PNW 2020 Water Year Impacts Assessment Released
The Pacific Northwest Water Year 2020 Impacts Assessment has been released and is now available online. Sponsored by the NOAA National Integrated Drought Information System (NIDIS), OWSC and colleagues with the University of Washington Climate Impacts Group led this regional collaboration that involved researchers and state and federal practitioners from Idaho, Oregon, and Washington.
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Springtime Soil Temperatures in Washington State
One need not be a regular reader of this newsletter to appreciate how cool and wet it has been in WA during the past winter and early spring of 2017 (but hopefully it does not hurt).
Read moreThree Flavors of Drought in the PNW
With the topic of drought the focus of numerous local and national news stories of late – whether it’s the current Pacific Northwest (PNW) drought, the devastating multiyear California drought, or the torrential, drought-ending rains in Oklahoma and Texas – it is a good time to review a paper published in 2010 by current and former OWSC staff on different “flavors” of drought in the PNW.
Read moreCauses and Examples of Landslides in WA
Much of Washington state features steep terrain and unconsolidated soils, which means that landslides are a regular part of the landscape. And since many of these slides are associated with heavy rainfall, they occur more often in the winter, with plenty of exceptions.
Read moreSummertime Evapotranspiration in Eastern WA
Evapotranspiration (ET) refers to the total flux of water vapor from the land to the atmosphere. It includes two contributions: (1) evaporation from the ground and (2) the loss of water from plants, or transpiration, primarily through their leaves.
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