Initially subtropical in nature, Able acquired tropical characteristics as it moved over the warm waters of the Gulf Stream and attained hurricane status on May 17 off the coast of Florida.
The polar trough gradually weakened as the low organized, and on May 15 it developed into a subtropical depression while located about 300 miles (480 km) south of Bermuda.
Strong divergence from the upper-level low and a high pressure system to its northeast provided favorable conditions towards transitioning into a tropical cyclone,[1] and late on the 16th the depression attained winds of 40 mph (64 km/h).
The Navy reconnaissance squadron flew into the system later that day, and reported a storm of full hurricane strength moving southward.
On May 23 it deteriorated into a tropical storm while passing over cooler waters, and that night Able became an extratropical cyclone while located about 520 miles (840 km) south of Halifax, Nova Scotia.
[4] The National Weather Bureau advised all small craft to remain at port[5] and recommended residents in the northern Bahamas to take immediate precautions.
Fishermen on dozens of boats left the open ocean for safety on two Bahamian islands, while two airplanes safely rode out the hurricane.
[8] A ship called "City of Eastbourne" sailed through the storm and reported hurricane-force winds, along with "mountainous, confused seas and driving rain.