Tornado's are a natural hazard that Louisville has to face. They are especially likely in the Spring season when warm moist air from the south mixes with cold air from the north creating unstable and dangerous conditions. Louisville has been experiencing tornado's for as far back as we have record. This is because Louisville is located at the NW edge of tornado alley. Tornado alley is an area where tornado's most occur in North America. Tornado warning systems such as sirens are a very important part of Louisville's tornado preparedness.
Picture 1: A tornado in Kentucky.
Picture 2: Tornado Alley
Picture 3: Map of tornado activity in the U.S. between 1950 and 1998. Louisville is covered in dark red which is the highest (>25 F3, F4 an F5 tornado's per 3,700 Sq. Mi).
Picture 4: A tornado siren in Louisville, KY.
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