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Johnstown Western Pennsylvania Storm And Floods Of July 19 20 1977

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Johnstown Western Pennsylvania Storm And Floods Of July 19 20 1977

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Author : Geological Survey (U.S.)
language : en
Publisher:
Release Date : 1982

Johnstown Western Pennsylvania Storm And Floods Of July 19 20 1977 written by Geological Survey (U.S.) and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1982 with Floods categories.

Johnstown Pennsylvania Flash Flood Of July 19 20 1977

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Author : United States. National Oceanic and Atmospheric Administration
language : en
Publisher:
Release Date : 1977

Johnstown Pennsylvania Flash Flood Of July 19 20 1977 written by United States. National Oceanic and Atmospheric Administration and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1977 with Floods categories.

Meteorological Analysis Of The Johnstown Pennsylvania Flash Flood 19 20 July 1977

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Author : Lee R. Hoxit
language : en
Publisher:
Release Date : 1978

Meteorological Analysis Of The Johnstown Pennsylvania Flash Flood 19 20 July 1977 written by Lee R. Hoxit and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1978 with Johnstown (Cambria County, Pa.) categories.

Synoptic and mesoscale analyses of the meteorological conditions that produced disastrous flash flooding in the Johnstown, PA., region on July 19-20, 1977, are presented. Detailed rainfall analyses based on surface rain gauges, National Weather Service (NWS) radar, and satellite rainfall estimation techniques are also shown. Dynamic processes associated with a weak short-wave trough triggered and maintained widespread thunderstorm activity over Pennsylvania and New York during the afternoon and evening of July 19. Two major squall lines moved across Pennsylvania. The western extension of the outflow boundary produced by the second squall line became quasi-stationary in western Pennsylvania, and appeared to be the primary feature that focused the heavy rainfall over a relatively small region. Warm, moist air was lifted over the rain-cooled air lying north and east of the boundary, triggering new storms in the same general region. The storms repeatedly moved southeastward over the Conemaugh River Basin, producing 8- to 9-h rainfalls of up to 12 in.

U S Geological Survey Professional Paper

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Author :
language : en
Publisher:
Release Date : 1980

U S Geological Survey Professional Paper written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1980 with Geology categories.

Geological Survey Professional Paper

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Author :
language : en
Publisher:
Release Date : 1982

Geological Survey Professional Paper written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1982 with Geology categories.

Summary Of Significant Floods In The United States Puerto Rico And The Virgin Islands 1970 Through 1989

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Author : Charles A. Perry
language : en
Publisher: Geological Survey (USGS)
Release Date : 2001

Summary Of Significant Floods In The United States Puerto Rico And The Virgin Islands 1970 Through 1989 written by Charles A. Perry and has been published by Geological Survey (USGS) this book supported file pdf, txt, epub, kindle and other format this book has been release on 2001 with Nature categories.