Hurricane Isaias reaches category three strength as it approaches the US Gulf coast

Isaias has strengthened into a category three major hurricane in the Atlantic, driven by sustained wind speeds reaching 120mph as measured by hurricane hunter aircraft on Friday morning.

Potential Impacts

The storm is bringing damaging winds, torrential rain, and a dangerous storm surge to parts of the US Gulf coast, with landfall expected late Friday. According to the National Oceanic and Atmospheric Administration, rainfall is estimated at 75 to 150mm, with up to 250mm possible in certain areas alongside a risk of flash floods and isolated river flooding. Authorities have issued hurricane and storm surge watches, warning of life-threatening surges along the northern Gulf coast and hurricane-force winds across the Florida panhandle, southern Alabama, and Mississippi.

Context

Severe tropical storms form over warm ocean waters and gather immense power before hitting coastal areas. Meteorologists track these systems closely using aircraft and satellites to issue timely warnings and protect vulnerable coastal populations.