The governor held a press conference Sunday afternoon alongside state emergency response officials to update the state on the potential impacts Hurricane Florence can have on SC.
North Carolina Governor Roy Cooper also urged his state's residents to get ready, noting the storm already was generating swelling waves and unsafe currents along the coast. The newsletter went out prior to the storm shifting slightly to the north Sunday morning.
The U.S. East Coast could be hit with a powerful hurricane next week as Tropical Storm Florence continues to strengthen as it moves toward the mainland, forecasters said Saturday.
Tropical Storm Florence is quickly approaching the eastern United States, and according to the National Hurricane Center, the storm's threat to the East Coast keeps rising. Meanwhile, Myrtle Beach Mayor Brenda Bethune urged residents to secure their homes, but said it's too early to know if evacuations will be ordered.
At 6pm today, Florence was 720 miles southeast of the island, moving west at 7mph.
Isaac's maximum sustained winds have increased to near 70 miles per hour (110 km/h) with higher gusts.More news: Elon Musk puffs on marijuana joint during live interview
The NHC said the vast storm had maximum sustained winds of almost 75 miles per hour (120 kph), reaching up to 125 miles from its center, as it tracked west-northwestward across the western Atlantic.
"However, given the uncertainty in track and intensity forecasts at those time ranges", the National Hurricane Center tweeted, "it's too soon to determine the exact timing, location, and magnitude of those impacts". Drawing energy from the warm water, it could be a fearsome Category 4 with winds of 130 miles per hour or more by Tuesday, the National Hurricane Center said.
McMaster's declaration is to give the state time to prepare for the possible arrival of a hurricane. Forecasters expected Isaac to become a hurricane by Sundays end and said it will move into the Caribbean on Thursday.More news: Turmoil at Tesla as executives leave and shares tumble
Tropical Storm Helene was upgraded to a Category 1 hurricane, joining the strengthening Hurricane Florence, which had formed earlier in the week.
Isaac became the fifth hurricane of the 2018 Atlantic Season and the third storm being actively tracked in a busy weather weekend.
Tropical Storm Helene became Hurricane Helene on Sunday afternoon, as well.More news: Serena Williams wins U.S. Open quarterfinals, advances to semis
Swells generated by Florence already were impacting Bermuda and starting to reach the US coast, with life-threatening surf and rip current conditions likely, according to the NHC.