In 1889 – The Johnstown disaster occurred, the worst flood tragedy in U.S. history. Heavy rains collapsed the South Fork Dam sending a thirty foot wall of water rushing down the already flooded Conemaugh Valley. The wall of water, traveling as fast as twenty-two feet per second, swept away all structures, objects and people. 2100 were killed.
In 1941 – Thunderstorms hammered Burlington, Kansas, with 12.59 inches of rain to establish a 24 hour rainfall record for the state.
In 1990 – Afternoon and evening thunderstorms developing along a warm front produced severe weather from northwest Texas to southeastern Louisiana. The thunderstorms spawned sixteen tornadoes, including thirteen in northwest Texas. One tornado hit the town of Spearman in Texas causing more than a million dollars damage.