Soil Moisture Active Passive (SMAP) L1-L3 Ancillary NOAA Data V001
This ancillary SMAP product contains six dynamic data sets originally produced by NOAA or NOAA-affiliated organizations. 
1) NCEP Geophysical Forecast System modeled data provided in 6-hour time steps 
2) Daily Reynolds Sea Surface Temperature data 
3) Snow Cover data from NOAA Interactive Multisensor Snow and Ice …