Blue and Green: More severe, multiple tornadoes are ravaging the US than in previous years, a study has found. New research by lead author Professor James Elsner, from Florida State University, has found these destructive vortexes could be linked to global warming.
Published this week in the journal Climate Dynamics, Elsner explains how although weather data shows tornadoes are forming fewer days per year, there are more forming at the same time and they are stronger than before.
The researchers studied 60...