21 April


US Weather events

US Weather events

1958 60 yrs ago
Portions of Montana were in the midst of a spring snowburst. Snowfall amounts ranged up to 55 inches at Red Lodge, 61 inches at Nye Mine, and 72 inches at Mystic Lake. (David Ludlum)
1967 51 yrs ago
Severe thunderstorms spawned 48 tornadoes in the Upper Midwest. Hardest hit was northern Illinois where sixteen tornadoes touched down during the afternoon and evening hours causing fifty million dollars damage. On that Friday afternoon tornadoes struck Belvidere IL, and the Chicago suburb of Oak Lawn, killing 57 persons. (David Ludlum)
1980 38 yrs ago
The temperature at International Falls MN hit 90 degrees. (The National Weather Summary)
1987 31 yrs ago
Unseasonably warm weather prevailed from the Gulf of Mexico to New England and the Great Lakes Region, with twenty-nine cities reporting record high temperatures for the date. Afternoon highs of 82 degrees at Caribou ME, 94 degrees at Mobile AL, 95 degrees at Monroe LA, and 93 degrees at New Orleans LA, were records for the month of April. (The National Weather Summary)
1988 30 yrs ago
After having had just twelve rainouts in the previous twenty-six years at Dodger Stadium, a third day of heavy rain in southern California rained out a double-header at Dodger Stadium which had been scheduled due to rainouts the previous two days. (The National Weather Summary)
1989 29 yrs ago
The temperature at Las Animas, CO, soared to 100 degrees to establish a state record for April. Twenty-two cities in the central and southwestern U.S. reported record high temperatures for the date. Eight cities equalled or exceeded previous April records. (The Weather Channel)
1990 28 yrs ago
Afternoon and evening thunderstorms produced golf ball size hail in Oklahoma, and also caused some flash flooding in the state. Thunderstorms over the Southern High Plains produced golf ball size hail at Roswell NM and El Paso TX. Easterly winds and temperatures near zero produced wind chill readings as cold as 50 degrees below zero for the spring festival (Piuraagiaqta)
2007 11 yrs ago
The South Plains and Panhandle of West Texas were hit by an outbreak of severe thunderstorms. Between the hours of 5 and 6 pm, several thunderstorms developed across the western South Plains. Around 7 pm, a supercell produced a tornado which touched down around Fieldton (southwest of Olton)
Origine dati: http://www.weatherforyou.com/


World records

World records


-- no data for this day --


F5 tornadoes

F5 tornadoes


-- no data for this day --


Deadly earthquakes

Deadly earthquakes

21.04.1918 22:32 UTC 100 yrs ago
United States (mappa) , 15 km deep Magnitudo: 6.8 UK
Total deaths resulting from an earthquake (Utsu catalog)1

21.04.1955 07:18 UTC 63 yrs ago
Greece (mappa) Magnitudo: 6.0 UK
Total deaths resulting from an earthquake (Utsu catalog)7

21.04.1977 04:24 UTC 41 yrs ago
Solomon Islands (mappa) , 45.1 km deep Magnitudo: 7.3
Secondary effectstsunami
Deaths resulting from earthquake shaking0
Total fatalities resulting from earthquake shaking and secondary effects18
Total deaths resulting from an earthquake (Utsu catalog)18

21.04.2007 17:53 UTC 11 yrs ago
Chile (mappa) , 36.7 km deep Magnitudo: 6.2
Secondary effectstsunami, landslide
Deaths resulting from earthquake shaking0
Total fatalities resulting from earthquake shaking and secondary effects10
Total deaths resulting from an earthquake (Emergency Events Database)10





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