All Weather News

Atlantic Low Being Monitored For Tropical Development

18 Apr 2017, 1:42 pm

A low pressure center in the Central Atlantic is being monitored by the National Hurricane Center (NHC) for potential tropical development. The NHC gives the system a 30% chance to develop into a subtropical cyclone.

A subtropical low has characteristics of both a tropical system and regular extra-tropical low pressure center. Subtropical lows requires thunderstorms near the center and warm temperatures in the middle levels of the atmosphere. A fully tropical low would have warming near the center at all levels. Common low pressure systems (extra-tropical) have cold temperatures at their core.

The low is producing showers and thunderstorms and gusty winds, broadly swirling around a closed center. There is a larger low pressure center and front that is advancing through the Atlantic Ocean and may absorb the system before it is able to develop. For April, there have only been five tropical systems on record. Three were tropical depressions, one a tropical storm, and one a subtropical low.

For WeatherNation: Meteorologist Mace Michaels

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