An outbreak of tornadoes occurred on April 21, 1967 across parts of the Midwest states. Per The Storm Prediction Center, there were 46 tornadoes. 5 were given a rating of F4: 1 in MO, 1 in MI and 3 in IL. This summary will focus on the 3 Illinois F4s. It is considered Northern Illinois’ Worst Tornado Disaster.
The official stats from the SPC is that this tornado had a path length of only 1 mile. The max width was 333 yards. There were 300 injuries and 18 fatalities reported. Per Grazulis, most of the 18 deaths were in families of Air Force personnel living on two housing projects.
The Louisville, MS EF4 tornado was a part of a larger outbreak that spanned from April 27-30, 2014. 84 tornadoes occurred during that period with over half of them on April 28. There were 2-EF4 tornadoes during the outbreak and we look at one of those in this summary.
This summary explores one of the 4-catastrophic EF5 tornadoes that occurred on April 27, 2011. A continuous tornado track was found that began west of Hamilton in SW Marion County, AL. The tornado strengthened rapidly and hit the city of Hackleburg as an EF5 with estimated max winds of 210 mph.
The topic of our summary: a long track, well documented event: The Wichita-Andover, KS F5 Tornado. It was the 3rd in a family of 4 tornadoes that pushed through South Central KS during the Plains Tornado Outbreak of April 26, 1991.