9/23 – Trey Tonnessen’s “Mean Helene” Monday Night Forecast

Meteorologist Trey Tonnessen

The National Hurricane Center is issuing advisories on Potential Tropical Cyclone Nine, located over the northwestern Caribbean Sea.

* Formation chance through 48 hours…high…90 percent.
* Formation chance through 7 days…high…90 percent.

Eastern and Central Tropical Atlantic:
A tropical wave near the Cabo Verde Islands is producing disorganized shower and thunderstorm activity. Environmental conditions appear generally favorable for gradual development of this system, and a tropical depression is likely to form during the middle to latter part of this week while it moves westward to west-northwestward across the eastern and central tropical Atlantic.

* Formation chance through 48 hours…low…20 percent.
* Formation chance through 7 days…high…70 percent.