Update: NWS issues tornado warning until noon
The National Weather Service has upgraded Johnson County to a tornado warning until noon. The sirens heard in De Soto are not test sirens and the Northwest Consolidated Fire District recommends seeking shelter immediately.
The National Weather Service Storm Prediction Center in Norman, Okla. has issued a tornado watch for Johnson County in effect until 6 p.m. tonight.
The storm system moving through the area is capable of producing hail up to two inches in diameter and winds up to 70 mph, according to the NWS.