September 3, 2022 - Intensifying Tropical Storm Danielle

Danielle
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The sleepy 2022 Atlantic hurricane season finally came to a belated
start on September 2 when Tropical Storm Danielle’s winds increased to
75 mph (121 km/h), placing it as a Category One hurricane on the
Saffir-Simpson Hurricane Wind Scale—and winning the title of the first
hurricane to form over the Atlantic in 2022.

The Atlantic hurricane season begins on June 1 to November 30, and
encompasses all of the Atlantic basin: the Atlantic Ocean, Caribbean
Sea, and Gulf of Mexico. The first tropical storm of 2022 was Alex,
which brought copious rain to Southern Florida, U.S.A, and Cuba even
before strengthening to tropical storm strength on June 6. The first
Atlantic hurricane tends to form in early to mid-August, with major
hurricanes tending to form in late August or early September. Two other
names storms have formed this year, with Tropical Storm Bonnie in June
and Tropical Storm Colin appearing in early July. August passed without
a single name storm—for the first time since 1997 and only the second
time since 1967.

The National Hurricane Center (NHC) issued its first advisory on the
system that would become Danielle at 5:00 a.m. EDT on September 1,
stating that a new tropical depression had formed about 975 miles
(1,575 km) west of the Azores. At that time maximum sustained winds had
reached 35 mph (55 km/h) and the depression was moving
east-northeastward. Danielle began to strengthen rapidly, becoming a
Tropical Storm at 11:00 a.m. EDT that same day. Twenty-four hours
later, at 11:00 a.m. EDT on September 2, the NHC advised that the first
hurricane of the Atlantic Season had formed, and its name was Hurricane
Danielle. At that time, Danielle was located about 885 miles (1,425 km)
west of the Azores and was moving westward at a very slow 1 mph (2
km/h).

As of the 11:00 p.m. EDT on September 2, the NHC advises that Hurricane
Danielle remains stationary over the Atlantic Ocean at about 895 miles
(1,445 km) west of the Azores. Maximum sustained winds remain at 75 mph
(120 km/h). The storm is expected to “strengthen a little during the
next couple of days” as it drifts slowly westward. No coastal warnings
are in effect.

The Moderate Resolution Imaging Spectroradiometer (MODIS) on board
NASA’s Aqua satellite acquired a true-color image of newly-formed
Tropical Storm Danielle as it strengthened over the open Atlantic west
of the Azores on September 1. Although Danielle appeared ragged,
convective bands could be seen wrapping around a cloud-filled eye,
giving the storm the apostrophe-shape that is a common hallmark of
strengthening storms.

Image Facts
Satellite: Aqua
Date Acquired: 9/1/2022
Resolutions: 1km (1.3 MB), 500m (4 MB),
Bands Used: 1,4,3
Image Credit: MODIS Land Rapid Response Team, NASA GSFC



https://modis.gsfc.nasa.gov/gallery/individual.php?db_date=2022-09-03

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