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Unnamed hurricane of 1870 (AL091870)

Unnamed hurricane of 1870 (AL091870) was a Category 2 hurricane at its peak, with 104 mph winds, per NOAA's National Hurricane Center. Modeled winds reached tropical-storm force (39 mph) at 6 of the cities we track; the strongest was Naples, FL, with a modeled peak gust of 80 mph.

Peak strength104 mph winds (1-minute)
Category 2
Cities with tropical-storm-force windsModeled, of the cities we track
6
LandfallsFirst October 20, 1870
2
Lowest pressure
Not recorded

Track, wind field and cities

Select a piece of the track or a city for details.

  • Depression or weaker
  • Tropical storm
  • Hurricane, Category 1 or 2
  • Major hurricane, Category 3 to 5
  • Landfall
  • City (larger ring, stronger modeled gust)
  • Modeled wind field, 39 to 111 mph sustained (darker, stronger; orange 111 mph+)
Source: NOAA/NWS National Hurricane Center best track (HURDAT2). City winds and the wind field are modeled.

The shaded areas are where our model puts Unnamed hurricane of 1870 (AL091870)’s sustained winds over open land at 39 mph or more (tropical-storm force), 58, 74 (hurricane force) and 111 mph (major hurricane force) at some point along its track. Modeled, not measured. How we model hurricane winds

Landfalls

  1. October 20, 1870, Category 1 at 92 mph, 24.7°N, 82.8°W
  2. October 20, 1870, Category 1 at 92 mph, about 10 miles from Naples, FL

Modeled winds at cities (6)

Estimated peak winds for open, flat ground at each city’s center. Not measurements. How we model hurricane winds

CityPeak gustSustainedClosest passPeak
Naples, FL80 mph65 mph7 milesOct 20, 1870, 2:18 PM GMT-4:56:02
Cape Coral, FL69 mph56 mph39 milesOct 20, 1870, 3:48 PM GMT-4:56:02
Port St. Lucie, FL69 mph56 mph2 milesOct 20, 1870, 8:33 PM GMT-4:56:02
Miami, FL53 mph43 mph84 milesOct 20, 1870, 5:33 PM GMT-4:56:02
North Port, FL51 mph42 mph67 milesOct 20, 1870, 4:18 PM GMT-4:56:02
Palm Bay, FL49 mph40 mph44 milesOct 20, 1870, 10:18 PM GMT-4:56:02

Best track (18 positions)

TimeStatusWindPressurePosition
Oct 19, 00:00 UTCCategory 2 hurricane104 mph19.5°N, 84.1°W
Oct 19, 06:00 UTCCategory 2 hurricane104 mph19.9°N, 84.0°W
Oct 19, 12:00 UTCCategory 2 hurricane104 mph20.4°N, 84.0°W
Oct 19, 18:00 UTCCategory 2 hurricane104 mph21.1°N, 83.9°W
Oct 20, 00:00 UTCCategory 2 hurricane104 mph22.0°N, 83.7°W
Oct 20, 06:00 UTCCategory 1 hurricane92 mph23.1°N, 83.5°W
Oct 20, 12:00 UTCCategory 1 hurricane92 mph24.3°N, 83.1°W
Oct 20, 14:00 UTC (landfall)Category 1 hurricane92 mph24.7°N, 82.8°W
Oct 20, 18:00 UTCCategory 1 hurricane92 mph25.5°N, 82.3°W
Oct 20, 20:00 UTC (landfall)Category 1 hurricane92 mph26.0°N, 81.8°W
Oct 21, 00:00 UTCCategory 1 hurricane81 mph26.7°N, 81.1°W
Oct 21, 06:00 UTCTropical storm69 mph27.9°N, 79.7°W
Show all 18