Storm - Midwest Center for Atmospheric Science Council...

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Midwest Center for Atmospheric Science Council Bluffs, Iowa Tornado Analysis (F0 to F5) Author Date Purpose To analyze the prevalence of tornadoes in the United States from 1950 to 1999
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Midwest Center for Atmospheric Science Council Bluffs, Iowa Tornado Report Display All Tornadoes Fujita Scale of Intensity Type Intensity Wind Speed F0 Gale 40 - 72 mph F1 Moderate 73 - 112 mph F2 Significant 113 - 157 mph F3 Severe 158 - 206 mph F4 Devastating 207 - 260 mph F5 Incredible 261 - 318 mph
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1950's 1960's 1970's 1980's 1990's 0 100 200 300 400 500 600 700 800 900 All Tornadoes Tornadoes per Decade
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0-10 11-20 21-30 31-40 41-50 51-60 61-70 71-80 81-90 91-100 > 100 0 1 2 3 4 5 6 7 All Tornadoes (1950-1974) (1975-1999) Counts Tornadoes per Year
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Midwest Center for Atmospheric Science Council Bluffs, Iowa Tornadoes per Year Tornado Type All Tornadoes 1950-1974 1975-1999 Years 25 25 Average per Year 38.92 49.88 Median per Year 38 39 Minimum per Year 16 16 Maximum per Year 69 118 Range 53 102 Standard Deviation 14.42 31.40 Variance 208.08 985.69
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This note was uploaded on 12/17/2010 for the course TECHNOLOGY CSC203 taught by Professor Na during the Spring '10 term at Sullivan.

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Storm - Midwest Center for Atmospheric Science Council...

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