The TWISTER Act expands the federal government's tornado warning improvement program by broadening its research goals beyond traditional tornado forecasting. The bill requires the National Oceanic and Atmospheric Administration to focus additional research efforts on three challenging weather scenarios: fast-developing severe storms like derechos, regions that historically experience few tornadoes, and tornadoes that occur during evening and nighttime hours. This legislation affects meteorologists, weather forecasters, and communities across the country—particularly those in areas not traditionally associated with tornado activity or those vulnerable to sudden nighttime severe weather. The bill does not establish new funding amounts or specific timelines in the text provided, but rather amends the existing 2017 Weather Research and Forecasting Innovation Act to redirect focus within the current tornado warning program.
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