148 Tornadoes in 18 Hours (Replay)
HISTORY This Week
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The Impact of the 1974 Super Expansion on Weather Science
Dr. Fujita spotted some damage patterns on the ground that didn't look like they were tornado patterns. These are small downbursts of air that we now know often come along with thunderstorms. And Dr. Fujita thinks it might be that these microbursts help trigger the start of more tornadoes during this super outbreak.
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