Final answer:
The information given is the tornado's velocity, which is a speed with a specific direction; here it is 40 miles per hour to the east.
Step-by-step explanation:
The information that a tornado has been spotted in the area, moving at 40 miles per hour to the east, represents the tornado's velocity. Velocity is not just a speed, but speed with a specific direction. In this case, the speed component is the 40 miles per hour and the direction is east, which when combined, defines velocity.