April 20

TodayinWeatherHistoryFrom NWS
: Heavy snow fell across portions of far western Iowa during the afternoon and evening hours, with unseasonably cold temperatures and increasing winds combining to produce wind chills below zero in some areas. Reported snowfall amounts included 6.0 inches at Logan and Oakland, 7.0 inches at Clarinda, 8.0 inches at Castana, 9.3 inches at Red Oak, and 12.0 inches at Sidney which surpassed their total snowfall for the rest of the 1991-1992 season (10.3 inches). The 12.0 inch total at Sidney also tied the incredible storm of April 20, 1918 for the latest date of the spring on which a foot or more of snowfall has been recorded in Iowa.

1918: An incredible late season winter storm struck portions of southwestern and southern Iowa on April 19-21. Precipitation began as rain on the 19th then changed over to snow with the heaviest accumulations coming on the 20th. The highest storm total was at Lenox where an amazing 25.2 inches of snow fell, with 24.0 inches of that total falling just on the 20th which set the all time calendar day snowfall record for Iowa. Other storm total snowfall amounts in the heaviest swath included 24.0 inches at Bedford, 20.3 inches at Mount Ayr, 20.0 inches at Lamoni, 16.5 inches at Clarinda, and 16.0 inches at Corning. Bedford, Mount Ayr, and Corning all received 15 to 17 inches of their totals in a 24 hour period around the 20th. Further north and east storm total accumulations included 9.0 inches at Creston, 8.5 inches at Pella, 7.0 inches at Knoxville, 5.0 inches at Bloomfield, Ottumwa, and Winterset, 4.0 inches at Keosauqua, and 3.8 inches at Des Moines.

  This Day in National/World Weather History …
 20 April 1920 → Tornadoes struck Mississippi and Alabama, killing 219 people. One F4 touched down in eastern Mississippi and then stayed on the ground for 130 miles, tearing through Marion, Franklin, and Colbert Counties in Alabama. Another F4 destroyed homes in the communities of Gurley and Brownsboro.
 20 April 1990 → Lightning struck a building housing a fish farm in Arkansas, killing 10,000 pounds of fish.


Posted under Weather History

This post was written by Schnack on April 20, 2013