Tropical Storm Helene expected to bring rain, wind gusts to Azores

Tropical Storm Helene expected to bring rain, wind gusts to Azores

Storm surges are one of a hurricane's most unsafe effects.

At 5 p.m. Wednesday, the center of Isaac was about 566 miles southeast of St. Croix. Maximum sustained winds are near 60 miles per hour or 95 km/h.

Hurricane conditions are possible within the hurricane watch area - Guadeloupe, Martinique and Dominica - by Thursday morning, with tropical storm conditions possible early Thursday in both the tropical storm watch area - Antigua, St Kitts and Nevis, and Montserrat - and the hurricane watch areas, the NHC added.

The hurricane is expected to move inland over parts of North Carolina and SC on Friday and Saturday, "then move generally northward across the western Carolinas and the central Appalachian Mountains early next week".

"My concern at present is that the storm could deepen during its approach to Ireland, transforming from a Post Tropical Cyclone into a very powerful Atlantic Storm, which would potentially increase the winds along the west and south coast given the storms angle and interaction with the jet stream".

Parts of North Carolina had seen storm surges - the bulge of seawater pushed ashore by the hurricane - as high as 10 feet (3 meters), he said. Some fluctuation in wind speeds are expected, and weakening forecast Thursday, but it's still expected to be a fierce storm triggering risky flooding.

More news: Wherever Florence makes landfall - its impact will be far-reaching

The National Hurricane Center and computer models have shifted the forecast track for Hurricane Florence noticeably to the south and west, but it doesn't mean northern North Carolina, Virginia and other mid-Atlantic states are in the clear.

On the forecast track, Isaac will move near or over the central Lesser Antilles on Thursday.

The storm has slowed considerably and was moving at 5 miles per hour toward the Port City. Flash flooding is going to be a big issue soon - certainly catastrophic. Given its expected slow speed once it rolls ashore, they warned the heavy rain and storm could spread across a wide area.

Current guidance has the low pressure system moving northeastwards up through the Irish Sea overnight Monday and early on Tuesday, although the exact path is still uncertain.

Duke Energy says damage from Hurricane Florence could cut off electricity to three-quarters of its 4 million customers in the Carolinas, and the outages could last for weeks.

Neighbors are taking action as well. "The combination of a risky storm surge and the tide will cause normally dry areas near the coast to be flooded by rising waters moving inland from the shoreline". Mandatory evacuations have been issued for much of the SC and North Carolina coastline.

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