Post-Tropical Cyclone 16L (Sean) / Invest 94L
Sunday, October 15, 2023

Current Snapshot

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By PDC’s Senior Weather
Specialist Glenn James

The Pacific Disaster Center’s (PDC Global) Sunday, October 15, 2023, Tropical Cyclone Activity Report…for the Atlantic Ocean, the Caribbean Sea, and the Gulf of Mexico


Post-Tropical Cyclone 16L (Sean)…is located 905 miles east of the Northern Islands – Last Advisory


Atlantic Ocean

PostTropical Cyclone 16L (Sean) Last Advisory

According to the NHC advisory number 21…


The post-tropical cyclone is moving toward the west-northwest near 12
mph (19 km/h). A turn toward the west with an increase in forward speed is expected overnight and Monday morning.

Maximum sustained winds are near 30 mph (45 km/h) with higher gusts. Weakening is forecast, and Sean is expected to dissipate into an open trough by Monday night or Tuesday.

>>> Central Tropical Atlantic…

Invest 94L

A broad area of low pressure located over the central tropical Atlantic is producing some shower and thunderstorm activity.

Although the environment may not support much development during the next couple of days, conditions are expected to become more conducive thereafter, and a tropical depression is still likely to form mid to late week while moving westward or west-northwestward across the central and western tropical Atlantic.

* Formation chance through 48 hours…low…30 percent
* Formation chance through 7 days…high…70 percent