 The 1940 Atlantic hurricane season was a generally average period of tropical cyclogenesis in 1940 . Though the season had no official bounds , most tropical cyclone activity occurred during August and September . Throughout the year , fourteen tropical cyclones formed , of which nine reached tropical storm intensity ; six were hurricanes . None of the hurricanes reached major hurricane intensity . Tropical cyclones that did not approach populated areas or shipping lanes , especially if they were relatively weak and of short duration , may have remained undetected . Because technologies such as satellite monitoring were not available until the 1960s , historical data on tropical cyclones from this period are often not reliable . As a result of a reanalysis project which analyzed the season in 2012 , an additional hurricane was added to HURDAT . The year 's first tropical storm formed on May 19 off the northern coast of Hispaniola . At the time , this was a rare occurrence , as only four other tropical disturbances were known to have formed prior during this period ; since then , reanalysis of previous seasons has concluded that there were more than four tropical cyclones in May before 1940 . The season 's final system was a tropical disturbance situated in the Greater Antilles , which dissipated on November 8 . 
 The 1940 Atlantic hurricane season was a generally average period of tropical cyclogenesis in 1940 . Though the season had no official bounds , most tropical cyclone activity occurred during August and September . Throughout the year , fourteen tropical cyclones formed , of which nine reached tropical storm intensity ; six <a href='uninflect' title='1'><mark>were</mark></a> hurricanes . <a href='None' title='2'><mark>None</mark></a> of the hurricanes reached major hurricane intensity . Tropical cyclones <a href='null_relcl' title='3'><mark>that</mark></a>did not approach populated areas or shipping lanes , especially if they <a href='uninflect' title='4'><mark>were</mark></a> relatively weak and of short duration , may <a href='been_done' title='5'><mark>have</mark></a> remained undetected . Because technologies such as satellite monitoring <a href='negative_concord' title='6'><mark>were</mark></a> <a href='negative_concord' title='7'><mark>not</mark></a>available until <a href='None' title='8'><mark>the</mark></a><a href='negative_concord' title='9'><mark>1960s</mark></a> , historical data on tropical cyclones from this period <a href='drop_aux' title='10'><mark>are</mark></a>often not reliable . As a result of a reanalysis project which analyzed the season in 2012 , an additional hurricane was added to HURDAT . The year <a href='null_genetive' title='11'><mark>'s</mark></a>first tropical storm formed on May 19 off the northern coast of Hispaniola . At the time , this was a rare occurrence , as only four other tropical disturbances <a href='uninflect' title='12'><mark>were</mark></a> known to <a href='been_done' title='13'><mark>have</mark></a> formed prior during this period ; since then , reanalysis of previous seasons <a href='been_done' title='14'><mark>has</mark></a> concluded that <a href='dey_it' title='15'><mark>there</mark></a> <a href='uninflect' title='16'><mark>were</mark></a> more than four tropical cyclones in May before 1940 . The season <a href='null_genetive' title='17'><mark>'s</mark></a>final system was a tropical disturbance situated in the Greater Antilles , which dissipated on November 8 . 
Da 1940 Atlantic hurricane season was a generally average period of tropical cyclogenesis in 1940 . Though tdaseason had no official bounds , most tropical cyclone activity occurred during August and September . Throughout the year , fourteen tropical cyclones formed , of which nine reached tropical storm intensity ; six was hurricanes . Don't none of thdaurricanes reached major hurricane intensity . Tropical cyclones did not approach populated areas or shipping lanes , especially if they was relatively weak and of short duration , may done remained undetected . cuz technologies such as satellite monitoring ain't available until no 1960s , historical data on tropical cyclones from this period often not reliable . As a result of a reanalysis project which analyzed the season in 2012 , an additional hurricane was added to HURDAT . Thedaar  first tropical storm formed on May 19 off the northern coast of Hispaniola . At the time , this was a rare occurrence , as only four other tropical disturbances was known to done formed prior durin this period ; since then , reanalysis of previous seasons done concluded that it was more den four tropical cyclones in May before 1940 . The dason  final system was a tropical disturbance situated in the Greater Antilles , which dissipated on November 8 .