1 Estimated amount of water needed to replace the water used by plants and evaporation from the past week. (Negative numbers mean amount of water needed, positive numbers mean excess water is present.)
2 Air Quality Index is provided by Texas Commission on Environmental Quality (TCEQ).
Today in Weather History
Weather History for May 20
1894 A record late snow of two to eight inches whitened parts of central and eastern Kentucky. Lexington KY received six inches of snow. (The Weather Channel)
1916 A tornado struck the town of Codell, KS. A tornado struck the town on the same day the following year (1917), and a third tornado hit Cordell on May 20th in 1918. (The Weather Channel)
1957 A tornado touched down to the southwest of Kansas City and traveled a distance of seventy-one miles cutting a swath of near total destruction through the southeastern suburbs of Ruskin Heights and Hickman Mills. The tornado claimed the lives of forty-five persons, and left hundreds homeless. It was the worst weather disaster of record for Kansas City. About all that remained of one house was a small table and a fish bowl atop, with the fish still swimming about inside the bowl, rather unconcerned. (The Kansas City Weather Almanac)
1987 Thunderstorms in southern Texas produced grapefruit size hail, near the town of Dilley ("by dilly"), and produced wind gusts to 73 mph at Lake Amistad. The large hail broke windows, killed small animals, and damaged watermelon. Thunderstorms developing along a warm front produced severe weather from Indiana to the Dakotas. Thunderstorms produced baseball size hail at Denver IA, and wind gusts to 80 mph in southern Henry County IL. (Storm Data) (The National Weather Summary)
1988 Thunderstorms in the south central U.S. produced wind gusts to 70 mph at Omaha, NE, and wind gusts to 80 mph at Midland and Dallas, TX. Temperatures in California soared into the 90s and above 100 degrees. San Jose CA reported a record high of 97 degrees. (The National Weather Summary) (Storm Data)
1989 Pre-dawn thunderstorms produced large hail in eastern Oklahoma and northwestern Arkansas. Later in the morning thunderstorms in North Carolina produced dime size hail at Hanging Dog. Thunderstorms also produced severe weather from the Lower Mississippi Valley to the Central Plains Region later that day and night, with baseball size hail reported around Lawn, Novice and Eola TX. (The National Weather Summary) (Storm Data)
1990 Thunderstorms produced severe weather across the southeastern quarter of the nation through the day and night. Severe thunderstorms spawned six tornadoes, including one which injured two persons at Algoma, MS, and another which injured nine persons at Rogersville, MO. There were 119 reports of large hail or damaging winds. Thunderstorms produced baseball size hail at Houston MO and damaging winds which killed one person at Toccoa GA. (Storm Data) (The National Weather Summary)
