Florence's path: Track the tropical storm here

Florence's path: Track the tropical storm here

Florence's path: Track the tropical storm here

Overnight, Isaac began to fall apart as it encountered increasing atmospheric winds that help shred storms and neared dry air.

Maximum sustained winds have decreased to near 40 miles per hour (65 km/h) with higher gusts.

The storm is now around 530 miles southeast of Cape Fear, North Carolina, and is moving west-northwest at 17 mph.

Isaac is expected to move south of Jamaica as a tropical depression over the weekend, producing unstable weather conditions, according to Meteorological Service Jamaica.

Gargantuan waves towering up to 83 feet were crashing within Hurricane Florence's sprawling reach early Wednesday as the Category 4 monster continued its ominous advance on the East Coast, experts said.

"It's not a zero event".

The biggest threats from Hurricane Florence are life-threatening storm surge, devastating flash-flooding, and hurricane-force winds. "Things could change. This could be a very powerful storm". Isaac is expected to dissipate within the next few days. Isaac continues to move westward at 20 miles per hour or 31 km/h.

Ireland is expected to endure the worst of the storm, while Wales and the Cornish peninsula will bear its brunt in England.

Forecasters in Wilmington, North Carolina, are emphasizing the potential for what they're calling "unbelievable damage from wind, storm surge, and inland flooding".

The center also warned "catastrophic freshwater flooding expected over portions of North and SC".

The flooding soon spread into SC, swamping places like North Myrtle Beach, in a resort area known for its white sands and multitude of golf courses.

Friday's expected landfall near the NC/SC border will cause Florence to weaken as it interacts with the coast.

"The rain's going to be around for a long time", he said.

The first large power outage in the Wilmington area also occurred Thursday morning, with the Duke outage map showing almost 1,400 customers in the Acme-Delco area of Columbus County and northwest Brunswick County without power.

Behind Isaac, Hurricane Helene also continued to deliver good news.

Tropical storm-force winds extend outward from the eye of the storm up to 160 miles, forecasters said.

A system in the central Gulf of Mexico was a little less certain.

The agency is also monitoring a tropical disturbance that has a 60 percent chance of forming a tropical storm.

"The latest guidance suggests that the strongest winds will occur along the south and west coasts, where gusts could exceed 130-140 kph". A hurricane hunter plane is scheduled to investigate the system Thursday.

"There's some uncertainty about Helene's exact track, but we can see that's it's heading towards the UK".

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