colorado.