File Spec
L3 WATVP (Water Vapor) File Specification
Water Vapor
The Water Vapor Product monitors atmospheric water vapor and precipitable water. The ESDT names are MOD05_L2 (Terra) and MYD05_L2 (Aqua).
DOI Reference
L3 WATVP (Water Vapor) DOI Reference
Dataset Short Name:
Daily:
WATVP_D3_VIIRS_SNPP (VIIRS Instrument / SNPP Platform)
Monthly:
WATVP_M3_VIIRS_SNPP (VIIRS Instrument / SNPP Platform)
File Names
L3 WATVP (Water Vapor) File Name Convention
Continuity Atmosphere Product NetCDF4 files are named using a standardized convention as displayed below.
Note that for the filename sample shown below:
Introduction
L3 WATVP (Water Vapor) Product Description
The Level-3 Continuity Water Vapor product is generated at 1/2 x 1/2 degree spatial resolution. The L3 Continuity Water Vapor data product files always has a prefix of WATVP_D3 for daily or WATVP_M3 for monthly, and contains data retrieved from the VIIRS instrument on the SNPP platform.
Documentation
L2 WATVP (Water Vapor) Documentation
User Guide
VIIRS Suomi-NPP Water Vapor Products (WATVP) User Guide [v1.0, 7/15/19] View PDF
Version 1.0, July 2019
Borbas, et. al
Algorithm Theoretical Basis Document (ATBD)
File Spec
L2 WATVP (Water Vapor) File Specification
DOI Reference
L2 WATVP (Water Vapor) DOI Reference
Dataset Short Name:
WATVP_L2_VIIRS_SNPP (VIIRS Instrument / SNPP Platform)
Dataset Long Name:
Continuity VIIRS/SNPP Level-2 (L2) Water Vapor Product
Other Information:
Swath, 750 m resolution
Six minute time-period granules
Format: NetCDF4 files
Introduction
L2 WATVP (Water Vapor) Product Description
The Level-2 Continuity Water Vapor product is generated at 750x750 m (VIIRS, at nadir) spatial resolution. The L2 Continuity Water Vapor data product files always have a prefix of WATVP_L2 and contains data retrieved from the VIIRS instrument on the SNPP platform. The figures below show WATVP_L2 Total Precipitable Water [mm] products derived from VIIRS-only and VIIRS combined with NUCAPS product on 25 October 2014 at 08:42 UTC.
File Names
L2 WATVP (Water Vapor) File Name Convention
Continuity Atmosphere Product NetCDF4 files are named using a standardized convention as displayed below.
Note that for the filename sample shown below:
Introduction
L2 WATVP (Water Vapor) Product Description
The Level-2 Continuity Water Vapor product is generated at 6 x 6 km (VIIRS, at nadir) spatial resolution. The L2 Continuity Water Vapor data product files always have a prefix of WATVP_L2 and contains data retrieved from the SNPP/VIIRS platform.