A tornado watch has been issued for a large area from Ohio to New Jersey.
2:45pm EDT radar shows thunderstorms developing rapidly across this area. The red polygons on this map are severe thunderstorm warnings.
In the Midwest, I believe the outlook below from SPC is quite good. However, later data indicates the higher threat has enlarged farther south into north central Oklahoma. So, I have added red
Note: I'm storm chasing the rest of the day. Please follow me on Twitter @usweatherexpert.
UPDATE: 1:556PM. Just as I pushed the "publish" button, SPC issued a second tornado watch. This is for Kansas and Missouri and includes Kansas City.