Unnamed hurricane of 1870 (AL011870)
Unnamed hurricane of 1870 (AL011870) was a Category 1 hurricane at its peak, with 81 mph winds, per NOAA's National Hurricane Center. Modeled winds reached tropical-storm force (39 mph) at 4 of the cities we track; the strongest was Pensacola, FL, with a modeled peak gust of 76 mph.
- Peak strength81 mph winds (1-minute)
- Category 1
- Cities with tropical-storm-force windsModeled, of the cities we track
- 4
- LandfallsFirst July 30, 1870
- 1
- 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+)
The shaded areas are where our model puts Unnamed hurricane of 1870 (AL011870)’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
- July 30, 1870, Category 1 at 81 mph, about 13 miles from Mobile, AL
Modeled winds at cities (4)
Estimated peak winds for open, flat ground at each city’s center. Not measurements. How we model hurricane winds
| City | Peak gust | Sustained | Closest pass | Peak |
|---|---|---|---|---|
| Pensacola, FL | 76 mph | 62 mph | 48 miles | Jul 30, 1870, 1:03 PM GMT-4:56:02 |
| Gulfport, MS | 67 mph | 54 mph | 64 miles | Jul 30, 1870, 12:09 PM GMT-5:50:36 |
| Crestview, FL | 55 mph | 45 mph | 86 miles | Jul 30, 1870, 1:03 PM GMT-4:56:02 |
| Mobile, AL | 53 mph | 43 mph | 13 miles | Jul 30, 1870, 12:09 PM GMT-5:50:36 |
Best track (1 positions)
| Time | Status | Wind | Pressure | Position |
|---|---|---|---|---|
| Jul 30, 18:00 UTC (landfall) | Category 1 hurricane | 81 mph | 30.5°N, 88.0°W |