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Use Cases
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Resources
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Pricing
1842
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The principle of sound waves is identified by Christian Doppler.
1860
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The "Great Tornado of the Northwest" kills almost 140 farmers and injures 300.http://cdn.loc.gov/service/pnp/fsa/8b26000/8b26300/8b26387v.jpg
1880
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First group of weather "reporters" documents tornadoes and the weather associated with them.
1884
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More than 800 people are killed by tornadoes in Mississippi, Alabama, North and South Carolina, Tennessee, Kentucky, and Indiana.
1888
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The mention of the word tornado is felt to provoke undue fear and panic and is banned from announcements to the public.
1896
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The Great St. Louis Tornado strikes and injures 1,000 people and kills 225 people.http://photos.mycapture.com/STLT/1255833/35961497E.jpg
1908
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An EF-4 tornado strikes Louisiana and Mississippi.https://www.tangilena.com/sites/tangilena.com/files/styles/medium/public/field/image/Tornado1.jpg?itok=xQFgeX1D
1920
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A series of seven tornadoes strike Mississippi, Alabama, and Tennessee in a three day period. Six of these were rated F-4 but one was rated F-5.http://i.dailymail.co.uk/i/pix/2016/11/30/17/3AE4456300000578-3985380-image-a-58_1480525817411.jpg
1925
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The tri-state tornado rips through Illinois, Missouri, and Indiana killing 747 people.https://upload.wikimedia.org/wikipedia/commons/f/fe/Tri-State_Tornado_trackmap_cropped.png
1928
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The first documented eyewitness account of a tornado is given by Will Keller, a Kansas farmer.
1938
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The word tornado is now included when weather conditions indicate.
1947
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A centralized severe weather forecasting program is established in the United States.
1948
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Scientists accurately predict an outbreak of tornadoes.
1950
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Tornado and severe weather data and plotting are written out by hand.
1950
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The use of Severe Weather Bulletins saves lives.
1952
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The Weather Bureau-Severe Weather Unit is established and issues the first public tornado bulletin. Thirty-six tornadoes causes deaths in Arkansas, Mississippi, Louisiana, Alabama, Tennessee, Kentucky, and Missouri.
1952
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"Tornado Alley" is used to describe the wide strip where tornadoes are most common.http://cmsrobotic.weebly.com/uploads/2/5/0/5/25051189/4109958_orig.jpg
1953
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Deadly tornadoes strike Flint, Michigan; Worcester, Massachusetts; and Waco, Texas.
1965
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Computers begin to be used in weather forecasting.
1967
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EF-5 tornado in Oak Lawn, Illinois caused one of the highest tornado-related deaths in a single school building. This is the high school.http://cvillememories.com/images/Oak_Lawn_High_school.jpg
1974
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More than 300 people are killed in a "super outbreak" of 148 tornadoes in 11 Midwestern states.
1980
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An interactive computer arrives at the Centralized Storm Information Center.
1988
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Doppler radar is used to more accurately predict severe weather.
1989
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The worlds deadliest tornado strikes Bangladesh. It kills 1,300, injures 12,000, and makes 80,000 people homeless. It carves a 10 mile wide path.https://dsx.weather.com//util/image/w/2a585a3b-b0b5-4d5b-b07f-f9004a452a28.jpg?v=ap&w=980&h=551&api=7db9fe61-7414-47b5-9871-e17d87b8b6a0
1997
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The National Severe Storms Laboratory is established as the foremost center for reporting severe weather.
1999
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Devastating outbreak of tornadoes strikes Oklahoma and Kansas.
1999
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By 1999, a tornado warning can be given up to thirty minutes in advance and can save countless lives.http://tribfox40.files.wordpress.com/2014/03/tornado-warning.jpeg?quality=85&strip=all
2011
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The Joplin tornado devastates Joplin, Missouri and is rated an EF-5.http://media.npr.org/assets/img/2011/05/25/2011_05_25-joplin-high-school-entrance_wide-e5650fa575c4c94f69d20438d58e645d38c52a1b-s900-c85.jpg