Polar Swath Browser

Quicklook visualisations, not calibrated data. Radiometrically stretched and resampled for display. Do not use quantitatively — follow the per-look source links for the original Level-1 products.

Sources and required notices

Contains modified Copernicus Sentinel data 2026

Contains modified EUMETSAT Metop data 2026

GCOM-C/SGLI data provided by JAXA

Data provided by the European Space Agency (ESA)

EarthCARE MSI data © ESA 2026

Made with Natural Earth

MODIS and VIIRS products courtesy of NASA LAADS and NSIDC DAACs. Use of this material does not imply NASA endorsement.

Products shown

AVHRRL1 — https://data.eumetsat.int/product/EO:EUM:DAT:METOP:AVHRRL1

FY3D_MERSI — https://data.nsmc.org.cn/

MOD021KM — https://doi.org/10.5067/MODIS/MOD021KM.061

MSI_RGR_1C — https://doi.org/10.57780/eca-0c20ec3

MYD021KM — https://doi.org/10.5067/MODIS/MYD021KM.061

SGLI — https://gportal.jaxa.jp/gpr/

SL_1_RBT — https://dataspace.copernicus.eu/

VJ102MOD — https://doi.org/10.5067/VIIRS/VJ102MOD.021

VJ202MOD — https://doi.org/10.5067/VIIRS/VJ202MOD.002

VNP02MOD — https://doi.org/10.5067/VIIRS/VNP02MOD.002

Boxes covered

Svalbard and Fram Strait (svalbard) — lon -5.0 to 25.0, lat 76.0 to 83.0, regridded at 0.01° × 0.04° (700 × 750) — 4256 looks, 2026-03-15 to 2026-04-15 — AVHRR_MetOp, MERSI2_FY3D, MODIS_Aqua, MODIS_Terra, MSI_EarthCARE, SGLI_GCOMC, SLSTR, VIIRS_NOAA20, VIIRS_NOAA21, VIIRS_SNPP

Fram Strait overview (fram) — lon -25.0 to 20.0, lat 70.0 to 84.0, regridded at 0.01° × 0.04° (1400 × 1125) — 5798 looks, 2026-03-15 to 2026-04-15 — AVHRR_MetOp, MERSI2_FY3D, MODIS_Aqua, MODIS_Terra, MSI_EarthCARE, SGLI_GCOMC, SLSTR, VIIRS_NOAA20, VIIRS_NOAA21, VIIRS_SNPP

How these images were made

False colour = SWIR / red / green (red again for a sensor with no green band), each divided by cos(SZA) clipped to [0.08, 1.0], then raised to the power 0.6. The archive stores sensor-native πL/E₀, so the sun has to be divided back in.
Thermal = brightness temperature at 11 µm, reversed grey, linear over 235–275 K.
AVHRR: 1529 of 1529 looks are shown at the time the orbit crossed the box instead of its sensing start (the time in the file name, up to ~100 minutes earlier).
Looks are regridded to a regular lat/lon grid per box.

Licence

Renderings, derived metadata and this interface: CC BY-NC 4.0. The non-commercial restriction applies to these renderings only. The underlying satellite data are not restricted by it and remain available from their providers under the providers' own terms: freely, including for commercial use, from NASA Earthdata, the Copernicus Data Space Ecosystem, EUMETSAT and JAXA G-Portal; EarthCARE from ESA under the ESA Earth Observation data terms and conditions; FengYun-3 from NSMC/CMA.

Credit

Joshua Müller. Built 2026-09-30 from code commit 3574246.

Polar Swath Browser

Granule availability — whole library

Daily coverage, polar view —