The US National Weather Service said it expects Tropical Storm Nolo to gain in strength and develop into a hurricane on Thursday as it moves north toward the Big Island of Hawaii.
As a result heavy rainfall is likely to persist through Saturday, with potential for local catastrophic flooding.
In its most recent advisory, the NWS' National Hurricane Center said Nolo is expected to strengthen to a hurricane by Thursday night and could become a major hurricane by the weekend. The system is likely to approach the Big Island of Hawaii on Friday and Saturday.
Meanwhile, the Mid-Atlantic and New England regions are expected to experience moderate to major coastal flooding, strong winds, heavy rainfall and high surf due to the presence of a strong coastal storm.
The NWS issued a coastal flood warning early Thursday for Virginia's Virginia Beach, Franklin, Wakefield, Williamsburg, Tappahannock, and Accomac. Most of these places fall under the service areas of Dominion Energy (D).
A coastal flood warning was also raised for Maryland's Ocean City, Salisbury, Baltimore, Lexington Park, Annapolis, and areas near Easton, primarily served by Exelon Corporation (EXC) subsidiaries Delmarva Power and Baltimore Gas and Electric.
Also covered under a coastal flood warning watch were Georgetown and Dover in Delaware, also served by Delmarva Power; and New Jersey's Atlantic City and Newark, where Exelon unit Atlantic City Electric and Public Service Enterprise Group's (PEG) Public Service Electric and Gas Company are among the major service providers.
Coastal flood warnings were also issued for certain coastal areas of North Carolina.
The NWS issued a flash flood warning early Thursday for Ulysses and areas near Garden City in Kansas, where Evergy (EVRG) is among the major electric utility service providers.
A flood warning was issued for areas near Ruidoso and Roswell in New Mexico, which is primarily served by TXNM Energy (TXNM) unit Public Service Co. of New Mexico and Xcel Energy (XEL).
A similar warning was raised for Iowa's Iowa City, Clinton, and Burlington. Iowa is primarily provided electricity by MidAmerican Energy Company, a unit of Berkshire Hathaway Energy, and Alliant Energy (LNT).
In Illinois, affected areas include Quincy, Waukegan, and small pockets along the Iowa and Missouri borders. Ameren's (AEE) Illinois unit and Exelon subsidiary ComEd are among the major service providers in Illinois. Kenosha in Wisconsin was also placed under a similar warning.
Flood warnings were also raised for Indiana's Fort Wayne, primarily served by American Electric Power (AEP) subsidiary Indiana Michigan Power; and Ohio's Jackson, where AEP's Ohio unit is the primary service provider.
In Florida, Daytona Beach and areas near Ocala, primarily served by NextEra Energy (NEE) unit Florida Power & Light Company and Duke Energy, were also placed under a flood warning watch.
A red flag warning was raised for California's Tulelake, Canby, Alturas, and Likely, primarily served by PacifiCorp's Pacific Power.