The National Oceanic and Atmospheric Administration is issuing an especially dire forecast for tropical storm activity in the Atlantic and Caribbean basins this hurricane season. Photo: NOAA Hurricane Ike, in 2008. NOAA is predicting an active, to extremely active hurricane season this year. In a report released May 27, NOAA said that it is expecting “an active to extremely active” hurricane season. For the six-month season, which begins June 1, NOAA is projecting a 70% probability of 14 to 23 named storms with top winds of 39 mph or higher. It predicts the named storms will include eight to 14
Arch dams, classically curved monoliths situated in narrow valleys, are not as common as other types of dams, such as embankment dams and gravity dams. ENR takes a look at some of the biggest arch dams in the world, both completed and under construction.