Terrifying maps on the National Oceanic and Atmospheric Administration's (NOAA) website show the probability of tornadoes across the US every day of the year based on data compiled from 1982 to 2011.
The NOAA and Old Farmer's Almanac use different methods of forecasting, but both organizations issue seasonal predictions.
The NOAA and Old Farmer's Almanac use different methods of forecasting, but both organizations issue seasonal predictions.