High Quality Content by WIKIPEDIA articles! Hurricane Isbell was the strongest U.S. landfalling hurricane of the 1964 Atlantic hurricane season. It became a tropical depression east of Nicaragua on October 8. It then strengthened into a tropical storm and later into a hurricane on October 13 before making landfall in western Cuba. In the Gulf of Mexico, on October 14, it strengthened into a major hurricane before making landfall in southwest Florida as a Category 2 hurricane. After entering the Atlantic, it headed towards North Carolina and made landfall on October 16 just before weakening to an extratropical storm with winds under hurricane force at 45 mph (70 km/h). It then dissipated the following day. It caused $20 million (1964 USD) ($120 million in 2005 USD) in damage, most of it being from crop damage or tornadic activity. In addition to damage, it caused 6 deaths.