Forecast Discussion


Departamento Meteorologico Aruba

Discussion valid 22/09/2021


Tropical Depression Peter was centered near
21.5N 66.1W at 22/0900 UTC or 345 km N of
San juan, Puerto Rico and moving NW at 10kt.
Maximum sustained wind speed is 30 kt with
gusts to 40 kt.

Tropical Depression Rose was near 23.4N 38.4W
at 22/0900 UTC or 1715 km WNW of the Cape Verde
Islands and moving NW near 7 kt. Maximum sustained
wind speed is 30 kt with gusts to 40 kt.


A tropical wave is in the Atlantic Ocean along
32W, from 15N southward, moving west around 10 kt.
Scattered moderate to isolated strong convection
is noted from 09N to 14N between 30 and 35W. This
system is being monitored for further developments
and has a high chance for tropical cyclone
formation during the next 48 hours.


The weak ridge of the Atlantic high pressure system
will support gentle to moderate winds in the area,
with fresh to possibly strong winds in gusts. An
upper level disturbance is inducing moisture and
unstable air in the region with possible passing
to brief showers during this forecast period and
also a slight risk of an isolated thunderstorm.

Marine conditions: Calm seas are in place on the
protected sites with tranquil to moderate seas on
the south sites. Tranquil to moderate seas are in
place over the east to northwest coastal regions.
Seas are here in the range of 3 to 4 feet.

Next update will be issued 23/09/2021