National Weather Service United States Department of Commerce

On This Day In

                   Weather History

 April 12th

Local and Regional Events:

April 12, 1970:

A strong spring storm affected the northern and western two-thirds of South Dakota. Heavy snow fell throughout the morning hours dumping over a foot of snow over a large area of the state. Winds whipped the snow into 2 to 4 foot drifts across much of northern South Dakota. The Aberdeen area was the hardest hit with around 17 inches reported. While southeast South Dakota, southwest Minnesota, and northwest Iowa did not feel the effects of the storm, east central South Dakota was not as fortunate. Freezing drizzle and freezing rain resulted in heavy icing in east central South Dakota causing extensive damage. The ice storm caused power outages to 20 to 80% of the rural electric service in the area. 

U.S.A and Global Events for April 12th:

1927: A tornado wiped out the town of Rock Springs Texas, killing 72 persons 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.  

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.

1945: A series of major 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 at Warm Springs, Georgia.