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Tropical Weather Outlook
NWS National Hurricane Center Miami FL
800 AM EDT Mon Sep 10 2018
For the North Atlantic...Caribbean Sea and the Gulf of Mexico:
The National Hurricane Center is issuing advisories on Hurricane
Florence, located over the west-central Atlantic Ocean, on
Hurricane Helene, located over the eastern Atlantic, and on
Hurricane Isaac, located over the central tropical Atlantic.
1. Disorganized showers and thunderstorms over the northwestern
Caribbean Sea and western Cuba are associated with a weak surface
trough. The disturbance is forecast to move slowly northwestward
across the northwestern Caribbean Sea and the Yucatan Peninsula over
the next couple of days with only slow development expected during
that time. However, upper-level winds are forecast to become more
conducive, and a tropical depression could form late this week when
the system moves across the western Gulf of Mexico.
* Formation chance through 48 hours...low...10 percent.
* Formation chance through 5 days...medium...40 percent.
2. A non-tropical area of low pressure is forecast to form in the
northeastern Atlantic Ocean several hundred miles west-southwest of
the Azores in about two days. Some slow tropical or subtropical
development is possible by the end of the week while the low
moves southwestward.
* Formation chance through 48 hours...low...near 0 percent.
* Formation chance through 5 days...medium...40 percent.
Forecaster Blake
Original author: NHC
