A powerful, new model helps scientists understand earth system processes.

James "Jim" Ang joins PNNL as chief scientist for computing.

Mesoscale convective systems (MCSs)—intermediate-scale thunderstorm clusters lasting up to about 24 hours—are important precipitation producers. They account for 30-70 percent of warm-season (April to August) rainfall between the Rocky Moun

PNNL has been honored with three awards for excellence in transferring technologies to private sector by the Federal Laboratory Consortium.