Tough to narrow it down to just three; each and every tornado/chase is rememberable for a variety of reason. Two things I really enjoy that help get a chase day to the top of my list 1) Close intercepts, I enjoy nothing more than getting a close intercept when it can be done safely; I love to hear the roar of the tornado, it's what I remember and replay more than any other aspect of a tornado. The second and substantially less important thing is, nailing tornadoes with no one else around, I love nothing more than filming a spectacular storm with no one else around. All that being said, it's no surprise the top 3 days on my list are days when I was able to get close intercepts, seems if I am able to hear the tornado all else aside, that chase will quickly leap many others on my list...
As of Today: 1) May 22 2008 Filmed several tornadoes, including a (true) wedge as well as a large and quickly morphing tornado from a VERY close distance. What pushed this day to #1 is the fact that from the time I saw the first tornado all the way to the last one (7 if I recall correctly) I didn't come across even one other chaser, unheard of this day and age...
2) May 29 2008 Glen Elder crazy storm that produced some extremely exciting structure and tornadoes, the treat this day was how the storm track and road network provided for multiple close intercepts, including watching the tornado cross over the Glen Elder dam just from less than 1/4 mile. I know there were a lot of chasers out this day, though up close it wasn't a problem, only negative this day was the fact that the tornadoes were close to dark, hurting photo and video ops...
3) June 17 2009 Grand Island Storm not just in my top 3 because it was recent and is fresh in my mind. This truly was a special chase, was able to watch the storm from birth and follow it through many cycles and document a hand full of tornadoes.
http://www.severechase.com/6.17.09.html
Tons of "honorable Mention's" but the ones that hurt the most to exclude are:
4-15-06 Beatrice Tornado Close Intercept
3-28-07 Bird City area and Multiple Tornadoes
4-21-07 Tulia TX Tornado
5-23-08 Several Tornadoes including couple large ones