Himawari-AHI cloud type data

Himawari-AHI cloud type data#

The cloud type product is derived from Himawari AHI data using NWC SAF algorithms included in NWC/GEO software package. The CT product contains information on the major cloud classes: fractional clouds, semitransparent clouds, high, medium and low clouds (including fog) for all the pixels identified as cloudy in a scene.

The dataset derived from the Bureau of Meteorology Satellite Derived Products under various NCI data collection, check the documentation for more details.

This dataset have been post-processed to include the timestamp as a dimension and converted nx/ny to lat/lon coordinates. The domain is the Australian regional domain. Please cite/awknowledge the following people if this data has been used for publications/presentations: Samuel Green - ORCID 0000-0003-1129-4676; Mat Lipson - ORCID 0000-0001-5322-1796; Kimberley Reid - ORCID 0000-0001-5972-6015.

Data location#

/g/data/su28/himawari-ahi

Data format and variables#

The data is available in zarr format, to read it follow the example:

import xarray as xr

ds = xr.open_zarr("/g/data/su28/himawari-ahi/cloud/ct/aus_regional_domain/S_NWC_CT_HIMA08_HIMA-N-NR.zarr/")
ds

Variables:

  • ct

  • ct_conditions

  • ct_cumuliform

  • ct_multilayer

  • ct_quality

  • ct_status_flag

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