Forecast Discussion

Forecast valid from 18/10/2017 to 19/10/2017

Departamento Meteorologico Aruba



...TROPICAL WAVES E of 70 W...

A tropical wave extends from 06N59W to 15N59W moving W at 10-15
kt. Scattered moderate convection is from 08N-13N between 52W-61W.

A tropical wave extends from 08N66W to 17N66W moving W at 10-15
kt. Isolated moderate convection is from 11N-18N between 62W-69W.


An upper level anticyclone is centered over the western Caribbean
near 17N80W and is providing mostly dry air aloft between 70W-
80W. Scattered showers and strong tstms are occurring S of 14N W
of 79W in association with a tropical wave along 83W. Widely
scattered showers and isolated tstms are also N of 16N W of 84W.
Farther east...another tropical wave along 66W is providing for
widely scattered showers and tstms between 62W-67W...while a
third tropical wave remains to the E of Windward Islands along
59W. The third wave carries more active convection that is
expected to impact the Lesser Antilles Wednesday through early
Thursday. Elsewhere...moderate to fresh trades prevail and are
expected to persist through Wednesday...gradually increasing
across the eastern and central Caribbean by Wednesday night as
the pressure gradient strengthens.

Next update will be issued 18/10/2017 16:00UTC