Skip to content

NHC AL091870 · Atlantic basin

Unnamed Hurricane of 1870

October 19, 1870 – October 22, 1870

Data: NOAA NHC HURDAT2 and NOAA SPC tornado and hail reports, through 2025 · Updated

Hurricane Unnamed 1870 storm peaked at Category 2 with 104 mph sustained winds and passed within 75 miles of 102 US cities, 88 of them while still at hurricane strength.

The 1870 storm in the record

HURDAT2 tracks the unnamed storm of 1870 (AL091870) from October 19, 1870 to October 22, 1870; its peak was 104 mph (Category 2). HURDAT2 marks a landfall within 50 miles of a US city on this site: on October 20 at 92 mph (Category 1), 7 miles from Marco Island, FL. Its centre passed within 75 miles of 102 US cities, all in Florida. The strongest pass was 92 mph (Category 1) 7 miles from Marco Island, FL; the centre came closest to Immokalee, FL, less than a mile away.

Peak strength
Category 2

104 mph

Cities within 75 mi
102
At hurricane strength
88

when closest

States
1

Cities Unnamed 1870 storm passed near, strongest first

Florida (102)

and 42 more

Other storms of the 1870 season

About this record

The track is the National Hurricane Center's best-track record, revised after the season with every observation available. Strength at a city is the sustained wind on the track at the closest point, not the wind that city measured.