Post-Tropical Cyclone Tammy
Thursday, October 26, 2023

Current Snapshot

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By PDC’s Senior Weather
Specialist Glenn James

The Pacific Disaster Center’s (PDC Global) Thursday, October 26, 2023, Tropical Cyclone Activity Report…for the Atlantic Ocean, the Caribbean Sea, and the Gulf of Mexico



Atlantic Ocean

>>> Northwestern Atlantic (Post-Tropical Cyclone Tammy)…

A strong extratropical cyclone (formerly Tammy) associated with an occluded front is located a few hundred miles east of Bermuda.

his system is forecast to become separated from the front during the next day or so, and environmental conditions are forecast to become more conducive for the low to regain tropical characteristics while it meanders over the northwestern Atlantic to the east of Bermuda through Saturday.

Regardless of tropical redevelopment, the system is likely to bring gusty winds and heavy rainfall to Bermuda during the next couple of days. Interests on Bermuda should monitor the progress of this system.

* Formation chance through 48 hours…medium…50 percent
* Formation chance through 7 days…medium…50 percent

>>> Western Caribbean Sea…

A broad area of low pressure is forecast to develop over the southwestern Caribbean Sea during the next few days.

Environmental conditions could support some slow development of this system early next week while it moves generally northward over western or central portions of the basin.

* Formation chance through 48 hours…low…near 0 percent
* Formation chance through 7 days…low…20 percent