Heavy downpours from a line of thunderstorms passing through the region has triggered road closures.

The westbound on-ramp at Interstate 30 and St. Michael Drive is closed due to flooding.

Also closed is the intersection of 40th St. and Potomac.

A tree is blocking the roadway at 35th St. and Sanderson Ave.

A severe thunderstorm warning is in effect for Bowie, Cass, Miller and Hempstead counties until 6 p.m.

The storm may produce heavy downpours, quarter-size hail and winds in excess of 60 mph.

Drivers are urged to use extreme caution or to stay off the roadways if at all possible until the storm passes.

Watch the Gazette website for more developments.

Published: 03/28/2014