TULSA, Okla. – Our most recent cold front brought a big change to the state. The result was a hard freeze late Sunday night into Monday morning and a rather chilly 48-hour stretch compared to last week.
While this cool-down is brief and relatively mild, it serves as a reminder of one of the most dramatic temperature swings in Oklahoma history, an event that happened 114 years ago.
On November 11, 1911, Tulsa and much of the southern and central Plains experienced one of the most extreme temperature drops ever recorded in the U.S. That afternoon, Tulsa reached a high of 85°F, but by the next morning, temperatures had plunged to 15°F, resulting in a staggering 70-degree drop in less than 18 hours.
This powerful cold front, known as the Great Blue Norther, swept through with little warning. In Oklahoma City, the change was nearly as dramatic, with temperatures falling from 83°F to 17°F by midnight, a 66-degree swing…