SNPP-VIIRS Water Vapor products available

Platform	SNPP
Instrument	VIIRS
Source	LAADS
Issue	news
Last Updated	2020-01-28 17:00:00
Start	2020-01-28 17:00:00
End	2020-07-29 00:00:00
Description	The LAADS DAAC has publicly released version-1.0 of the Suomi National Polar-orbiting Partnership (SNPP) Visible Infrared Imaging Radiometer Suite (VIIRS) Water Vapor products suite. They include three products derived from the SNPP VIIRS data. In addition to certain VIIRS' spectral bands, this suite leverages water vapor soundings from two additional sounder instruments aboard the SNPP platform: Advanced Technology Microwave Sounder (ATMS) and Cross-track Infrared Sounder (CrIS). The temporal range for this SNPP VIIRS L2 product starts from May 1, 2012 (Day-of-year: 122). Currently, this collection is available through September 11, 2018 (Day-of-year: 254); this cutoff date is driven by the availability of NOAA-Unique CrIS ATMS processing System (NUCAPS) data, which is based on CrIS and ATMS inputs. The products include the following: WATVP_L2_VIIRS_SNPP -- VIIRS/SNPP Water Vapor 6-min L2 Swath 750m WATVP_D3_VIIRS_SNPP -- VIIRS/SNPP Water Vapor Daily Level-3 0.5° degree grid WATVP_M3_VIIRS_SNPP -- VIIRS/SNPP Water Vapor Monthly Level-3 0.5° degree grid Please consult the individual product links for additional information. If you have any questions or concerns, contact the LAADS User Services.