The National Weather Service has confirmed that a powerful EF-4 tornado tore through southern Kentucky on Friday night, devastating communities across multiple counties.

The National Weather Service has finished its survey of the deadly tornado that ripped through southeastern Kentucky last week.

The NWS in Jackson, KY, said the track for the tornado in Russell, Pulaski and Laurel Counties was 55.6 miles long with a maximum width of 1700 yards, which is almost one mile.

In an update Tuesday afternoon, officials said the tornado that traveled between Pulaski and Laurel counties was an EF-4 with peak winds of 170 mph. It was on the ground for more than 55 miles and was nearly a mile wide at its maximum width.

In Louisville, storms are expected to arrive sometime between 5-8 p.m. Maps issued by NWS Louisville at 12:03 p.m. showed southwestern Kentucky, including Bowling Green, under a greater than 10% risk for tornadoes of at least EF-2 strength within 25 miles.

The agency’s office in Jackson, Kentucky, had begun closing nightly as deep cuts by Elon Musk’s Department of Government Efficiency began hitting. But the weather service kept staffers on overtime Friday night to stay on top of the deadly storms, which killed nearly 20 people in the Jackson office’s forecast area.

The National Weather Service has completed the tornado assessment in Laurel County, Kentucky. The preliminary data showed high end EF3 damage, with low end EF4 indicators, mainly in the Sunshine Hills area of London,

There are more warnings of storms and tornadoes after the US was struck by severe weather that killed at least 28 people and devastated London-Corbin Airport.