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1886 Indianola hurricane

Category 4 Atlantic hurricane in 1886

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Through Atmospheric pressure, Rain and Flood

Statewide the storm killed 150 people and spread destruction well inland, with a 15-foot (4.6 m) storm surge engulfing Indianola. At least 46 deaths were reported in Indianola. Hundreds of homes were dismantled there and in neighboring communities, in part due to a fire that ignited during the storm. Fierce winds snarled communication between towns, while felling buildings and trees. Corn, cotton, and fruit crops were heavily damaged, with up to 15% cotton losses in some areas. A few ships were disabled, resulting in at least five deaths. The storm dropped prolific rain as well, causing flash floods, notably in riparian areas, and ending a dry spell. Part of a severe storm series since 1875, the cyclone contributed to the end of Indianola as a town. It also impacted the history and economic development of Texas, with Galveston replacing Indianola as the main port in the state. Losses from the storm totaled about $3 million in contemporary USD.

Meteorological history

The storm formed about 205 mi (330 km) south-southeast of Barbados, the easternmost Caribbean island, on August 12, as shown by the Atlantic hurricane reanalysis project. At that time, the hurricane databases (HURDAT) initiate a weak tropical storm. The cyclone moved northwest over the next three days and steadily intensified. It crossed the Windward Islands on August 13, becoming a minimal hurricane later that day; weather forecasters first noted the storm on this date. Next day the ship Gertie M. Rickerson first sampled hurricane speeds, at which time sustained winds in the storm reached 100 mph (155 km/h), or low-end Category 2 status on the Saffir–Simpson scale.

A day later it struck Barahona, Dominican Republic, at the same intensity. Its ensuing path turned west-northwest across southern Haiti and then northwest toward southeastern Cuba. Weakening inland, it regained its peak winds over the Windward Passage and hit Cuba on August 16. The following day it resumed a west-northwest heading, reemerging offshore northern Cuba near Isabela de Sagua with winds of 65 mph (100 km/h). Once over the Straits of Florida it restrengthened, reattaining hurricane winds next day; then it reached the Gulf of Mexico.

On August 19 it commenced rapid intensification, strengthening into a major hurricane. Next day it curved northwest, peaking with winds of 150 mph (240 km/h), or upper-end Category 4 status. At 13:00 UTC it hit the southern end of Matagorda Island, Texas, at a point 30 mi (50 km) southwest of Indianola. Scientists modeled a pressure of 925 mb (27.3 inHg) at landfall, based on a barometer reading of 971 mb (28.7 inHg) taken six hours later at the edge of the eye in San Antonio; this made it the most intense Texas hurricane on record. Reanalysis derived the storm's winds from a blend of tidal and pressure data, along with a compact radius of maximum wind (RMW). The storm quickly unraveled over land, losing hurricane force on August 21, and gently arced north-northwest. It vanished later that day over the Texas panhandle.

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