After hammering Florida, Ian to make a run up the East Coast
Hurricane Ian is projected to continue rapidly strengthening after moving over Cuba, and AccuWeather forecasters have rated the storm a 3 on its RealImpact Scale for hurricanes when it slams into Florida due to threats including excessive rainfall, storm surge, winds and even severe weather. But, Ian's impacts will be far from over in the United States.
The storm will spread flooding rainfall and even stir problems along the East Coast of the U.S., including parts of the Southeast and into the mid-Atlantic, according to AccuWeather forecasters.
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Conditions are likely to start to deteriorate across southern Georgia as early as Wednesday night, as Ian's outer bands slowly push northward from Florida into the state. By Thursday morning, tropical-storm-force winds are likely across the southern half of the state.
"While Ian will lose wind intensity as it moves over northward over land, portions of Georgia, South Carolina and North Carolina will get very strong winds," explained AccuWeather Meteorologist Thomas Geiger.
Places in far southern Georgia can have wind gusts of 80-100 mph while wind gusts in most of southeastern Georgia and far southern South Carolina, including cities such as Savannah, Georgia, could reach 60-80 mph.
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Gusty winds could bring significant delays to travel, both in the air and on the roadways. High-profile vehicles driving at higher speeds along Interstates 85 and 95 should be alert for stronger wind gusts.
No matter how quickly Ian loses wind intensity after moving inland, tropical rainfall is forecast to impact more than half a dozen states into Saturday.
"Confidence is growing for Ian to be a significant rain producer across Florida and part of the Southeast, especially if its forward movement slows down," said AccuWeather Meteorologist Renee Duff.
Duff explained that the threat of flooding may extend as far northward as the Carolinas heading into next weekend.
Based on recent rainfall across the mid-Atlantic, areas in eastern North Carolina, eastern Virginia and the Delmarva Peninsula could have an increased risk of flooding. These areas have been abnormally dry or are in a moderate drought, according to the most recent update from the U.S. Drought Monitor.
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Rainfall is on the way for such locations, but fortunately, the heaviest rain may miss the area. The highest rain amounts are forecast along the center and to the east of Ian as it moves northward through the East Coast states. Widespread rainfall amounts of 2-4 inches are expected through much of Georgia, South Carolina, North Carolina and southern Virginia, including in the Appalachian Mountains. Cities such as Roanoke, Virginia, to Raleigh and Charlotte, North Carolina, and Augusta, Georgia, could all receive several inches of rain.
Beyond Florida, the heaviest rainfall amounts from Ian across the Southeast are forecast for coastal Georgia, South Carolina, and southeastern North Carolina. "In this zone, 4-8 inches of rain is expected as repeated heavy rain bands receive extra enhancement from the warm Gulf Stream waters of the Atlantic Ocean," said Geiger.
One thing AccuWeather meteorologists will be monitoring for the mainland area of the southeastern U.S. will be the forward speed of Ian after landfall in Florida.
"Ian will slow down over the Southeast states, but as long as it maintains some forward speed, rainfall will be heavy but not over the top," AccuWeather Senior Meteorologist Alex Sosnowski said. "However, if Ian stalls over the Southeast for a day or two, there is the potential for much heavier rainfall to fall over a broad area, including interior locations."
Coastal flooding is also a concern across portions of the East Coast. The combination of Ian moving inland and an area of high pressure off the Northeast will make for persistent onshore winds from Virginia to Georgia. Rough surf, strong rip currents and beach erosion could be a concern for the beaches in this zone.
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Another threat that could target this same area is severe weather.
"An often forgotten risk of hurricanes is the threat of tornadoes. Given how hurricanes rotate, it is not uncommon for tornadoes to spin up within the rain bands," said Geiger.
While tornadoes in this scenario are often short-lived and relatively weak, it is not out of the question that there will be a few stronger ones. The locations most susceptible to tornadoes are those to the east of the tropical system's center. Given the current track, places in Georgia, South Carolina and North Carolina could be at risk for a few tornadoes.
Farther north, AccuWeather meteorologists continue to monitor what impacts might reach into the northeastern United States.
The widespread nature of the impacts to the Northeast, mainly tropical rainfall, will depend heavily on the exact trajectory of Ian through next weekend. There will be a lot of dry air in the region prior to Ian's arrival. It's possible this could minimize the amount of rain the area receives or even steer it west toward the Appalachians and Ohio Valley.
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