The storm formed on August 14 and rapidly deepened. It scraped the western edge of Cuba at Category 3 strength. Camille strengthened further over the Gulf of Mexico and made landfall with a pressure of 900 mbar (hPa), estimated sustained winds of 200;mph (305 km/h), and a peak storm surge of 24 feet (7.3 m); by maximum sustained wind speeds, Camille was the strongest landfalling tropical cyclone recorded worldwide, and one of only four tropical cyclones worldwide ever to achieve wind speeds of 190 mph. The hurricane flattened nearly everything along the coast of the U.S. state of Mississippi, and caused additional flooding and deaths inland while crossing the Appalachian Mountains of Virginia. In total, Camille killed 259 people and caused $1.42 billion (1969 USD, $9.14 billion 2005 USD) in damages.