Violent tornadoes strike Nebraska, Iowa amid threat for more Saturday

Satellite image showing severe thunderstorms across the Central U.S., along with lightning flashes on April 26. Photo: CIRA/RAMMB Thunderstorms spawned numerous tornadoes across the Plains Friday, some of which turned violent and destructive in Nebraska and Iowa. Why it matters: The storms, forecast to be spread across several states, reserved their fury for just two, in an outbreak without a recent precedent. • The National Weather Service issued at least four tornado emergencies, its most dire type of tornado alert, indicating an imminent threat of potentially catastrophic damage in a...