live in the cnn newsroom. i m jim acosta in washington less than two days after deadly tornadoes ripped through the south and new threat of severe storms is now hanging over some of the hardest hit areas, and the threat includes possible tornadoes. some 30 million people fall under this new threat, including mississippi were 25 people are confirmed killed in friday night s tornado outbreak today, the secretary of homeland security toward the area, along with the head of fema and other top federal officials. they were joined by the state s governor, who delivered this message to his fellow citizens in mississippi. what we ve seen. over the last 36 hours in mississippi, on the one hand, has been heartbreaking to see the loss and devastation of these communities, but on the other hand has been inspiring and gives me great reason for optimism and, quite frankly, makes me proud to be a mississippi and because mississippians have done what mississippians do in times of tragedy in t
from school. o donnell: deadly shark attack. a pennsylvania woman on a cruise killed while snorkeling in the bahamas. and the obamas return to the white house. let me thank my husband, first of all, for such spicy remarks. ( laughter ) this is the cbs evening news with norah o donnell, reporting from the nation s capital. o donnell: good evening, and thank you for joining us on this wednesday night. tonight, wildfires are leaving a trail of destruction amid record-breaking heat in the west. the california heat wave is screching into its eighth straight day with seven states under warnings and advisories. the temperatures are record breaking. salt lake city and fresno, california, had their hottest september days ever. the brutal heat is straining california s power grid and power companies are pleading with the public to conserve energy. the governor there sending out rare text alerts to avoid rolling blackouts. the dry weather has caused more than a dozen wildfires