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What Causes Tornadoes? The Science Behind One of Nature's Most Dangerous Storms
The National Weather Service says about 1,000 tornadoes form yearly due to warm Gulf air, cool spring air, and strong jet stream winds creating instability.
- April marks the start of peak tornado season, when the U.S. typically experiences about 1,000 tornadoes annually according to the NWS. Atmospheric conditions now favor development of these storms.
- According to The National Weather Service, "The key atmospheric ingredients that lead to tornado potential are instability- warm moist air near the ground, with cooler dry air aloft and wind shear- a change in wind speed and/or direction with height."
- Tornadoes originate within powerful thunderstorms, where rising warm, humid air and sinking cooler air create spinning currents. Strong updrafts tilt this horizontal rotation upright, extending a funnel from cloud to ground.
- While these storms often impact the Central and Southern Plains, with Texas recording the highest annual counts, Meteorologists face fundamental forecasting limits. Research shows conditions can be identified, but exact timing, location, and strength remain unpredictable.
- The NWS Storm Prediction Center issues outlooks days in advance for severe weather potential. Once tornadoes form and are detected, it is critical to follow local alerts and maintain a safety plan.
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What causes tornadoes? The science behind one of nature's most dangerous storms
April marks the onset of intense tornado activity in the U.S., driven by warm, moist Gulf air clashing with cooler masses. Here's how these storms form.
·Spokane, United States
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Total News Sources13
Leaning Left2Leaning Right0Center11Last UpdatedBias Distribution85% Center
Bias Distribution
- 85% of the sources are Center
85% Center
15%
C 85%
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