FIRE ACE: Arctic Cloud Microwave Brightness Temperatures from Aircraft

NASA's Advanced Microwave Precipitation Radiometer (AMPR) collected brightness temperature data during the First ISCCP Regional Experiment (FIRE) Arctic Cloud Experiment (ACE) field campaign. The data is designed to improve understanding of cloud life cycles and radiative properties for general circulation models. The dataset was last updated on 2026-03-13.

Use Cases

• Validate and improve cloud parameterizations in General Circulation Models (GCMs) based on high-resolution microwave observations.
• Study the life cycles and radiative properties of Arctic clouds based on aircraft-collected brightness temperature data.
• Investigate relationships between ISCCP satellite data and higher-resolution in-situ cloud measurements.
• Analyze microwave spectral signatures for cloud and precipitation processes in polar regions.

Strengths

• Data originates from a NASA field campaign with a specific scientific goal to improve climate models.
• The dataset is associated with the FIRE program, which is designed to link satellite data with higher-resolution observations.
• Last update recorded as 2026-03-13, suggesting ongoing metadata management.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count and data volume are unknown, which may limit suitability assessment.
• Data is provided in specialized formats (BIN, TAR, ISO) which may require specific tools for processing.

Provenance

Source

National Aeronautics and Space Administration

Collection Method

Collected by the Advanced Microwave Precipitation Radiometer (AMPR) flown onboard the ER-2 aircraft during a field campaign.

Time Range

Temporal coverage is implied to be during the FIRE ACE field campaign, but specific dates are not provided.

Freshness

Last updated 2026-03-13 02:48:39.320691; freshness should be verified.

Geography

Spatial coverage is the Arctic region, as indicated by the experiment name.