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Full catalog/SNDRSNIL3SDCFSP
SNDRSNIL3SDCFSP·v2·dataset

Daily maps of air, clouds and surface, from NASA's CrIS heat-sounder on Suomi-NPP

Sounder SIPS: Suomi NPP CrIS Level 3 Climate Fingerprinting Sounder Product (ClimFiSP) Daily: Gridded Atmosphere, Cloud, and Surface Geophysical State V2
atmosphere NASA GES_DISC Level 3 active
In plain English

What it measures. Daily maps of the atmosphere's vital signs—temperature at different heights, water vapor, ozone, cloud properties—plus surface skin temperature, laid out on a half-degree global grid.

How it's made. Derived from harmonized infrared sounder measurements blending the AIRS instrument on Aqua with CrIS on Suomi-NPP and NOAA-20, run through a retrieval algorithm to turn raw radiances into geophysical values.

How & where you'd use it. Built for tracking long-term climate signals; keeping each instrument's results separate lets scientists check for biases and build consistent multi-decade records of how the atmosphere is changing.

What's measured

ATMOSPHERE › AIR QUALITY › TROPOSPHERIC OZONEATMOSPHERE › ALTITUDE › TROPOPAUSEATMOSPHERE › ATMOSPHERIC CHEMISTRY › CARBON AND HYDROCARBON COMPOUNDS › METHANEATMOSPHERE › ATMOSPHERIC CHEMISTRY › OXYGEN COMPOUNDS › ATMOSPHERIC OZONEATMOSPHERE › ATMOSPHERIC PRESSURE › SURFACE PRESSUREATMOSPHERE › ATMOSPHERIC RADIATION › OUTGOING LONGWAVE RADIATIONATMOSPHERE › ATMOSPHERIC TEMPERATURE › SURFACE TEMPERATUREATMOSPHERE › ATMOSPHERIC TEMPERATURE › SURFACE TEMPERATURE › AIR TEMPERATUREATMOSPHERE › ATMOSPHERIC TEMPERATURE › UPPER AIR TEMPERATUREATMOSPHERE › ATMOSPHERIC WATER VAPOR › WATER VAPOR INDICATORS › LAYERED PRECIPITABLE WATERATMOSPHERE › ATMOSPHERIC WATER VAPOR › WATER VAPOR INDICATORS › TOTAL PRECIPITABLE WATERATMOSPHERE › ATMOSPHERIC WATER VAPOR › WATER VAPOR PROFILESATMOSPHERE › CLOUDS › CLOUD PROPERTIES › CLOUD FRACTIONATMOSPHERE › CLOUDS › CLOUD PROPERTIES › CLOUD TOP PRESSURE

Coverage & cadence

  • Time span2015-11-02 → ongoing
  • Measured bySuomi-NPP (CrIS)
  • Processing levelLevel 3
  • Spatial extent-180, -90, 180, 90
  • StatusACTIVE

What you can do with it

  • Map air pollutants — NO₂, aerosols, ozone
  • Track greenhouse gases and Earth's energy budget
  • Feed weather and air-quality analysis
Official description

The Climate Fingerprinting Sounder Product (ClimFiSP) Version 2 provides Level 3 daily and monthly atmospheric data including temperature profiles, water vapor, ozone, cloud properties, as well as surface properties, including skin temperature and emissivity. Data are available on a ½ by ½ degree grid. These geophysical variables are derived, via the ClimFiSP retrieval algorithm, from the Climate Hyperspectral Infrared Radiance Product (CHIRP), a Level 1 radiance product that harmonizes measurements from three different infrared sounding instruments: the AIRS sensor on EOS-Aqua and the CrIS sensors on the Suomi-NPP and NOAA-20 (JPSS-1) satellites. All three platforms follow similar sun-synchronous orbits, with CLIMFISP daily records including data for both the ascending (1:30 p.m.) and descending (1:30 a.m.) orbit passes. ClimFISP retrievals derived from each instrument are provided separately to facilitate detection of potential radiance biases between the CHIRP-AIRS and CHIRP-CrIS data records, and to evaluate their impact on the long-term data record formed by merging AIRS and CrIS data.

Get the data

sndrsnil3sdcfsp_access.py
import earthaccess
earthaccess.login(strategy="netrc")          # free Earthdata Login

results = earthaccess.search_data(
    short_name="SNDRSNIL3SDCFSP",
    version="2",
    bounding_box=(-122.5, 37.2, -121.8, 37.9),  # your area (W,S,E,N)
    temporal=("2024-01-01", "2024-12-31"),       # your dates
)
files = earthaccess.open(results)   # stream straight from GES_DISC
Browsing CMR needs no login. Downloading or streaming bytes needs a free Earthdata Login + the earthaccess package.