NWS National Hurricane Center Miami FL

800 AM EDT Tue Sep 3 2019

 

For the North Atlantic...Caribbean Sea and the Gulf of Mexico:

 

The National Hurricane Center is issuing advisories on Hurricane Dorian, located just north of Grand Bahama Island.

 

The National Hurricane Center is issuing advisories on newly formed Potential Tropical Cyclone Seven, located over the southwestern Gulf of Mexico.

* Formation chance through 48 hours...high...near 100 percent.

* Formation chance through 5 days...high...near 100 percent.

 

1. An area of low pressure located a few hundred miles west of the Cabo Verde Islands continues to become better defined. The associated thunderstorm activity has been increasing, and a tropical depression is expected to form later today while the system moves generally northwestward across the eastern tropical Atlantic Ocean.

* Formation chance through 48 hours...high...90 percent.

* Formation chance through 5 days...high...90 percent.

 

2. A trough of low pressure, located several hundred miles south of Bermuda, is producing disorganized showers and thunderstorms. Some development of the disturbance is possible during the next couple of

days while the system moves northward, and a tropical depression could form by Thursday. Afterward, upper-level winds are forecast to become less favorable for tropical cyclone formation. Interests

in Bermuda should monitor the progress of this system, and areas of heavy rainfall are likely.

* Formation chance through 48 hours...medium...40 percent.

* Formation chance through 5 days...medium...40 percent.

 

3. A tropical wave is forecast to emerge over the far eastern tropical Atlantic between Africa and the Cabo Verde Islands in a couple of days. Environmental conditions are forecast to be conducive for

development, and a tropical depression is likely to form late this week or over the weekend while the system moves westward to west-northwestward.

* Formation chance through 48 hours...low...near 0 percent.

* Formation chance through 5 days...medium...60 percent.

 

Forecaster Blake