WX History: April 12th

1927: A tornado wiped out the town of Rocksprings, Texas, killing 72 people and causing 1.2 million dollars damage. The tornado was more than one mile in width and destroyed 235 of 247 buildings, leaving no trace of lumber or contents in many cases. Many survivors were bruised by large hail that fell after the passage of the tornado.

Source: Weather Underground.

1934: Winds atop Mount Washington New Hampshire, averaged 186 mph for five minutes, with a peak gust of 231 mph, the highest wind speed ever clocked in the world at that time.  In a report released by the World Meteorological Organization (WMO), that record was toppled in 1996 at Barrow Island, Australia during Typhoon Olivia. The new world record is now 253 mph. The 316 mph wind speed recorded at Moore, Oklahoma on 5/3/1999 logged during an F5 tornado was not recorded at ground level.

Source: Mount Washington Observatory.

1945: A series of significant tornadoes raked Oklahoma, Arkansas, Missouri, and Illinois. Antlers, Oklahoma were nearly obliterated by a massive F5 tornado that zigzagged from southwest to northeast across the town. 69 people died in the twister. Another tornado killed 8 people in Oklahoma City, Oklahoma. The disaster was overshadowed by the loss of President Franklin Roosevelt, who died suddenly at his vacation home in Warm Springs, Georgia. 

1966:

1985:

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