Forecast Discussion

Forecast valid from 21/11/2018 to 22/11/2018

Departamento Meteorologico Aruba




Upper level anticyclonic wind flow spans the entire area from 64W
westward. An upper level trough. An upper level trough extends
from NE Venezuela beyond 13N57W, into the Atlantic Ocean. A
middle level inverted trough covers the SW corner of the area, and
the NW corner of the Caribbean Sea. A 700 mb inverted trough is
along 80W from 18N southward to Panama.

Comparatively drier air in subsidence is apparent in water vapor
imagery from 09N to 24N between 55W and 68W/69W, covering parts
of the Caribbean Sea and the Atlantic Ocean.

The monsoon trough is along 08N/10N between 73W in Colombia and
86W in NW Costa Rica, and beyond into the eastern Pacific Ocean.
Isolated moderate to locally strong rainshowers are from 12N
southward from 76W westward. Scattered moderate to strong
rainshowers are within 150 nm of the coast of Panama between 80W
and 83W. Rainshowers are possible elsewhere from 12N southward
from 76W westward. High-level clouds are moving northward, in the
inland areas and coastal plains/coastal waters of Nicaragua and

Fresh to occasionally strong winds will continue along the coast
of Colombia through Thursday. Trade winds are expected to subside
on Friday. Large long period NE swell in the Atlantic Ocean will
continue to impact the waters that are to the east of the Lesser
Antilles through tonight.

Next update will be issued 22/11/2018