The US National Weather Service on Thursday said the remnants of Tropical Storm Arthur could cause life-threatening, potentially catastrophic flash flooding as it passes through the central Gulf coast.
The western parts of the US are likely to experience isolated, scattered dry thunderstorms, with the potential to cause lightning-ignited fires amid the presence of gusty winds on Friday.
The NWS issued a red flag warning early Friday for Utah's Nephi, Delta, Manti, Wendower, Milford, Cedar City, and St. George, primarily served by PacifiCorp subsidiary Rocky Mountain Power.
A similar warning was raised for Idaho's Caldwell and Twinfalls, where Idacorp's (IDA) Idaho Power is the major service provider.
Affected areas in Oregon included Chemult, Crater Lake, Silver Lake, Paisley, Chiloquin, Bly, Klamath Falls, Lakeview, Adel, Burns, Ashland, Cave Junction, and Jordan Valley. These areas are primarily served by PacifiCorp's Pacific Power and Idaho Power.
A red flag warning was raised late Thursday for the entirety of Nevada, which primarily falls under the service area of Berkshire Hathaway Energy unit NV Energy.
Also covered under a similar warning were Arizona's Kingman, Bullhead City, Lake Havasu City, and areas near Grand Canyon Village. These places are primarily served by UNS Energy unit UniSource Energy Services and Pinnacle West Capital's (PNW) unit Arizona Public Service Company
California's Yreka, Mount Shasta, Redding, Susanville, Bieber, Cedarville, Willow Creek, Gasquet, Markleeville and Bridgeport were also placed under a similar warning. Pacific Power, Algonquin Power & Utilities subsidiary Liberty, and PG&E (PCG) unit Pacific Gas and Electric Company are among the major electric utility service providers in these places.
In Texas, an extreme heat warning was raised for Zapata, Hebbronville, Falfurrias, Sarita, Rio Grande City, Raymondville, McAllen, Harlingen, Port Mansfield, Weslaco, Brownsville, and South Padre Island. Meanwhile, a flood warning was raised for Beaumont, Orange, Lufkin, and George West. These places are majorly served by the Texas units of American Electric Power (AEP) and Entergy (ETR), and Centrepoint Energy (CNP).
A flood warning was also issued for Louisiana's Jennings, De Quincy, Lake Charles, Oberlin, Glenmora, Oberlin, Marksville, Lake Charles, Baton Rogue, Hammond, and De Ridder. Entergy's Louisiana unit, American Electric Power's Southwestern Electric Power Company, and Cleco are among the major service providers in Louisiana.
Mississippi's Hattiesburg, Gulfport, Brookhaven, Laurel, Meridian, and Jackson, primarily served by Southern Company (SO) unit Mississippi Power, were also listed under a flood warning watch. Laurel was also under a flash flood warning.
A flood warning was raised for Pensacola and DeFuniak Springs in Florida, where NextEra Energy (NEE) unit Florida Power & Light Company is the primary service provider.
Alabama's Demopolis, Monroeville, Brewton and Mobile were covered under a flood warning, while a flash flood warning was raised for areas near Monroeville. The state is primarily served by primarily served by Southern Company unit Alabama Power.
A flash flood warning was also issued for Columbus in Georgia, where Southern Company subsidiary Georgia Power is the major service provider.
In Illinois, the NWS issued a flood warning for Peru, Peoria, Macomb, Canton, Havana, Jacksonville, Champaign, Decatur, Pekin, and Carbondale. Ameren's Illinois unit and Exelon (EXC) subsidiary ComEd are among the major service providers in Illinois.
Indiana's Vincennes, Lafayette, Terre Haute, and Seymour were also covered under a flood warning. Duke Energy (DUK), the Indiana unit of AES (AES), and CenterPoint Energy are among the major electricity providers in these places.
The NWS also issued flood warnings pockets of Missouri, Washington, Ohio, and West Virginia.