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Unnamed hurricane of 1870 (AL061870)

Unnamed hurricane of 1870 (AL061870) was a Category 3 hurricane at its peak, with 115 mph winds and a lowest pressure of 959 mb, per NOAA's National Hurricane Center. Modeled winds reached tropical-storm force (39 mph) at one of the cities we track; the strongest was Miami, FL, with a modeled peak gust of 88 mph.

Peak strength115 mph winds (1-minute)
Category 3
Cities with tropical-storm-force windsModeled, of the cities we track
1
Landfalls
0
Lowest pressure
959 mb

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 (AL061870)’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

Modeled winds at cities (1)

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

CityPeak gustSustainedClosest passPeak
Miami, FL88 mph72 mph46 milesOct 11, 1870, 12:03 AM GMT-4:56:02

Best track (40 positions)

TimeStatusWindPressurePosition
Oct 5, 00:00 UTCTropical storm46 mph17.5°N, 74.0°W
Oct 5, 06:00 UTCTropical storm46 mph18.1°N, 75.0°W
Oct 5, 12:00 UTCTropical storm58 mph18.7°N, 76.0°W
Oct 5, 18:00 UTCTropical storm58 mph19.1°N, 77.0°W
Oct 6, 00:00 UTCTropical storm69 mph19.5°N, 78.0°W
Oct 6, 06:00 UTCTropical storm69 mph20.0°N, 79.1°W
Oct 6, 12:00 UTCCategory 1 hurricane81 mph20.5°N, 80.0°W
Oct 6, 18:00 UTCCategory 1 hurricane81 mph21.0°N, 80.4°W
Oct 7, 00:00 UTCCategory 1 hurricane92 mph21.4°N, 80.9°W
Oct 7, 06:00 UTCCategory 2 hurricane104 mph21.7°N, 81.3°W
Oct 7, 12:00 UTCCategory 3 hurricane115 mph959 mb22.1°N, 81.6°W
Oct 7, 18:00 UTCCategory 3 hurricane115 mph22.4°N, 81.9°W
Show all 40