NEW : A tornado touches down in Missouri , Clay County . So far , just one injury has been reported there . Missouri governor declares state of emergency after town is hit by EF-2 tornado . Risk of more tornadoes , severe storms across The National Weather Service plains Sunday . Sunday storm warnings and advisories issued for parts of the Northeast .
NEW : A tornado touches down in Missouri , Clay County . Missouri governor declares state of emergency after town is hit by EF-2 tornado . Risk of more tornadoes , severe storms across The National Weather Service plains Sunday . Sunday storm warnings and advisories issued for parts of the Northeast .