Daytime Tornadoes News Today

>> 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 arent 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....

Forgive him. A lawyer for nfl Star Rashee Rice says hes cooperating with police after reports his car was involved in a major crash. Authorities asking for help i. D. Ing the man in this video. And hes young and driven. The Gamer Turned Nascar star who just claimed his first major checkered flag. Announcer this is nbc nightly news with lester holt. Good evening and welcome. Breaking tonight, a pair of closely watched Abortion Rulings late today by floridas supreme court. The conservative Majorit...

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, weve got severe weather, especially tonight. we are looking a...

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 im living in the warmer sector areas what do i need to be doing today to make sure that im safe? >> you need to have an app on your phone or a noah weat...

Evening tornadoes are more dangerous than daytime tornadoes. we want to talk about the pattern change. weve seen excessive warmth. climate change and warmth is correlated. you notice the warmth in place across portions of the eastern u.s., we arre 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 w...

>> the result of dry line convergence means we have air moving upwards in the atmosphere. baseball-size hail can be significant and damaging. >> oh, yeah. and people here in wichita definitely know from the last several years baseball to softball-size hail can really do damage. >> yes, it can. good to talk to you. thank you very much. you thought we had some tools at the weather channel? they geek out about it here. but this is no laughing matter. we have to watch this very, very closely. the th...

This is why theyre so unpredictable. you know where theres a chance in a general where where the storms will happen, with storm chasers on the ground, you can see when it hits the ground and theyre so erratic, and so hard to keep an eye on. with storm systems, you look at the radar like we did all day long, you combine what you see through technology with what you see on the ground, thats why daytime tornadoes, it is helpful to have the spotters on the ground because you can piece all those piec...