Can Lightning Travel Horizontally?

Can Lightning Travel Horizontally? Bolt from the blue: A positive lightning bolt which originates within the updraft of the storm, typically 2/3rds of the way up, travels horizontally for many miles, then strikes the ground. Is lightning directional? The answer is both. Cloud-to-ground (CG) lightning comes from the sky down, but the part you see

Can Lightning Travel Sideways?

Can Lightning Travel Sideways? Perhaps the most dangerous lightning appears as “bolts from the blue” — lightning that begins upward, but then moves sideways and then downward to hit the ground as much as three miles from a thunderstorm. About 90 percent of lightning occurs inside clouds and is not visible to the casual observer.