El Niño impact on thunderstorms to improve forecasting

New studies on the impact of the El Niño-Southern
Oscillation (ENSO) weather phase on thunderstorm frequency will
allow for better regional forecasting of storm activity, according
to Willis Re.
Thunderstorms cost insurers as much as hurricanes in the period
from 2003 to 2015, with average annual losses of $11.23bn compared
with $11.28bn for hurricanes, according to a report from Willis Re
and Columbia University.
The study found that more storms follow a La Niña weather
phase, whi