Weather History

This Day In Weather History

In 1987, severe thunderstorms invaded the northwest & northern U.S. from Utah to North Dakota. In Teton County Wyoming, around 45 miles northeast of Jackson, a huge F4 tornado cut across the Teton Wilderness. The tornado's track was 24 miles long and reportedly nearly one and a half miles wide. It leveled around 15,000 trees. Occurring at an elevation of around 10,000 feet, it was the highest elevation of an F4 tornado on record. Most of the trees that were leveled were 80 to 100 foot tall mature Lodgepole Pines. Parts of North Dakota were raked by 12 tornadoes, baseball sized hail, and destructive winds. The high winds toppled a pair of 80 foot radio towers near Blanchard.

In 1911, the low temperature plunged to 10 degrees in Painter, Wyoming. This set the all time record low for July in the continental United States.

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In 1983, the world's coldest temperature, a wonderful 128.5 degrees below zero, was measured at Vostok, Antarctica. This broke the previous world record of 127 degrees below zero that had been set on August 24th, 1960.
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