\"GRAPHIC:
ABC News
GRAPHIC: Weather graphic shows Tropical rainfall due to Hurricane Florence.
>

\"We here in North Carolina are bracing for a hard hit,\" North Carolina Gov. Ray Cooper said at a news conference Monday.

The state has issued mandatory evacuations.

\"This storm is strong and it's getting stronger,\" Cooper said.

water & bread shelves are completely empty in Walmart Wilmington Nc #HurricaneFlorence @laurynricketts pic.twitter.com/N4WXe90Ly6

— katie ricketts (@KatieRicketts_) September 9, 2018

The state is \"taking Hurricane Florence seriously and you should too. Get ready now,\" he said. \"The best safety plan is preparation and common sense.\"

An evacuation order for visitors and residents on Hatteras Island is in effect Monday while those in other parts of Dare County will be under an evacuation order beginning Tuesday.

\"PHOTO:
Anna Driver/Reuters
PHOTO: Boarded up houses are seen ahead of Hurricane FlorenceÃ?s expected landfall, at Holden Beach, N.C., Sept. 10, 2018.
>

In Maryland, Gov. Larry Hogan is urging residents to be prepared for \"possible catastrophic and life threatening flooding.\"

\"Start now, and prepare your families and your homes,\" he said Monday.

\"Weather
ABC News
Weather graphic shows the latest Hurricane Florence forecast.
>

President Donald Trump exhorted residents to follow officials' instructions.

\"The Storms in the Atlantic are very dangerous. We encourage anyone in the path of these storms to prepare themselves and to heed the warnings of State and Local officials,\" he said in a tweet. \"The Federal Government is closely monitoring and ready to assist. We are with you!\"

\"PHOTO:
Ricky Arnold/NASA
PHOTO: Hurricane Florence this morning as seen from Space Station.
>

Florence is just one of several storms brewing.

Hurricane Helene is a Category 2 storm but is expected to go out to sea with no threat to land.

Hurricane Isaac is moving toward the Caribbean and could make landfall Thursday as a Category 1 hurricane.

Photos: Slideshow: Worst hurricanes in US history

Isaac is forecast to stay south of Puerto Rico but may bring some rain to the island.

In the eastern Pacific Ocean, forecasters are keeping a close watch on Tropical Storm Paul and Tropical Storm Olivia. Paul is not expected to make landfall but Olivia could threaten Hawaii.

Olivia, which weakened to a tropical storm Monday afternoon, will approach Hawaii Tuesday night into Wednesday.

The storm may bring landslides, up to 20 inches of rain and flash flooding for the Hawaiian Islands.

ABC News' Josh Hoyos, Jason Volack, Amanda Maile and Chris Donato contributed to this report.

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