There are a number of videos embedded into the galleries, however most are not on YouTube.
Below are some of the highlights from the 2011 chase.

Chickasha, OK - May 24th, 2011
Spotting activities confirm a tornado prior to radio repeater power being lost.

Dim lights

Lawton, OK - 17th April 2013
Day & Night spotting operations. Lawton hit by one tornado warned storm after another.

Dim lights

Mississippi - 18th April 2013
Close lightning strike scorches the earth in rural area of Mississippi

Dim lights

Philip, SD - May 9th, 2011
Regardless of how careful I was, night spotting always has its dangers. Tornado passes very close to my vehicle moving West, with a storm track of North East.

Dim lights  

Piedmont, OK - 30 May, 2012
A tornado warned storm produced up to 6" hail - Watch 3" hail fall around the vehicle just after a rain wrapped tornado formed
Dim lights

Melrose, NM - 12th June 2012
Entering a 3.5" hail core and smashing the windscreen and other parts of the car during a storm chase in June.
Dim lights

Sydney, Australia - 19th February, 2012
Watch Daniel Shaw get in the "deep end" (literally) when flash flooding hits Sydney
Dim lights