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Posts Tagged ‘Hurricane GRETA’

FEWW New Hurricane Scale

Posted by feww on September 3, 2008

FEWW New Hurricane Scale Makes Hurricane Classification More Meaningful!

FEWW’s New Hurricane Scale is based on the Saffir-Simpson Hurricane Scale and provides a more detailed definition of hurricane forces.

Size Description

To make the classification of tropical cyclones even more descriptive, FIRE-EARTH recommends the addition of following suffixes for storm size to denote the category:

  • Midget hurricanes (m). With the average radius from the storm’s center of circulation to its outermost closed isobar (ROCI) in four quadrants measuring less than two degrees of latitude [222.2 km or 138.1 miles.]
  • Small. Small Hurricanes (s).  ROCI measuring between 2 and 3 degrees of latitude [222km< ROCI< 333km]
  • Regular. Average Hurricanes (r). ROCI measuring between 3 and 6 degrees of latitude [333km< ROCI< 667km]
  • Large. Large Hurricanes (g). ROCI of between 6 and 8 degrees of latitude [667km< ROCI< 889km]
  • Monster. Very Large Hurricanes (x). ROCI of larger than 8 degrees of latitude [ROCI> 889km]

Example: Hurricane GRETA, with ROCI of 960km, the largest ever recorded Atlantic hurricane, which reached a maximum sustained winds of about 225km/h on November 5, 1956 may be represented as a Monster hurricane, or 4Ax category hurricane on the FEWW New Hurricane Scale.

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