Florence is still sitting more than 1000 miles off the east coast of the United States, but it's still our main focus in the tropics.
Adm. Christopher Grady said in a statement that the decision was based on Florence's current track, which indicates the area could see strong sustained winds and storm surges.
The National Hurricane Center said Florence had re-strengthened into a Category 1 hurricane Sunday as it was located about 710 miles (1,142 kilometers) southeast of Bermuda. If Florence does make landfall here in the Carolinas, there's a high likelihood of widespread impacts including downed trees, extended power outages and flooding.
Tropical storm Helene is presenting the most imminent danger as it tracks towards the western coast of the African continent, around the southernmost Cabo Verde Islands.
Hurricane Florence will make its way westward, likely toward the Carolinas later this week while Hurricane Isaac moves westward toward the Caribbean.
McMaster said he had asked President Donald Trump to declare a federal emergency in SC in anticipation of the storm's arrival.
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He told Italian reporters: "They say I'm in danger but I don't think it". Then we would play creative football once again.
The Miami-based center said in its 5 a.m. ET advisory that Florence was moving west northwest at 9 miles per hour.
The National Hurricane Center says Isaac has become the fifth hurricane of the 2018 Atlantic season.
Delta said in response to a passenger: "At this time we are very much aware of Hurricane Florence and our team is closely monitoring the weather". And it's not likely to weaken before reaching the shores of North and SC and Virginia on Thursday, AccuWeather meteorologist Brett Rossi said.
Governors in Virginia, North Carolina and SC all declared states of emergency over the past two days in anticipation of the hurricane.
According to the 11 p.m. Sunday update from the National Hurricane Center, Hurricane Florence's maximum sustained winds have intensified to 90 miles per hour.
Florence turned into a hurricane Sunday morning and was swirling toward the USA for what forecasters said could be a direct hit on the Southeast toward the end of the week.
The storm may sit over parts of the mid-Atlantic for days, like Harvey did in Texas past year, bringing major flooding to an area that has already seen above-average rainfall in recent months.