The National Weather Service issued a severe thunderstorm warning for the Hartsfield-Jackson Atlanta Airport and in several counties in and around the metro area Saturday.

Airport officials announced an arriving flight delay of 1 hour and 41 minutes while the Metropolitan Atlanta Rapid Transit Authority announced a power issue affecting rails from the airport to East Point. Riders can take bus shuttles or access an $8 Lyft credit instead.

The service said there was significant threat to property or life in Clayton County, DeKalb County, Gwinnett County, Spalding County, Rockdale County, Butts County, Newton County and Walton County due to weather just after 5 p.m.

At 5:15 p.m., the service said severe thunderstorms were moving southeast with 60 mile per hour gusts. The National Weather Service told residents to expect damage to roofs, siding and trees.

The warnings in most counties will expire by 6 p.m.

Earlier Saturday, the National Weather Service issued a heat advisory in portions of North Central, Northeast and West Central Georgia. The advisory lasts until 8 p.m. Residents are advised to remain inside.