Miami, Fla.(970 WFLA)- The number one notes an area of showers and thunderstorm activity associated with an area of low pressure centered about 500 miles west of the Cabo Verde Islands has become a little more concentrated over the past couple of hours, but recent satellite data show that this system is still fairly broad and elongated. . Environmental conditions appear conducive for development, and a tropical depression is expected to form within the next day or so while the system moves slowly westward across the tropical Atlantic Ocean.
* Formation chance through 48 hours...high...90 percent.
* Formation chance through 5 days...high...90 percent.
The number two is an area of showers and thunderstorms have increased in association with a tropical wave and accompanying low pressure system near the west coast of Africa. Environmental conditions appear conducive for development, and a tropical depression or tropical storm is likely to form later today or over the weekend while the wave moves westward or west-northwestward over the far eastern tropical Atlantic Ocean. Interests in the Cabo Verde Islands should monitor the progress of this system, and advisories on a potential tropical cyclone or tropical depression could be issued later today.
* Formation chance through 48 hours...high...80 percent.
* Formation chance through 5 days...high...90 percent.