Moderate to heavy showers, accompanied by thunder and lightning.

The gaseous portion of a planet; the planet's envelope of air; one of the traditional subdivisions of the earth's physical environment.

Transport of cold air into a region by horizontal winds.

A severe tropical cyclone having winds in excess of 64 knots.

Variable cloudy with occasional showers','forecast.html','','','newsTxt0'); theNews.addItem('Surface trough across the central Caribbean','news.html','','','newsTxt1'); theNews.construct(); theNews.startScroll(); // End -->

Motion in a clockwise manner in the northern hemisphere and motion in an anticlockwise manner in the southern hemisphere.

An atmospheric closed circulation rotating counter-clockwise in the Northern Hemisphere and clockwise in the Southern Hemisphere.

The portion of the year having a relatively high indidence of hurricanes. The hurricane season in the Atlantic, Caribbean, and Gulf of Mexico runs from June 1 to November 30. The hurricane season in the Eastern Pacific basin runs from May 15 to November 30. The hurricane season in the Central Pacific basin runs from June 1 to November 30.

A two-dimensional surface containing points of equal potential temperature.

A line connecting points of equal pressure.