The monster Tri-State Tornado is colloquially believed to have been EF5 on the Enhanced Fujita scale, though without enough photographic evidence, it's unlikely that could ever be proven.

An overnight EF-0 tornado was reported in Pico Rivera, California, the weather service said. Damage occurred to homes and cars, along with multiple snapped trees. No injuries were reported.

The other, which had the most severe damage near Diaz in Jackson County, was determined to be a high-end EF4 tornado with maximum winds of 190 mph. For comparison, an EF5 tornado has winds of at ...

Based on the damage staff and volunteers are seeing, Buziecki said, “it’s probably not a monster ... at EF5. The worst to hit Elgin was on March, 28, 1920. Known as the Palm Sunday tornado ...