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At 1100 PM AST (0300 UTC), the center of Subtropical Storm Wanda was located near latitude 36.2 North, longitude 45.4 West. The storm is moving toward the southeast near 21 mph (33 km/h), and a slower southeast to east southeast motion is expected during the next day or two. A turn to the northeast or north is forecast to occur on Tuesday. Maximum sustained winds are near 50 mph (85 km/h) with higher gusts. Little change in strength is forecast during the next few days. Winds of 40 mph extend outward up to 105 miles (165 km) from the center. The estimated minimum central pressure is 988 mb (29.18 inches).

The non-tropical low that NHC has been monitoring for subtropical transition over the central Atlantic appears to have completed the process this evening. Satellite images indicate that there are no longer fronts attached to the low, and showers and thunderstorms have become concentrated near the center. The low has some tropical characteristics (small radius of maximum wind and concentrated convection) and some subtropical characteristics (co-located with an upper-level trough and nearby fronts). The system is designated as a subtropical storm for now since there appears to be more support for that status. The initial intensity is estimated to be 45 kt based on recent ASCAT data, which makes the cyclone Subtropical Storm Wanda.

The storm has been moving east-southeastward at 18 kt. A slower east-southeast to southeast motion is expected during the next day or so as Wanda moves with the deep-layer trough that it is embedded within. After that time, the trough is expected to cut off, and Wanda will likely meander on Monday before turning sharply northward or northeastward by the middle of next week when the system moves in the flow between the low and a building ridge. Most of the models agree on the general evolution, but there are notable speed differences. The NHC track forecast lies near the various consensus aids.

Wanda will likely maintain its strength during the next several days. Although the system will remain over relatively cool waters of about 23-24 C during the next couple of days, cold air aloft should aid in the continued development of deep convection and could allow the system to strengthen slightly during that time period. Beyond that time, Wanda should begin to move over cooler waters and that will likely end its opportunity to gain strength and lead to post-tropical transition by the end of the forecast period. The models are in good agreement on keeping Wanda steady state, and the NHC intensity forecast lies near the middle of the guidance envelope.