1 The Tri-State Tornado lasted for 3 1/2 hours, starting down at 1:01pm 3 miles NNW of Ellington, MS and dissipating at 4:30pm 3 miles SW of Petersburg, IN. 2  Average forward speed of this tornado was 62 miles-per-hour with a record setting speed of 73 miles-per-hour at one point.
The side effects of a blown head gasket include oil and coolantmixing, poor performance, and smoking.
MYTH: Only a blow to the head can cause a concussion. REALITY: A knock to the head is usually the way a concussion occurs, but any severe jolt to the body can cause this injury. For example, bad whiplash in a car accident or being shaken violently can also rattle the brain in the skull, resulting in a concussion.