Scotland's weather: Storm Helene 80mph winds warning

Scotland's weather: Storm Helene 80mph winds warning

That's more than eight stories tall, for reference.

Each storm is clearly highlighted on the map and identified with a name, showing that Hurricane Florence is not the only storm looming.

A tropical wave in the Gulf of Mexico is still being monitored, but its chance of development in the coming days has decreased.

The National Hurricane Center says the waves were measured by satellite. In a 2 p.m. advisory, forecasters said sustained winds remained at 60 miles per hour, down from 75 miles per hour Monday.

Although Helene is now a hurricane, it will weaken and be downgraded to a tropical storm by the time it reaches the Azores.

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

The path of Hurricane Florence is still set squarely on the Carolinas, but early Wednesday it shifted south and west, encompassing more of SC and western North Carolina.

83-foot wave measured by satellite as Hurricane Florence approaches
The warning is valid from Monday September 16 at 6:00pm through to 12:00pm on Tuesday September 17 and applies to all of Co. It's not clear if the storm is expected to strengthen back into a hurricane after it hits the eastern Caribbean.

The fact both Hugo and Florence have rapidly strengthened to Category 4 hurricanes along the eastern seaboard in quiet years has caught the attention of hurricane researcher Jim Kossin.

Flash-flooding is likely over low-lying and flood-prone areas. The Appalachians could see 3 to 6 inches of rain, with isolated areas of 12 inches.

The National Hurricane Center states that these storm surges are highly likely along portions of the coastlines of North Carolina and SC.

Top sustained winds are now about 65 miles per hour (100 kph) and the storm is moving to the west-southwest at 5 miles per hour (7 kph) - a track that is expected to continue through early Saturday.

Meteorologist Ryan Maue of weathermodels.com said Florence could dump a staggering 18 trillion gallons (68 trillion liters) of rain over a week on North Carolina, South Carolina, Virginia, Georgia, Tennessee, Kentucky, and Maryland.

Tropical Storm Florence was downgraded from a Category 1 hurricane on Friday and is poised to affect more than 10 million this week in the southeastern U.S. Although Olivia is expected to move over the islands as a tropical storm, it could still bring worse impacts than recent Hurricane Lane to some areas, the center said. It should dissipate by early next week, the hurricane center said.

Helene is one of several major storms in the Atlantic at the moment, with Florence sparking mass evacuations as it heads towards landfall on the east coast of the US.

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