AHI Instrument

Measurements and Applications

Measures cloud cover, cloud motion, cloud height, cloud properties, water vapour, rainfalll, sea surface temperatures and Earth radiation, dust, aerosols, volcanic ash, fires, snow and ice cover.

Instrument Summary

Full Name
Advanced Himawari Imager
Status
Operational
Instrument Agencies
JMA
Maturity
Instrument Type
Imaging multi-spectral radiometers (vis/IR)
Geometry
Earth disk scanning
Instrument Technology
Multi-purpose imaging Vis/IR radiometer
Sampling
Imaging
Data Access
Constrained Access
Data Format
Himawari Standard Data, HRIT Data, LRIT data, NetCDF Data, Color Image Data. See: https://www.data.jma.go.jp/mscweb/en/himawari89/space_segment/spsg_sample.html

Performance Summary

Resolution
0.5 km in 0.64 µm band; 1.0km in 0.47 µm, 0.51 µm and 0.86 µm band, 2.0 km in all others
[Best Resolution: 500m]
Swath
Full disk, Japan Area (Region 1, 2) : fixed area, Target Area (Region 3) and Landmark Area (Region 4, 5) : flexible area
[Max Swath: 500 km]
Accuracy
Waveband
16 bands from 0.47 µm to 13.3 µm VIS (~0.40 µm - ~0.75 µm) NIR (~0.75 µm - ~1.3 µm) SWIR (~1.3 µm - ~3.0 µm) MWIR (~3.0 µm - ~6.0 µm) TIR (~6.0 µm - ~15.0 µm)
VIS (~0.40 µm - ~0.75 µm)
NIR (~0.75 µm - ~1.3 µm)
SWIR (~1.3 µm - ~3.0 µm)
MWIR (~3.0 µm - ~6.0 µm)
TIR (~6.0 µm - ~15.0 µm)

Instrument Missions

Himawari-8 - Himawari-8 (2014 - 2030)
Himawari-9 - Himawari-9 (2016 - 2030)

Instrument Measurements