Strong thunderstorms moved through the Saint Louis area last night, some containing tornadoes. One of the stronger tornadoes hit the St Louis Lambert Intn’l Airport causing significant damage, especially at concourse C.

“Please note…these findings are preliminary and are subject to change.

…INITIAL DAMAGE SURVEY INDICATES EF4 DAMAGE IN NORTH ST LOUIS COUNTY…

THE NATIONAL WEATHER SERVICE DAMAGE SURVEY TEAM IN NORTH ST LOUIS COUNTY HAS FOUND EF4 DAMAGE IN THE BRIDGETON AREA…NEAR OLD ST CHARLES ROCK ROAD AND HARMON ESTATES.

EF4 DAMAGE INDICATES WINDS OF 166 TO 200 MPH.”