Be sure to click on the video portion of this week's World of Weather.
One thing that wasn't covered in the video was the composition of the asteroid. According to Planetary.org, our asteroid was classified as a C-Type asteroid. This means the large object was composed of carbon-based minerals. Nothing special here, 75% of all asteroids fall into this category.
"These asteroids have approximately the same chemical composition as the Sun, but lack hydrogen, helium, and other volatiles"
The impact from an asteroid the size of four football fields would leave a crater 4 miles wide and 700 feet deep. Accordingly, if it landed in a body of water, the tsunami wave would reach 70 feet and resemble a magnitude 7 earthquake.
Feel free to comment or ask questions. Oh, and I have to thank Jason Ware for the video of the asteroid.