A tropical wave (also called easterly wave, tropical easterly wave, and African easterly wave), in and around the Atlantic Ocean, is a type of atmospheric...

weakening to a tropical depression the next day. Joyce degenerated into a remnant low by September 30. On September 25, a tropical wave crossed the west...

full advisories on tropical systems at or exceeding 39 mph (63 km/h), which is tropical storm strength. A westward-moving tropical wave crossed the Caribbean...

this year developed from westward-moving African tropical waves. The season established several tropical storm records for this basin and was marked by...

downgraded to a tropical depression on March 30, and it dissipated shortly thereafter. It never affected land. On May 26, a tropical wave moved off the...

four tropical waves in quick succession in the tropical Atlantic that all eventually became tropical storms or hurricanes; it was preceded by the wave that...

end to a significant quiet period in tropical cyclone formation in the Atlantic. Originating from a tropical wave that was initially spotted in the central...

storm developed within the front. During the second week of June, a tropical wave traversing the Yucatán Peninsula commenced interacting with a trough...

being absorbed into the larger circulation of Post-Tropical Cyclone Idalia. On August 16, a tropical wave emerged into the Atlantic from the west coast of...

accidents were reported. The second tropical depression of the season developed on July 22 from a tropical wave nearly midway between the Lesser Antilles...

money and blankets the victims. A tropical wave situated about 400 mi (640 km) east of Trinidad developed into a tropical depression on July 25. The depression...

much of the Caribbean Sea and tropical Atlantic Ocean, and a favorable jet pattern for tropical waves to develop into tropical cyclones. On June 1, TSR predicted...

tropical wave led to the development of Tropical Depression Four in the southeastern Caribbean late on July 4 and further strengthened into Tropical Storm...

at 12:00 UTC on August 24. A tropical wave emerged into the Atlantic from the west coast of Africa on August 15. The wave moved westward at 17 to 23 mph...

Veracruz. The second tropical depression developed on June 24 in the northwestern Gulf of Mexico, from the interaction of a tropical wave and the remnants...

depression degenerated into an open tropical wave about 950 miles (1,530 km) east-southeast of Barbados. The tropical wave remained well defined with a well-defined...

1984 in which no hurricanes developed from tropical waves, which are the source for most North Atlantic tropical cyclones. The hurricane season officially...

period during each year when most tropical cyclones form. A majority of the season's storms formed from tropical waves between 10°N and southern coast of...

originated from a long-lived tropical wave which moved off of the coast of West Africa on October 10. It did not undergo tropical cyclogenesis until October...

attained tropical storm intensity as it made landfall in southern Nicaragua. The first named storm formed out of the interaction between tropical wave and...

modulate the timing and frequency of tropical cyclone development. Rossby waves can aid in the formation of a new tropical cyclone by disseminating the energy...

costliest tropical cyclone. On September 22, a tropical wave being monitored by the NHC emerged off the coast of West Africa into the tropical Atlantic...

gale-force winds, recognized it as a tropical storm (as opposed to a high-latitude extra-tropical cyclone, a tropical wave, or a brief squall), returned to...

A tropical wave moved off Africa's western coast on June 12, reaching the Caribbean Sea a week later and continuing across Central America. The wave spawned...

Hurricanes Arlene and Chloe, as well as several tropical depressions, originated from tropical waves that left the coast of Africa. Chloe lasted for nearly...

wind shear. The system weakened to a tropical depression early on August 19 and then degenerated into a tropical wave several hours later. Harvey's remnants...

full advisories on tropical systems at or exceeding 39 mph (63 km/h), which is the threshold for tropical storm status. A tropical wave developed into the...

a day later. In early August, a tropical wave moved across the tropical Atlantic, leading to the formation of Tropical Depression Eleven at 06:00 UTC on...

Howard had the highest ACE, measuring 29.27 x 104 kt2. A poorly defined tropical wave crossed Central America into the eastern Pacific Ocean on June 8. As...

(50 km/h) winds before the storm was absorbed by the front. A tropical wave developed into Tropical Storm Barbara over the Bahamas on August 11. It intensified...