Tiny particles have outsized impact on storm clouds and precipitation

Tiny airborne particles from urban and industrial air pollution, wildfires and other sources can have a stronger influence on powerful storms than scientists previously predicted, according to a new study co-authored by University of Maryland researchers. The findings suggest that ultrafine aerosols, which are smaller than one-thousandth the width of a human hair, can intensify storms, increase the size of clouds and cause more rain to fall.
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