The unnamed hurricane of 1870

Jul 30, 1870 to Jul 30, 1870Peak 81 mph

The unnamed hurricane of 1870 passed within 50 miles of 11 counties in 3 states. It was strongest near Mobile County, AL, as a Category 1 on July 30, 1870.

Major hurricane
Hurricane
Tropical storm
Post-tropical

Watch how it happened

The storm

Peak strength: Category 1; 81 mph, 70 kt
Counties within 50 miles: 11; AL, FL, MS
Counties within 100 miles: 30; AL, FL, LA, MS
Strongest near the U.S.: Category 1; Mobile County, AL, 1.6 mi, Jul 30, 1870
Landfalls recorded: 1; Anywhere on the track

Every county it passed

Closest approach to each county boundary, with the storm’s strength at that moment.

Counties within 100 miles

Mobile County	AL	1.6	Category 1	Jul 30, 1870
Baldwin County	AL	3.9	Category 1	Jul 30, 1870
Jackson County	MS	25.7	Category 1	Jul 30, 1870
George County	MS	29.4	Category 1	Jul 30, 1870
Escambia County	FL	31.9	Category 1	Jul 30, 1870
Escambia County	AL	41.3	Category 1	Jul 30, 1870
Greene County	MS	42.7	Category 1	Jul 30, 1870
Santa Rosa County	FL	44.0	Category 1	Jul 30, 1870
Washington County	AL	44.5	Category 1	Jul 30, 1870
Clarke County	AL	47.7	Category 1	Jul 30, 1870
Harrison County	MS	49.7	Category 1	Jul 30, 1870
Stone County	MS	54.0	Category 1	Jul 30, 1870
Monroe County	AL	55.7	Category 1	Jul 30, 1870
Perry County	MS	57.1	Category 1	Jul 30, 1870
St. Bernard Parish	LA	60.6	Category 1	Jul 30, 1870
Conecuh County	AL	62.8	Category 1	Jul 30, 1870
Wayne County	MS	69.9	Category 1	Jul 30, 1870
Okaloosa County	FL	71.9	Category 1	Jul 30, 1870
Forrest County	MS	73.3	Category 1	Jul 30, 1870
Hancock County	MS	79.8	Category 1	Jul 30, 1870
Pearl River County	MS	80.4	Category 1	Jul 30, 1870
Choctaw County	AL	83.0	Category 1	Jul 30, 1870
Covington County	AL	84.6	Category 1	Jul 30, 1870
Jones County	MS	85.3	Category 1	Jul 30, 1870
Lamar County	MS	87.5	Category 1	Jul 30, 1870
St. Tammany Parish	LA	93.9	Category 1	Jul 30, 1870
Wilcox County	AL	94.4	Category 1	Jul 30, 1870
Walton County	FL	95.8	Category 1	Jul 30, 1870
Butler County	AL	98.7	Category 1	Jul 30, 1870
Orleans Parish	LA	99.8	Category 1	Jul 30, 1870

Distances are measured from hourly positions interpolated between the National Hurricane Center’s six-hourly fixes to each county boundary. Strength is shown only where the storm was still tropical. Methodology.

National Hurricane Center HURDAT2. Storm totals cover the Atlantic and Northeast and Central Pacific basins.