NASA Earth Observatory images by Joshua Stevens, using Snow Melt Equivalent data courtesy of Leanne Lestak/UC Boulder and NASA Jet Propulsion Laboratory, and MODIS data from LANCE/EOSDIS Rapid Response. Caption by Mike Carlowicz.
The Sierra Nevada snowpack is surpassing record averages by staggering amounts and CWEST data is contributing to the measurements. Methodology at CWEST includes a bias correction routine that is based on comparisons of MODIS-MODEL-Ground-Observation product with NASA's Airborne Snow Observatory data.
Read NASA's Earth Observatory press release for more information and references to other news stories about the California snowpack.