14 November 2023
27 April 2020
EARS-VASS is composed of two products: Level 1b MWHS-II and MWTS-II. The data contain for all spectral channels and all Fields of view the calibrated and geolocated L1 data in BUFR format.
The MWHS-II instrument has the ability to perform the vertical atmosphere sounding also in cloudy conditions.
Like the MHS instrument on Metop and NOAA satellites, it focuses on the water vapour sounding of the upper troposphere, but also provides information on temperature profiles.
The MWTS-II instrument provides information on temperature profiles and is comparable to AMSU-A.
EARS-VASS service specification
Satellites supported
FY-3D (MWHS, MHTS) and FY-3E (MWHS), as shown on the tables on the Regional Data Service/EARS webpage.
Product processing
FY3_IPP as provided by the CMA, configured and run by EUMETSAT AAPP as provided by NWP-SAF.
Product segmentation
One file per station pass and instrument.
Duplicate segments removed before dissemination.
Products via EUMETCast Europe
MWHS2 and MWTS2. All spectral channels, all Fields of View. Calibrated and geolocated. BUFR format.
Timeliness via EUMETCast
30 minutes.
Products via RMDCN/GTS
As for EUMETCast.
Archived in EUMETSAT
None.
Further information
For more information on EARS-VASS see TD 14 - EUMETSAT Advanced Retransmission Service Technical Description
Full details on products can be found in the Product Navigator: Regional Atmospheric Sounding Service – Feng-Yun - 3
