A strange hurricane is forming and it’s doing something no other storm has in over 75 years

Hurricane Alex on Jan. 14 at 10:30 a.m. EST in the central Atlantic Ocean NASA Goddard MODIS Rapid Response

A low pressure system in the Atlantic has strengthened rapidly from a tropical storm to become Hurricane Alex.

The new Atlantic hurricane is the first one to form this early (in January) since 1938, NASA says, citing the National Hurricane Center (NHC).

Alex’s maximum sustained winds are close to 85 mph, with higher gusts possible. According to The Atlantic, the storm could bring flash floods and mudslides, as well as large, dangerous waves near the coast.

A hurricane warning has been issued for several islands off of Portugal including Faial, Pico, Sao Jorge, Graciosa, and Terceira in the central Azores, and a tropical storm warning is in effect for the islands of Sao Miguel and Santa Maria in the eastern Azores.

The view from satellites

The earliest view of the storm from NASA satellites measured the strongest sustained winds at close to 60.4 mph northwest of the storm’s center. Within eight hours, the strongest winds reached 67.1 mph and shifted east of the storm’s center. Those winds are what later developed into tropical storm Alex.

By 10 a.m. EST on Thursday, Alex had hurricane-force winds reaching 25 miles out from its center, with tropical storm-force winds reaching up to 150 miles out. This animation shows Alex as it was beginning to form:

Hurricane alex 2

An unusually early hurricane

Alex is not just the first Atlantic hurricane to form in January, it’s also the first North Atlantic hurricane to thrive in January since Hurricane Alice in 1955, which formed on Dec. 30, 1954, said NASA.

According to the NHC, the Atlantic hurricane season typically runs from June 1 to November 30, and the first named storm normally appears in July.

Rb animated

NHC forecaster Richard Pasch told NASA that it’s very unusual for a hurricane to form over water that’s 20 degrees Celsius (68 degrees Fahrenheit), but the lowest layer of the atmosphere is currently estimated to be about -60 C (-76 F), which is a lot colder than the tropical average. The instability this creates is likely what caused Alex to form and intensify so early, Pasch said.

As of 10 a.m. Thursday, Alex was located south of the Azores at latitude 31.5 North, longitude 28.4 West and moving north-northeast at around 20 mph. If the storm follows the current forecast track, its center will move near or over parts of the Azores Friday morning, NASA said.

After that, it’s expected to head toward Greenland.

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