Dates of first Atlantic tropical cyclones

The Dates of first Atlantic tropical cyclones for seasons in recorded history.

Where possible,this article lists when the season's first tropical depression formed,when the first tropical or subtropical storm reached storm strength,and when the first hurricane reached hurricane strength.

Where not possible,some approximations are noted.

Seasons
Format is Depression date/storm date/hurricane date


 * 1780:?/?/June 13?
 * 1781:?/?/by August 1
 * 1782:?/?/by September 16
 * 1783:?/?/by September 19
 * 1784:?/?/by July 30
 * 1785:?/?/by August 24
 * 1786:?/?/by September 2
 * 1787:?/?/by September 2
 * 1788:?/?/by July 24
 * 1789,1790:NO STORMS RECORDED


 * 1791:?/?/June 21?
 * 1792:?/?/by August 1
 * 1793:?/?/by August 13
 * 1794:?/by June 27/July 27?
 * 1795:?/?/by August 2
 * 1796:?/?/by October 2
 * 1797:?/?/by September 5
 * 1798:NO STORMS RECORDED
 * 1799:?/?/by September 23


 * 1800:?/?/by August 10
 * 1801:?/?/by July 22
 * 1802:?/?/by October 6
 * 1803:?/?/"August"
 * 1804:?/?/by August 18
 * 1805:?/?/by July 27
 * 1806:?/?/by August 17
 * 1807:?/by July 25/by October 16?
 * 1808:?/?/by September 12
 * 1809:?/by August 1/by August 17?


 * 1810:?/by July 30/by August 12
 * 1811:?/?/by September 10
 * 1812:?/by June 5/Unclear...definitely by August 19
 * 1813:?/?/by July 22
 * 1814:?/?/by July 1
 * 1815:?/?/by September 3
 * 1816:?/?/by June 5
 * 1817:?/?/by August 1
 * 1818:?/?/by August 26
 * 1819:?/?/by July 27


 * 1820:?/?/by September 8
 * 1821:?/by September 1/by September 1
 * 1822:?/?/by July 7
 * 1823:?/?/by July 8
 * 1824:?/?/by September 7
 * 1825:?/by May 28/by June 2?
 * 1826:?/?/by August 27
 * 1827:?/?/by August 17
 * 1828:?/?/by September 15
 * 1829:?/by July 9/by September 10


 * 1830:?/?/by August 3
 * 1831:?/by June 10/by June 22
 * 1832:?/?/by June 5
 * 1833:?/?/by "late August"
 * 1834:?/?/by September 4
 * 1835:?/?/by August 12
 * 1836:?/?/unknown date
 * 1837:?/by July 9/shortly after July 26?
 * 1838:?/?/by September 7
 * 1839:?/?/by August 28


 * 1840:?/by June 19/unknown date
 * 1841:?/by September 14/"early October"
 * 1842:?/?/by July 12
 * 1843:?/?/by September 13
 * 1844:?/by June 11/by August 4
 * 1845:NO STORMS RECORDED
 * 1846:?/?/by April 3?...if non-tropical,then by September 8
 * 1847:?/?/by October 11
 * 1848:?/by August 18/by August 19?
 * 1849:?/by August?/by September 13


 * 1850:?/?/by July 18