article_snippet.sent: (CNN)Tornado sirens blared Wednesday night in Kansas as several storms brought reports of twisters.
article_snippet.sent: There will be storms ... that pop up all night long," said CNN severe weather expert Chad Myers.
article_snippet.sent: Nighttime tornadoes are the most deadly, are the most dangerous.
article_snippet.sent: On Thursday, more storms are expected in the Midwest, Mississippi River Valley, Tennessee River Valley and near the southern Great Lakes, the weather service said.
highlights_snippet.sent: Thursday's forecast calls for more storms but to the east .