By: Sarah Burry, Autumn Brown And Zach Gallant Tri-State Tornado 1925 By: Sarah Burry, Autumn Brown And Zach Gallant

Classification Category Atmospheric Classified as a F5 tornado The highest rating given on the Fujita scale

Natural Hazard Events Date: Wednesday, March 18th, 1925 Location: The tornado crossed from southeastern Missouri, through Southern Illinois, then into southwestern Indiana.

Consequences and Aftermath of Hazard Damage were $16.5 million, $1.4 billion when you account for inflation Nine schools across three states were destroyed, killing sixty nine students 15,000 homes were damaged The tornado also affected Kentucky, Tennessee, Alabama, Kansas and other states

Potential Natural Hazard Illinois has 35 tornadoes a year on average Missouri has 26 tornadoes a year on average Indiana has 20 tornadoes a year on average In total: 81 tornadoes between 3 states on average

Total Population: 115,829,000 in US Deaths: 695 Injures: 2027

COMPARING AND ANALYZING Tri-State Tornado 1925 COMPARING AND ANALYZING

Frequency: The tri-state tornado was part of a larger tornado out break consisting of eight other tornadoes

Duration: 3.5 hours

Extent: Larger area

Speed of onset: They saw it coming, but they didn’t realize it was going to be as bad as it was till it hit

Spatial Dispersion: The three states would be likely to be affected by this particular event The demographic receives many tornadoes a year on average Most times, tornadoes occur in outbreaks, not just a single tornado

Temporal Spacing: It started with showers and cooling temperatures (nothing strange) The forecast was tracking a cold, lower-pressure system that bent down from western Canada into Wyoming. The jet stream wasn’t discovered until World War II by Japanese scientists.

Work Cited Hearst Communications. (July 31, 2007) There’s never been another tornado like it. Retrieved October 20th 2009, from http://www.popularmechanics.com/science/worst_case_scenarios/4219867.html google