Seasonality Changes of Extreme Precipitation Over California Under Warming
In this study, PNNL researchers identified the seasonality changes in extreme precipitation over California under warming.
The Gathering Storm: Clouds Determine Drought or Drowning
University of Maryland, NASA Goddard Space Flight Center, and PNNL scientists explored how radiation-cloud-convection-circulation interactions (RC3I) affect the Intertropical Convergence Zone (ITCZ) and circulation at the global scale.
Improving Assessments of Reduced-Precision Calculations
A study by researchers at Pacific Northwest National Laboratory and Lawrence Livermore National Laboratory demonstrates an objective test method for assessing the correctness of reduced‐precision calculations.
The Intrinsic Skew Towards Cooling of Earth’s Climate
A study led by scientists at PNNL points to a new frontier for understanding the coupled climate system from the perspective of a nonlinear dynamical system.
Atmospheric Rivers Trigger Heavy Snowmelt in the Western United States
By quantifying the contribution of snowpack to runoff and extreme flooding in mountainous regions in the western United States, PNNL researchers provided a unified view of the interactions between snowpack and precipitation.
Rainfall Characteristics over the Central U.S. Influence Agriculture and Flood Risk
Mesoscale convective systems produce more intense rainfall than warm-season rain in this region.
New Modeling Improves Precipitation Simulation in Mountains High and Low
Downscaling methods improve representation of terrain effects on precipitation for earth system models.
Connecting Coastal Processes with Global Systems
In a recent review article, an interdisciplinary team of researchers led by PNNL biogeochemist Nick Ward proposed a path to refining the representation of coastal interfaces in Earth systems models used to predict climate.
Warmer Southern Ocean Leads to More Antarctic Snow
A team of researchers discovered more about how sea ice in the Southern Ocean might regulate changes in the amount and location of Antarctic precipitation.
Atmospheric Aerosols Make Storm Systems Larger
Researchers investigated aerosol impacts on mesoscale convective systems forming under different wind shear conditions.