Reduction in commercial flights due to COVID-19 leading to less accurate weather forecasts

(American Geophysical Union) Weather forecasts have become less accurate during the COVID-19 pandemic due to the reduction in commercial flights, according to new research. A new study in AGU's journal Geophysical Research Letters finds the world lost 50-75% of its aircraft weather observations between March and May of this year, when many flights were grounded due to the pandemic.