EARS-AVHRR

EARS-AVHRR collects data from the Primary Morning and Afternoon orbits of Metop and NOAA satellites via a network of AHRPT/HRPT stations. It retransmits them via EUMETCast.

EARS - AVHRR - example image Europe (small)

AVHRR is an across track scanner that senses the Earth’s outgoing radiation from horizon to horizon in six channels (three solar channels in the visible-near infrared region and three thermal infrared channels), with a spatial resolution of 1km at nadir.

AVHRR has applications within:

  • Operational meteorology — measuring cloud properties (height, temperature, phase);
  • Land analysis — supplying data for calculating vegetation indices, soil moisture, snow cover, and land surface temperature (skin);
  • Ocean analysis — supplying data for deriving sea surface temperature and sea ice concentration, and aerosols and fire detection.

AVHRR supports the IASI mission with sounding geolocation; cloud characterisation within the IASI FOV, and support to scene inhomogeneity quantification for the correction of the IASI spectral response.

More about the AVHRR instrument

EARS-AVHRR Service Specification

 

Geographical coverage

EARS AVHRR Geographical Coverage Map Core

Satellites supported

N19, Metop-A, Metop-B and Metop-C, as shown on the tables on the Regional Data Service/EARS webpage.

Product Processing

None.

Product Segmentation

Segments each containing one minute of observations. Duplicate segments removed before dissemination.

Products via EUMETCast Europe

  • For NOAA KLM and NN’: HRPT data, expanded to 16 bits, big endian, bzip2 compressed.
  • For Metop: EPS level 0, bzip2 compressed.

Timeliness via EUMETCast

30 minutes.

Products via RMDCN/GTS

None.

Archived in EUMETSAT

Only NOAA AVHRR data.

Further information

For more information on EARS-AVHRR see TD 14 - EUMETSAT Advanced Retransmission Service Technical Description (PDF,3 MB)

Full details on products can be found in the Product Navigator:
AVHRR Regional Data Service – Multimission

 
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