Transcript for 3 storm chasers die in Texas car crash, authorities say

Would you say good morning everyone on a Wednesday were tough about the severe storms that are again the threat for parts of Texas and Oklahoma right now. The very strong storm system is now over central Texas and Oklahoma as well as Kansas. With large hail damaging winds heavy rain and tornadoes all possible. Before the Davis starts. Here's a live picture of Dallas where strong storms are moving through right now at least two tornado warnings were issued for the Dallas area overnight. Andy scenes in the meantime all over western Texas as several tornadoes moved. Across the prairie no major damage reported but there were some deaths three Storm Chasers hunting tornadoes. Colliding with each other instead. Overnight violent storms hitting the south this massive tornado touching down west of Dallas show. A family there helplessly watches as the twister heads for their home if there. It didn't love it. Had to fire into the. God does what he go to. The pounding hail hitting this car forcing the driver to pull over. In tragedy striking is well these Storm Chasers killed in a car crash while in pursuit of tornadoes moments after this video was taken part. It ran on it. Around for his. Kelly Williamson and Randy are now racing through the middle rain soaked Texas works out west smarter and now. They're dash cam capturing the seconds before their fatal collision. Williams and behind the wheels off and running stop signs then suddenly they slam into another storm chaser on the hunt 25 year old Corbin Yeager. All three men killed instantly. Williamson and Darnell were stars of the weather channel's new reality series storm wranglers. Both were legends in this dangerous field. Is that really liked about doing this and were able to dream alive. And true to form the men live streaming what would turn out to be their last chase. What a horrible scene that was there and spur Texas out thirties are still investigating what role weather may have played in that crash. Meanwhile here's a look at the threat in that area today it stretches from Houston all the way through little rock and Memphis by tomorrow it heads east into New Orleans and Birmingham.

This transcript has been automatically generated and may not be 100% accurate.