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The unnamed hurricane of 1866

Jul 11, 1866 to Jul 16, 1866Peak 104 mph

The unnamed hurricane of 1866 passed within 50 miles of 24 counties in TX. It was strongest near Calhoun County, TX, as a Category 2 on July 15, 1866.

  • Major hurricane
  • Hurricane
  • Tropical storm
  • Post-tropical
Watch how it happened

Unnamed hurricane · 1866

How it happened

Follow the storm’s path, strength and milestones.

About this replay
Date and time (UTC)—Historical replay — not a forecast
Wind speed—
Category—
Pressure—

The storm

Peak strength
Category 2
104 mph, 90 kt
Counties within 50 miles
24
TX
Counties within 100 miles
56
LA, TX
Strongest near the U.S.
Category 2
Calhoun County, TX, 0.0 mi, Jul 15, 1866
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
Victoria CountyTX0.0Category 1Jul 15, 1866
Calhoun CountyTX0.0Category 2Jul 15, 1866
Goliad CountyTX0.0Tropical stormJul 15, 1866
Matagorda CountyTX0.0Category 2Jul 15, 1866
Bee CountyTX2.7Tropical stormJul 16, 1866
Refugio CountyTX3.1Tropical stormJul 15, 1866
Karnes CountyTX6.7Tropical stormJul 16, 1866
Jackson CountyTX12.1Category 2Jul 15, 1866
DeWitt CountyTX14.8Tropical stormJul 15, 1866
Aransas CountyTX15.8Category 1Jul 15, 1866
Live Oak CountyTX19.5Tropical stormJul 16, 1866
Brazoria CountyTX26.4Category 2Jul 15, 1866
Atascosa CountyTX27.4Tropical stormJul 16, 1866
San Patricio CountyTX29.1Tropical stormJul 15, 1866
Wharton CountyTX32.0Category 2Jul 15, 1866
Lavaca CountyTX33.4Category 1Jul 15, 1866
Gonzales CountyTX35.2Tropical stormJul 15, 1866
Wilson CountyTX35.6Tropical stormJul 16, 1866
McMullen CountyTX38.7Tropical stormJul 16, 1866
Jim Wells CountyTX39.1Tropical stormJul 16, 1866
Nueces CountyTX42.2Tropical stormJul 16, 1866
Galveston CountyTX48.9Category 2Jul 15, 1866
Colorado CountyTX49.2Category 1Jul 15, 1866
Duval CountyTX49.6Tropical stormJul 16, 1866
Fort Bend CountyTX52.8Category 2Jul 15, 1866
Guadalupe CountyTX54.3Tropical stormJul 16, 1866
Bexar CountyTX55.6Tropical stormJul 16, 1866
Plaquemines ParishLA57.3Category 2Jul 12, 1866
Terrebonne ParishLA65.3Category 2Jul 13, 1866
Lafourche ParishLA66.7Category 2Jul 12, 1866
Frio CountyTX66.8Tropical stormJul 16, 1866
La Salle CountyTX66.8Tropical stormJul 16, 1866
Kleberg CountyTX68.1Tropical stormJul 16, 1866
Fayette CountyTX71.1Tropical stormJul 15, 1866
Caldwell CountyTX71.2Tropical stormJul 15, 1866
Jefferson ParishLA73.7Category 2Jul 12, 1866
Medina CountyTX75.0Tropical stormJul 16, 1866
Austin CountyTX76.1Category 2Jul 15, 1866
Harris CountyTX76.3Category 2Jul 15, 1866
Webb CountyTX76.9Tropical stormJul 16, 1866
Comal CountyTX78.0Tropical stormJul 16, 1866
Hays CountyTX81.6Tropical stormJul 16, 1866
Bastrop CountyTX82.0Tropical stormJul 15, 1866
Chambers CountyTX82.6Category 2Jul 14, 1866
Waller CountyTX84.9Category 2Jul 15, 1866
Jefferson CountyTX87.3Category 2Jul 14, 1866
Iberia ParishLA88.0Category 2Jul 13, 1866
Kenedy CountyTX91.1Tropical stormJul 16, 1866
St. Mary ParishLA91.3Category 2Jul 13, 1866
Vermilion ParishLA92.0Category 2Jul 13, 1866
Brooks CountyTX94.2Tropical stormJul 16, 1866
Cameron ParishLA95.8Category 2Jul 13, 1866
Kendall CountyTX97.6Tropical stormJul 16, 1866
Travis CountyTX98.4Tropical stormJul 16, 1866
Lee CountyTX99.1Tropical stormJul 15, 1866
Bandera CountyTX99.6Tropical stormJul 16, 1866

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.