OMVFPMET: GEOS-5 Meteorological Data Geo-Colocated to OMI Satellite Swath

NASA's Global Modeling and Assimilation Office provides meteorological fields from the GEOS-5 FP-IT assimilated product, spatially and temporally co-located with the Ozone Monitoring Instrument (OMI) UV-2 swath. The product includes layer pressure thickness, surface pressure, vertical temperature profiles, surface potential, and mid-layer pressure along with geolocation information. Each file is approximately 45mb in size and is in netCDF4 format.

Use Cases

• Analyzing vertical temperature profiles based on the assimilated meteorological fields.
• Studying atmospheric pressure thickness layers for climate modeling.
• Correlating satellite instrument readings with surface pressure and potential data.
• Validating or supplementing OMI L1B data collection with co-located meteorological information.

Strengths

• Data is geo-colocated to the OMI/Aura satellite swath, providing direct spatial and temporal alignment.
• Files are in netCDF4 format, which is compatible with most netCDF and HDF5 readers and tools.
• Each file is approximately 45mb in size, indicating a manageable data volume per orbit.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count is unknown, which may limit suitability assessment.
• The original GEOS-5 data grid (0.625° lon x 0.5° lat) differs from the OMI resolution (13km x 24km at nadir), requiring consideration of spatial interpolation.

Provenance

Source

National Aeronautics and Space Administration (NASA), Global Modeling and Assimilation Office (GMAO)

Collection Method

Selected fields from the GEOS-5 Forward Processing for Instrument Teams (FP-IT) assimilated product, co-located with OMI/Aura VIS 1-Orbit L2 swath.

Freshness

Last updated 2026-03-13 02:11:23.044176; freshness should be verified.

Geography

Global, based on OMI/Aura satellite swath coverage.