The sound caused by lightning. Depending on the distance and nature of the lightning, thunder can range from a sharp, loud crack to a long, low rumble. Wikipedia
In a random sample of videos for this class, we found 9 / 10 (90%) were accurate. Note that quality in the unbalanced training set may be significantly lower. Learn more.
You are viewing just the balanced train videos for Thunder. To view all dataset videos for Thunder, go back.