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announcer: this is nbc nightly news with lester holt good evening, and thank with us. official assurances that all is safe near the site of that ohio toxic train derailment aren t playing well with many area residents tonight, not with people experiencing physical symptoms and fish dying by the thousands in nearby streams. it has been almost two weeks since the train jumped the tracks in eastern ohio near the pennsylvania border spilling tanker cars carrying hazardous chemicals. after a controlled burn meant to avert a catastrophic explosion, officials signaled it was safe for evacuated residents to return, but tonight there is worry, skepticism, and anger about what is really happening and about what people are being told ron allen is covering it for us tonight. reporter: tonight outrage growing less than two weeks after that massive train derailment and the controlled burn of hazardous chemicals sent up a toxic plume of black smoke in east palestine, ohio. ....
Classes here are canceled through the week lester. all right, maggie vespa, thank you. severe weather is a threat tonight and tomorrow for tens of millions of people living in the south. al roker is tracking it for us. al, what are we looking at well, lester, on the north side of the storm, 32 million people from the four corners to michigan under winter weather advisories, winter weather warnings, and then to the south of it, we ve got severe weather, especially tonight. we are looking at 14 million people at risk for damaging winds, hail and dangerous tornadoes, in fact, ef-2 tornadoes or stronger nocturnal, and these are twice as deadly as daytime tornadoes. anywhere from about a thousand miles from cleveland down to new orleans, severe weather tonight for 25 million people, two to four inches of rain especially through the southern plains and to the north, lester, from michigan all the way to iowa, anywhere from two to eight inches of snow all right, al, thanks very much fo ....
And then even toward tonight and the problem is some of this does go into the overnight hours. those overnight tornadoes are twice as deadly as daytime tornadoes. now this is all gone as we wake our way 48 hours from now. we still have a lot of rainfall to come and the potential for some flash flooding exists already this morning. brianna? if i m living in the warmer sector areas what do i need to be doing today to make sure that i m safe? you need to have an app on your phone or a noah weather radio something that will alert you when you get a storm approaching you. you need more than one way or getting this warning, whether it s a tornado warning, severe thunderstorm warning. some of these severe thunderstorm warnings can have 100 mile-per-hour winds. even though it s just wind damage. if you re in a mobile home, if you see a storm approaching, get to your closest storm shelter. we see the forces there on that truck. narrow miss there. chad, thank you so much. you re welcome. ....
Evening tornadoes are more dangerous than daytime tornadoes. we want to talk about the pattern change. we ve seen excessive warmth. climate change and warmth is correlated. you notice the warmth in place across portions of the eastern u.s., we ar re talking about temperatures 40 degrees above average. as many as 70 records could be set across the u.s. temperatures in chicago up to the close middle 60s when 30s are the normal. incredible warmth. pedram before you leave us, just very briefly. do we know why it s shifted other the last 40 years to the east? we do not. that s the issue with tornadoes in particular. the data is coming in that we re seeing activity shift a little farther to the east, but it is ....