Tropical Storm Abby was an exceptionally small tropical cyclone that had minor effects across Southeast Texas in early August 1964. Forming as a tropical depression out of a trough south of Louisiana on August 5, the system moved generally westward. It was not until August 7 that the system began to organize. That day, an eye rapidly formed within the system and it became a tropical storm just 60 mi (95 km) southeast of Galveston, Texas. Soon thereafter, a weather reconnaissance plane reported a barometric pressure of 1000 mbar (hPa; 29.53 inHg) at the storm's center. Around 18:00 UTC (1:00 p.m. CDT), the newly named Abby attained peak winds of 70 mph (115 km/h). It subsequently made landfall near Matagorda, Texas four hours later. Once onshore gradual weakening ensued, though a brief peri