All watches and warnings for Tropical Storm Isaac have ended

Rodiano Bonacci
Settembre 14, 2018

Isaac is forecast to gradually weaken over the next few days, and could degenerate into a tropical wave at any time.

Tropical Storm Isaac is expected to produce up to 4 inches of rain, with isolated amounts up to 6 inches, across Martinique, Dominica, and Guadeloupe, especially over elevated terrain. "Interests elsewhere in the Leeward Islands should monitor the progress of Isaac". The storm surge could rise up to 13 feet - that's water inundating homes up to the first-floor ceiling, the National Hurricane Center said. When Isaac reaches the west-central Caribbean Sea in a couple of days, the shear may relax somewhat and the global models suggest that there will be an increase in mid-level moisture.

Mandatory evacuation orders were in effect for much of North Carolina, South Carolina and Virginia as Category 3 Hurricane Florence bore down on the states.

Isaac is moving toward the west near 16 miles per hour, and this general motion with a decrease in forward speed is expected for the next few days.

She said: "Helene is moving up from the Atlantic towards us".

Isaac became the fifth hurricane of the season late Sunday and was initially expected to strengthen, potentially becoming a Cat 2 storm with 100 miles per hour winds, as it crossed warm ocean waters.

The agency is also monitoring a tropical disturbance that has a 60 percent chance of forming a tropical storm. These conditions could allow for regeneration of the system as it approaches Cuba and the Yucatan Peninsula, but given the uncertainty in whether Isaac will survive long enough to take advantage of these conditions, the official forecast still calls for dissipation, the NHC said.

"Regardless of development, heavy rainfall and gusty winds are expected across portions of northeastern Mexico, Texas, and Louisiana late this week, and interests there should monitor the progress of this system", it added.

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