Two case studies of clouds evolving over the Arctic provide data that will help researchers evaluate cloud simulations.

Evaluating the accuracy of predicted plant aboveground biomass with different numerical solution options in a model of water transport in plants.

How hailstorms respond to human-created warming in the Great Plains depends on large-scale weather-producing systems.

The presence of mMarine microorganisms may enhance cloud droplet formation, leading to brighter clouds that reflect more sunlight.

Observational evidence shows that clouds strongly influence the seasonal heat exchange between Southern Ocean air and sea.

Both the type and composition of landforms affect atmospheric properties and clouds in a state-of-the-art Earth system model.

Jiwen Fan honored for improving fundamental atmospheric science and modeling capabilities by being named a Fellow of the American Meteorological Society.

We are pleased to welcome 20 new joint appointees to PNNL.

Qiu Yang begins a one-year term as an associate editor of the Journal of the Atmospheric Sciences.

Anthropogenically forced evolution of the leading neutral mode explains historical trends in global surface temperature, lending confidence to regional projections related to modes.

Aerosols from sea-spray that are transported by atmospheric rivers enhance snow precipitation in the Sierra Nevada Mountains.

Dalei Hao joined the editorial board of the journal Earth System Science Data, covering land and ice.

The initial conditions and setup influence how large-eddy simulations representation atmospheric properties important for larger-scale models.

Changes in land use and land cover have diverse and contrasting effects on different types of rain.

Metrics and diagnostics that improve connections between model errors and their sources can lead to better precipitation modeling.

A circumglobal circulation pattern related to natural climate variability influences the location of summertime hot spots.

Increasing amounts of atmospheric carbon dioxide change when in the day tropical forest rainfall occurs.

The Earth system model aerosol-cloud diagnostics package version 1 uses aircraft, ship, and surface measurements to evaluate simulated aerosols in an Earth system model.

Tropical cyclones induce sea surface cooling, but their associated heavy rainfall reduces the effect through increased ocean mixing.

As wildfires grow increasingly severe, PNNL researchers are working to slow their spread and mitigate their harmful effects.