Forecast Discussion



10/20/2017
Forecast valid from 19/10/2017 to 20/10/2017

Departamento Meteorologico Aruba http://www.meteo.aw

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

A tropical wave extends from 08N35W to 16N34W moving W at 10-15
kt. Scattered moderate convection is from 09N-17N between 28W-38W.

A tropical wave extends from 07N63W to 16N63W moving W at 5-10
kt. Widely scattered moderate convection is from 08N- 16N
between 58W-65W.

...CARIBBEAN SEA...

An upper level anticyclone is centered over Honduras near 16N85W
providing an overall divergent environment over the western
Caribbean W of 80W. Scattered showers and strong tstms are
occurring generally W of 80W beneath the upper level feature...
however in addition a tropical wave along 85W continues to
provide focus for the convective activity as well. To the
east of the tropical wave...the monsoon trough extends
along 10N with scattered showers and strong tstms
occurring S of 12N between 72W-83W...including
inland portions of northern Colombia and Panama.

The remainder of the central and eastern Caribbean features two
tropical waves mentioned above. Scattered showers and isolated
tstms stretch from the southern adjacent coastal waters of
Hispaniola southeastward to the Lesser Antilles and across
Trinidad and Tobago.

Elsewhere...fresh to strong trades prevail E of 76W and are
expected to gradually expand westward through Sunday as the
pressure gradient strengthens from high pressure anchored
across the western North Atlc.

Next update will be issued 20/10/2017 16:00UTC