Major Hurricane Epsilon 2020

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Satellite images and tracking maps of Category 3 Major Hurricane Epsilon 2020, October 16 - 26. Max wind speed 115mph.

Recent satellite-derived wind data indicate that Epsilon no longer has the structure of a tropical cyclone. The low-level circulation is stretched out along a north-south axis, with an area of lighter winds noted near and north of the ill-defined center. Furthermore, infrared cloud tops have warmed over the past several hours as convection wanes near the center. Therefore, Epsilon has been declared a post-tropical cyclone, and this will be the last NHC advisory for the system.

A partial 22:00 UTC ASCAT-A overpass showed at least 55-knot winds in the southern semicircle of the cyclone, which supports keeping the initial intensity at 60 knots. Post-tropical Epsilon is firmly embedded in the mid-latitude westerlies, and the cyclone will continue racing northeastward at around 35-40 knots for the next day or so. The cyclone will remain a very powerful and dangerous storm until it is absorbed by another large extratropical low pressure system over the northeastern Atlantic. The global models remain in very good agreement with this scenario, and no notable changes were made to the official NHC forecast.

Additional information on this system can be found in High Seas Forecasts issued by the National Weather Service, under AWIPS header NFDHSFAT1, WMO header FZNT01 KWBC, and online at https://ocean.weather.gov/shtml/NFDHSFAT1.php

Forecaster Reinhart/Zelinsky. Information provided by the National Hurricane Center (NHC).

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