HURRICANE HILDA, 1964

III. DEGRADATION OF THE HURRICANE

HARRY F. HAWKINS National Hurricane Research Laboratory, Research Laboratories, ESSA, Miami, Fla.

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DARYL T. RUBSAM National Hurricane Research Laboratory, Research Laboratories, ESSA, Miami, Fla.

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Abstract

As hurricane Hilda approached the Louisiana coast it began to entrain more and more of the cool dry air situated over the continent. This resulted in a diminution of the storm to a lesser level of intensity while the center was still well offshore. A much more rapid increase in central pressure occurred after the eye passed inland and the supply of oceanic moisture and heat became inadequate to support a hurricane. Finally, the storm rapidly acquired extratropical characteristics and moved eastward off the southeastern coast.

Abstract

As hurricane Hilda approached the Louisiana coast it began to entrain more and more of the cool dry air situated over the continent. This resulted in a diminution of the storm to a lesser level of intensity while the center was still well offshore. A much more rapid increase in central pressure occurred after the eye passed inland and the supply of oceanic moisture and heat became inadequate to support a hurricane. Finally, the storm rapidly acquired extratropical characteristics and moved eastward off the southeastern coast.

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