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Example graph of stream stages showing Action Stage, Flood Stage, Moderate Stage, Major Stage, and Record Stage on a river.. Flood stage is the water level, as read by a stream gauge or tide gauge, for a body of water at a particular location, measured from the level at which a body of water threatens lives, property, commerce, or travel. [1]
The flood event first began in southwestern West Virginia on July 26. In Mingo County, the Gilbert Creek area along the Kentucky/Virginia/West Virginia border had several homes impacted and several bridges washed out, limiting access to some areas. [7] [8] More flooding occurred in nearby McDowell County as well, in addition to other areas.
John H. Kerr Dam is concrete gravity-dam located on the Roanoke River in Virginia, creating Kerr Lake. The dam was built by the U.S. Army Corps of Engineers between 1947 and 1953 for the purposes of flood control, and hydropower. The dam also serves wildlife resources, forest conservation, and public recreational uses.
In Frederick County, three people were killed when they attempted to cross the flood waters from Middle Creek. [8] Also in Frederick County, a 14-year-old boy and a 16-year-old boy drowned while swimming in a swollen creek that feeds into the Monocacy River. On July 4 in Prince George's County, the body of a 22-year-old man was recovered.
The office also issued two county-wide flood warnings and 43 flood warnings and flood statements for various river basins. [7] The Virginia Emergency Management Agency was activated on September 15, about three days prior to Isabel making landfall and entering the state.
The National Oceanic and Atmospheric Administration (NOAA / ˈ n oʊ. ə / NOH-ə) is an American scientific and regulatory agency charged with forecasting weather, monitoring oceanic and atmospheric conditions, charting the seas, conducting deep-sea exploration, and managing fishing and protection of marine mammals and endangered species in the US exclusive economic zone.
One is a flash flood watch, which means that conditions are favorable for flash flooding, and the other is a flash flood warning, meaning that a flash flood is occurring or one will occur imminently and is usually issued when there are strong weather radar echoes for an area that is prone to flash flooding. [2]
Flash flood emergency FFS – A flash flood emergency is a high-end usage of the flash flood warning. The flash flood emergency term is used when widespread flooding is occurring, and either, multiple water rescues have been reported in the past few hours, or if highly populated regions are undergoing significant flash flooding likely to cause ...