HURRICANES make themselves heard – even under water. So why not use that sound to safely gauge how destructive a storm will be before it makes landfall?
Joshua Wilson and Nicolas Makris at the Massachusetts Institute of Technology reckoned that the frequency of the underwater din of a hurricane whipping up waves might correspond to its intensity. They took recordings made by an underwater listening device called a hydrophone placed on the floor of the mid-Atlantic during , and compared these readings with concurrent satellite data and wind speed measurements made by US military aircraft.
As Gert passed…
