21 February in Weather History



Station data

Station Data

Records


-- no data for this day --


Statistics

Maximum temperature
The maximum measured temperature on this day was 80.1 °F in 2018 at 15.02.
Minimum temperature
The minimum measured temperature on this day was 27.7 °F in 2020 at 07.40.
Maximum humidity
The maximum measured humidity on this day was 99 %.
Minimum humidity
The minimum measured humidity on this day was 37 % in 2017 at 14.25.
Maximum pressure
The maximum measured pressure on this day was 30.53 inhg in 2020 at 11.23.
Minimum pressure
The minimum measured pressure on this day was 29.88 inhg in 2016 at 16.55.
Maximum wind speed
The maximum measured wind speed on this day was 7.2 mph in 2018 at 13.09.
Maximum wind gust
The maximum measured wind gust on this day was 13 mph in 2018 at 11.15.


US Weather Events

US Weather Events

1918 102 yrs ago
A spectacular chinook wind at Granville, ND, caused the temperature to spurt from a morning low of 33 degrees below zero to an afternoon high of 50 degrees above zero. (David Ludlum)
1935 85 yrs ago
Frequent duststorms occurred in eastern Colorado during the month, forcing schools to close and people to stay indoors. A fatality occurred on this date when two section cars collided on the railroad near Arriba CO, due to poor visibility. (The Weather Channel)
1936 84 yrs ago
The temperature at Langdon, ND, climbed above zero for the first time in six weeks. Readings never got above freezing during all three winter months. (David Ludlum)
1971 49 yrs ago
An outbreak of tornadoes hit northeastern Louisiana and northern and central Mississippi. The tornadoes claimed 121 lives, including 110 in Mississippi. Three tornadoes accounted for 118 of the deaths. There are 1600 persons injured, 900 homes were destroyed or badly damaged, and total damage was 19 million dollars. (David Ludlum)
1971 49 yrs ago
Elk City, OK, was buried under 36 inches of snow to establish a 24 hour snowfall record for the state. (David Ludlum)
1987 33 yrs ago
Low pressure over central California produced gale force winds along the coast, and produced thunderstorms which pelted Stockton, Oakland and San Jose with small hail. (The National Weather Summary)
1988 32 yrs ago
A storm tracking across southern Canada produced high winds in the north central U.S., with gusted to 90 mph reported at Boulder CO. The high winds snapped trees and power lines, and ripped shingles off roofs. The Kentucky Fried Chicken Bucket was blown off their store in Havre MT. An eighteen foot fiberglass bear was blown off its stand along a store front in west Cody WY, and sailed east into downtown Cody before the owners were able to transport their wandering bear back home in a horse trailer. (The National Weather Summary)
1989 31 yrs ago
Thunderstorms developing during the morning hours spread severe weather across Georgia and the Carolinas. Strong thunderstorm winds caused one death and thirteen injuries in North Carolina, and another four injuries in South Carolina. (The National Weather Summary)
1990 30 yrs ago
Overnight thunderstorms produced heavy rain in central Texas. Rainfall totals ranged up to 2.80 inches at Camp Verde, with 2.20 inches reported at Leakey. Thunderstorms early in the day produced high winds in southern Texas, with wind gusts to 60 mph reported at Alice. Daytime thunderstorms in eastern Texas drenched Rosenberg with four inches of rain. (The National Weather Summary)
Data source: http://www.weatherforyou.com/


World Records

World Records


-- no data for this day --


F5 tornadoes

F5 tornadoes

1971 49 yrs ago
Delhi, Louisiana 1973 fatalities
February 1971 Mississippi Valley tornado outbreak – Only official F5 in Louisiana history, but the rating is questioned by Grazulis, who assigned an F4 rating. Homes were completely leveled east of Delhi.
Official F5/EF5, but rating is disputed; event may not have been F5/EF5


Deadly earthquakes

Deadly earthquakes

1946-02-21 15.43 UTC 74 yrs ago
Turkey (map) , 60 km deep Magnitude: 5.6 UK
Total deaths resulting from an earthquake (Utsu catalog)12

1960-02-21 08.13 UTC 60 yrs ago
Algeria (map) , 33 km deep Magnitude: 5.6 UK
Total deaths resulting from an earthquake (Utsu catalog)47

1996-02-21 12.51 UTC 24 yrs ago
Peru (map) , 15 km deep Magnitude: 7.5
Secondary effectstsunami
Deaths resulting from earthquake shaking0
Total fatalities resulting from earthquake shaking and secondary effects7

1999-02-21 18.14 UTC 21 yrs ago
Russian Federation (map) , 41.9 km deep Magnitude: 5.3
Deaths resulting from earthquake shaking1
Total fatalities resulting from earthquake shaking and secondary effects1
Total deaths resulting from an earthquake (Utsu catalog)1
Total deaths resulting from an earthquake (Emergency Events Database)1

2011-02-21 23.51 UTC 9 yrs ago
New Zealand (map) Magnitude: 6.3
Secondary effectsliquefaction
Improved fatality estimates from official reports and detailed scholarly studies181



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