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<br />91 <br /> <br />Summer <br /> <br />Unfamiliarity among staff of hydrologic operations <br /> <br />2) <br /> <br />~ <br /> <br />~ <br />I <br />~ <br /> <br />Inadequate radar coverage for precipitation estimates <br /> <br />Lack of site-specific information and conveyance of the urgency of the <br />event in warnings, <br /> <br />3) <br /> <br />4) <br /> <br />warning dissemination-NOAA Weather Radio <br /> <br />5) Insufficient <br /> <br />and <br /> <br />capable of <br /> <br />Need for increased local awareness and preparedness activities <br /> <br />Difficulties in accurately forecasting excessive rainfall <br />producing flash flooding. <br /> <br />6) <br /> <br />7) <br /> <br />Eastern Region Flood Events <br /> <br />Six recent floods that occurred in the eastern United States were selected <br />for analysis. The events all share the common features of being associated <br />with significant flood-related deaths and/or damage and also provide a cross- <br />section of the types of flash flooding experienced in the East. They include: <br />events with tropical origins; those resulting from slow-moving or training of <br />thunderstorms; prolonged heavy rainfall events; terrain-enhanced rainfall: and <br />wintertime events as a result of both rainfall and melting snows <br />The events chosen for analysis are: <br /> <br />1982 Southern New England floods <br /> <br />June <br /> <br />1) <br /> <br />Appalachians <br /> <br />November 1985 flood in central <br /> <br />2) <br /> <br />1986 Little Pine Creek flash flood; <br /> <br />May <br /> <br />3) <br /> <br />June 1990 Shadyside, Ohio. flash flood <br /> <br />4) <br /> <br />1995 Madison County, Virginia flash flood; and <br /> <br />June <br /> <br />5) <br /> <br />Northeastern U.S <br /> <br />1996 floods <br /> <br />January <br /> <br />6) <br /> <br />The June 1982 Southern New England Floods <br /> <br />Synopsis: Prolonged and excessive rainfall that fell from June 4-6, 1982, <br />caused severe, and in some cases, record, flooding in southern New England. <br />The major damage occurred along small streams in coastal Connecticut and <br />Rhode Island, where 48-hour rainfall amounts exceeded 12 inches, with one <br />unofficial report of 17 inches. There were 12 deaths attributed to the flooding <br />in Connecticut, and three in Rhode Island. Damage estimates from this event <br />were $277 million in Connecticut and $3.3 million in Rhode Island. More <br />