TEMPO Level 2
Entry Title: TEMPO cloud pressure and fraction (O2-O2 dimer) V02 (NRT) (PROVISIONAL)
Entry ID: TEMPO_CLDO4_L2_NRT_V02
Clouds
Description
O2-O2 cloud Level 2 (PROVISIONAL) files provide cloud information at TEMPO’s native spatial resolution, ~10 km^2 at the center of the Field of Regard(FOR), for individual granules. Each granule covers the entire North-South TEMPO FOR but only a portion of the East-West FOR. The files are provided in netCDF4 format, and contain information on effective cloud fraction (ECF), cloud optical centroid pressure (OCP), scene albedo, scene pressure, ancillary data used in the calculation, and processing quality flags. The ECF is derived from reflectance at 466 nm. The OCP is derived from O2-O2 slant column density. The cloud retrieval uses Look Up Tables (LUTs) of reflectance and air mass factors as a function of geometry, surface albedo, surface pressure and cloud pressure. The O2-O2 cloud near real-time(NRT) files are produced using a fast version of the TEMPO baseline retrieval processor. The TEMPO NRT products are useful for applications with low-latency requirements (<2-3 hours after observation is taken). The NRT processing optimizes radiance calibration, image navigation and registration, and cloud and trace gas retrievals for rapid processing, while ensuring that product quality is sufficient for most NRT applications.
Resources and Documentation
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Keywords
From GCMD Science Keywords:
- CLOUD FRACTION > CLOUD PROPERTIES
- CLOUD TOP PRESSURE > CLOUD PROPERTIES
Data Distribution
File Format(s):
netCDF-4
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Spatial Information
Spatial Coverage Type: Horizontal
Coordinate System: Cartesian
Granule Spatial Representation: Cartesian
Locations
NORTH AMERICA
Temporal Information
Temporal Coverage: 2025-09-17 - Present