devastation of tornadoes in the southern united states
TRANSCRIPT
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Missouri/Alabama Tornadoes 2000-2011Travis Dolney, Erik Jordan, Elizabeth Wilson
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HistoryJanuary 2000- June 2011, Alabama lead the country in tornado fatalities, followed by Missouri.
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History● April 25th-28th, 2011
was one of the largest and deadliest tornado outbreaks ever recorded
● April 27th, 2011 was the most active day: 211 tornadoes touched down from midnight to midnight.
Noteable Alabama tornadoes in this timeframe.❏ Cullman/Arab, Alabama❏ Hackleburg–Phil Campbell–Tanner, Alaba
ma❏ Cordova/Blountsville, Alabama❏ Tuscaloosa/Birmingham, Alabama❏ Raleigh, Mississippi/Uniontown, Alabama❏ Fyffe/Rainsville, Alabama❏ Ohatchee/Piedmont, Alabama
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Deadly 2011 Tornado Season● April 2011 had most tornadoes
ever reported in a month (875)● 369 fatalities (average a year
for past 11 years was 55) ● 317 fatalities in one day● Six significant multi-day
tornado outbreaks● Oklahoma to NC● Texas to NY
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May 2011● 370 tornadoes recorded
(more than usual)● 171 fatalities● Joplin, Missouri tornado
was the seventh deadliest tornado in US history
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Source: Aguado and Burt (2013), p. 336
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Contributing FactorsAguado and Burt (2013) offer three possible explanations as to why states like Alabama and Missouri experienced such high death tolls as a result of tornadoes:
a) time of day (night)b) complacency of populationc) housing
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Time of Day● Nocturnal tornadoes are more difficult to spot and
people are more likely to be sleeping and thus unable to hear warnings and take precautions.
● Unclear why the region might be particularly prone to night time twisters.
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Complacency● They also argue that residents of the deep south may
underestimate the danger posed by tornadoes because they live outside the traditional “tornado alley.”
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Mobile Homes
From: weather.com
Mobile Homes as a percent of total housing units (2007)
Alabama: 14.7% (5th)Missouri: 6.7% (27)
U.S. Avg: 6.7%
Source: US Census Bureau
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Steps Towards Prevention1. Inside a ‘framed’ structure
a. Seek the lowest level of the structureb. Cover your head with anything
i. Attempt to cushion yourself with a mattress or blankets
c. Do not attempt to ‘escape’ from a tornado, it will catch you
2. Inside a mobile homea. Get out!
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Improving Structural Integrity1. Installing storm proof doors on shelters2. Fortifying garage doors3. Fortifying trusses to exterior walls4. Cover windows5. Install ‘walls of concrete’6. Move out of the area