The 1917 Atlantic hurricane season featured nine known tropical cyclones, four of which became tropical storms. The first system appeared on July 6 east of the Windward Islands. After crossing the isl
Tropical Storm One surface analysis 12 Jul 1917
Tropical Storm Two surface analysis 9 Aug 1917
Hurricane Three surface analysis 4 Sept 1917
Hurricane Four surface analysis 25 Sept 1917
Tropical wave
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A tropical wave, in and around the Atlantic Ocean, is a type of atmospheric trough, an elongated area of relatively low air pressure, oriented north to south, which moves from east to west across the
1917 Atlantic hurricane season
…In addition to the four systems reaching tropical storm intensity, there were five other tropical depressions. The first probably developed from a tropical wave offshore western Africa on September 12, according to historical weather maps and the Comprehensive Ocean-Atmosphere Data Set (COADS), both of which…
Tropical Storm Dorian as a tropical wave just north of Puerto Rico on July 29, 2013.
Tropical wave formation
Hurricane Sandy as a tropical wave below Hispaniola on October 20, 2012
Hurricane Harvey as a tropical wave in the Gulf of Honduras on August 21, 2017