This quickly became a bomb cyclone off the East Coast of the United States on October 27, causing flooding and bringing powerful gale-force winds to the region in the process.

Over the next several days, Wanda meandering well west of the Azores, before curving southward and then accelerating northeastward, before degenerating into a post-tropical cyclone on November 7, several hours before merging with a frontal system.

On October 24‍–‍25, a non-tropical mid-level trough moved across the Southern United States and out into the Atlantic, where a well defined area of low pressure formed.

[1] The National Hurricane Center (NHC) began monitoring the disturbance on October 24, noting that it could potentially develop into a subtropical or tropical cyclone several days later.

[7] The extratropical low that produced the nor'easter (which later transitioned into Tropical Storm Wanda) formed on October 25, about 140 mi (220 km) southeast of Cape Fear, North Carolina, when the eastern part of the trough began interacting with the warm waters of the Gulf Stream.

During this time, at 00:00 UTC on October 27, the system also reached its peak strength with sustained winds of 70 mph (110 km/h), while located about 125 mi (205 km) east-southeast of Nantucket, Massachusetts.

Embedded within a trough as it began moving eastward late on October 27, the NHC rated the five-day probability of it becoming subtropical as low (less than 40%).

Then, at 12:00 UTC on October 30, Subtropical Storm Wanda formed about 595 mi (955 km) south-southeast of Cape Race, Newfoundland.

That same day, Wanda's generally eastward movement came to an abrupt stop, and the sheer decreased, which provided an opportunity for it to gain strength.

Consequently, it was able to reach its peak intensity with maximum sustained winds of 60 mph (95 km/h) and a minimum central pressure of 983 mbar (29.03 inHg) at 12:00 UTC on October 31.

The resulting wind shear stripped away Wanda's remaining convection, and it became a post-tropical cyclone by 12:00 UTC on November 7, while located about 430 mi (695 km) west-northwest of the Azores.

[14] Many places around the state experienced flash floods as a result of the rain, while the Saddle River overflowed its banks, generating six to seven feet (1.83 to 2.13 meters) of water near the basin.

[24] In New York State, the body of a missing kayaker was found, after he tried to cross Long Island Sound ahead of the nor'easter.

[26] Portions of the Bronx River Parkway closed due to the flooding,[27] and the Staten Island Railway was suspended for 3 hours between Huguenot and Tottenville.