Hurricane Helene has Britain in its sights

Hurricane Helene has Britain in its sights

Hurricane Helene has Britain in its sights

According to the National Hurricane Center's 11 p.m. Tuesday update, Isaac has weakened somewhat in the previous 24 hours and is now expected to enter the Caribbean Thursday evening as a tropical storm, rather than a hurricane.

In a 2 p.m. advisory, forecasters said sustained winds remained at 60 miles per hour, down from 75 miles per hour Monday. Tropical-storm force winds extend outward to 105 miles from the center.

While a tropical storm watch is in effect for St. Kitts and Nevis, at Pond Hill, Nevis, forecaster Harry W. Hallstrom said, "Isaac is getting ripped apart with wind shear". The NHC warned, however, that "Interests in the Azores should monitor the progress of Helene".

Florence is unlike Hurricane Hugo, a category 4 storm that struck Charleston in 1989.

Isaac is expected to reach the islands, which remain under a tropical storm warning, by Thursday afternoon and cross the Caribbean through Saturday.

SAN JUAN, Puerto Rico - Power outages were reported across Puerto Rico Friday morning as Tropical Depression Isaac dropped rain across the USA territory.

The storm has a raincloud band that's 900 kilometers wide - and it's coming alongside monsoon rains, creating risks for flash floods and landslides. While people along large swathes of the Eastern Seaboard have been dreading the storm for days, you can say one thing: it arrived right on time.

Hurricane Watch: An announcement that sustained winds of 74 miles per hour or higher are possible within the specified area in association with a tropical cyclone.

Two high pressure ridges are still expected to be strong enough to force Florence to stall just before, or after, it makes landfall somewhere near the North Carolina/South Carolina border early Friday.

All watches and warnings that had been issued on neighboring islands were canceled Thursday.

The NHC forecast track shows the storm decreasing in forward speed as it heads west towards Central America.

President Donald Trump declared states of emergency for North and SC and Virginia, opening the way for federal aid.

Meteorologists are also keeping an eye on yet another tropical disturbance that's spinning in the western Gulf of Mexico.

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