Tuesday, October 18, 2016

Soil moisture, snowpack data could help predict 'flash droughts

The "flash drought" that unexpectedly gripped the U.S. Southern Rockies and Midwest in the summer of 2012 could have been predicted months in advance using soil moisture and snowpack data, according to new research.
Flash droughts, like the one in the U.S. Southern Rockies and Midwest in 2012, can be predicted.
Scientists at the National Center for Atmospheric Research (NCAR) analyzed the conditions leading to the 2012 drought -- which resulted in $30 billion in economic losses -- looking for any warning signs that a drought was on the way.
In a study funded by the National Science Foundation (NSF) and published in the Journal of Geophysical Research-Atmospheres, the researchers found that observations of snowmelt and soil moisture could have forecast the ensuing drought up to four months in advance.

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