JOHNSON CITY, Tenn. (WJHL) — The National Oceanic and Atmospheric Administration (NOAA) released a story map this week that details the events leading up to Hurricane Helene, the storm itself and the destruction and tragedy it left in its wake.

The story map, titled "Helene in Southern Appalachia," features interactive dashboards that display the amount of rain that fell throughout the storm and the extent of the flooding's devastation in the region.

According to the NOAA, Helene became the deadliest tropical cyclone to hit the contiguous United States since Katrina in 2005, with an estimated $78.7 billion in damages that placed Helene as the seventh-costliest U.S. tropical cyclone, with records dating back to 1980.

The Nolichucky Dam withstood nearly twice the flow of Niagara Falls, NO

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