1910: The worst avalanche in US history regarding lives lost, occurred Wellington, Washington. Heavy snow occurred from February 26 through the 28, which blocked the rail lines. Weather conditions turned on the 28th with a thunderstorm occurring over the area. Just after 1 AM on March 1, a ten to 14 foot high mass of snow broke free from the mountainside and pushed the trains 150 feet down into the Tye River Gorge. In all, 96 people were killed by this avalanche.
1964: KAUZ in Wichita Falls, Texas broadcast the first live television pictures of an F5 tornado moving through the city. Seven people were killed, 111 injured and 225 homes were destroyed during the twisters 5 to a 6-mile path. Extensive damage was done at Sheppard Air Force Base where three tanker planes, a hanger, the power plant, and the chapel were all destroyed. Damage estimates exceeded $15 million dollars.
Source: Significant Tornadoes 1680 – 1991, by Thomas Grazulis.
1974: A “Super-Outbreak” of tornadoes ravaged the Midwest and the Eastern U.S. Severe weather erupted early in the afternoon and continued through the next day. Severe thunderstorms spawned 148 tornadoes from Alabama to Michigan, most of which occurred between 1 PM (CST) on the 3rd and 1 AM on the 4th. The tornadoes killed 315 persons, injured 5300 others, and caused 600 million dollars damage. Alabama, Kentucky, and Ohio were especially hard hit by the tornado outbreak. One tornado destroyed half of the town of Xenia, Ohio killing 34 persons. Another tornado, near the city of Stamping Ground, Kentucky produced a path of destruction a record five miles in width. A tornado raced through Guin, Alabama at a speed of 75 mph. Two powerful tornadoes roared across northern Alabama during the early evening hours, killing fifty persons and injuring 500 others. Some rescue vehicles responding to the first tornado were struck by the second.