a huge black cloud covering the entire area like a dome. in nearby cameron, illinois damage from the storm is extensive. wrecked homes and downed power lines. the governor has dispatched emergency teams in the area. more storms in the forecast today. let's get to meteorologist derek van dam. >> terrifying video in illinois. we highlighted the moment the storm was spawned out of the supercell in illinois. notice the invert across the radar imagery. this is a tornado vortex signature. this area that is shown wrapping tightly around the rotating thunderstorm creating the multivortice wedge tornado that moved into the cameron region that caused significant damage for those two locations. this is all in a series of storms that produced about eight