FIFE Cloud Camera Data: Whole-Sky Cloud Imagery

FIFE Cloud Camera Data was collected using a whole-sky 'fish-eye' lens to capture full horizon-to-horizon images of the sky dome. The dataset was designed to document cloud distribution, evaluate algorithms for identifying thin cirrus and popcorn cumulus clouds, and assess their impact on retrieving surface fluxes from satellite data. Analysis revealed considerable temporal variability, indicating that standard synoptic cloud observations were not adequate for the study.

Use Cases

• Evaluating cloud detection algorithms based on whole-sky photographic imagery.
• Studying the temporal variability of cloud cover using a time-series of sky images.
• Differentiating cloud types (e.g., thin cirrus, popcorn cumulus) using careful film and filter combinations.
• Assessing the impact of specific cloud types on satellite-based surface flux retrieval models.

Strengths

• Data was collected with a specialized whole-sky camera system designed for scientific analysis of cloud properties.
• The dataset's purpose is explicitly defined for algorithm evaluation and impact assessment on satellite retrievals.
• It is hosted by a major scientific organization (NASA), indicating a level of curation and intended research use.

Limitations

• Critical metadata is missing or conflicting: row/record count and specific column names are unknown across all sources.
• There is a significant conflict in the 'last updated' date between platforms (1989 vs. 2026), casting doubt on data currency.
• The description notes that cloud parameters lack a definitive 'ground truth' for validation, a fundamental challenge for the domain.

Provenance

Source

National Aeronautics and Space Administration (NASA)

Collection Method

Collected via a surface-based camera fitted with a whole-sky ('fish-eye') lens pointing directly upwards.

Time Range

Data collection occurred during the FIFE (First ISLSCP Field Experiment) project, which took place primarily in 1987-1989.

Freshness

2026-04-10 04:11:29.706853

Geography

Data was collected at the FIFE study site, with references to nearby synoptic stations at Manhattan Airport and Fort Riley airfield, Kansas, USA.