What is the connection between an atmospheric river and the pineapple express?

An atmospheric river is a long, narrow plume of moisture that travels from the ocean over the land. They are one source of heavy precipitation during the winter months on the west coast of the US. Check out this video on atmospheric rivers for a cool visual: Atmospheric River Animation; January 2017 (Credit: NOAA/ESRL/PSD) So … Continue reading What is the connection between an atmospheric river and the pineapple express?

Remember When?

Remember those intense snow storms in the Sierra Nevada at the beginning of this year? These were fed by atmospheric rivers--long, thin plumes of moisture at the upper level of the atmosphere that can bring a lot of water vapor inland. Check out this video from CIMSS, shared by the Western Regional Climate Center (WRCC), … Continue reading Remember When?

Say what? Advancing and communicating rain shadow science

If you live on the west coast,  winter of 2017 may have ushered a new phrase into your vocabulary: atmospheric river. We are scientists who eat, sleep, and play in the mountains, and our work at the Desert Research Institute is advancing the field of rain shadow science as fast as you can say 'barrier … Continue reading Say what? Advancing and communicating rain shadow science