Tornadoes kill 2 in central U.S.; new storms possible Thursday

Strong storms with tornadoes and hail killed at least two people in the central U.S., injuring others, destroying homes and leaving thousands without power. The National Weather Service began issuing tornado and severe thunderstorm warnings Wednesday evening in Oklahoma, Kansas and Iowa, with forecasters warning people to find shelter.Sign up for The Climate Barometer, delivered right to your inboxCentral Oklahoma saw tornadoes, including one that raced through the communities of Shawnee and Col