On This Day In Weather History - September 21
Strong southerly winds averaging more than 20 mph, with gusts to 34 mph helped the temperature to climb from a morning low of 68 degrees to an afternoon high of 96 degrees, it was the windiest September of record with an average wind speed of 12.4 mph.
After an unsuccessful battle with the English fleet, the Spanish Armada encountered strong storms and high winds off the coast of Ireland on its way back to Spain. 26 ships are believed to have been lost. The remaining ships limped back to Spain defeated and demoralized, ending the reign of the once unbeatable Spanish Armada.
A huge tornado outbreak swept from Iowa through Minnesota to Wisconsin, with an unusual number of extremely violent tornadoes. The tornado that rampaged through Kossuth County, MN, was likely an F5 as homes and farms were wiped clean from the earth.
The New England Hurricane was one of the most destructive and powerful storms ever to strike southern New England. The storm roared ashore over Long Island, N. Y. at nearly 60 miles per hour, at the time of high tide. This created a deadly tidal surge, which submerged downtown Providence, RI under 20 feet of water. Hurricane force winds were felt throughout New England, with a gust to 186 mph at the Blue Hill Observatory in Milton, MS. The Great New England Hurricane of 1938 was responsible for nearly 600 deaths.