Environmental Science
Infrared and visible satellite images might provide:

A way of determining cloud thickness and altitude.
A way of identifying clouds suitable for cloud seeding.
A way of distinguishing between "new" and "old" clouds.
A way of distinguishing between wet and dry clouds.

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Environmental Science
Thermal belts are:

Warmer hillsides that are less likely to experience freezing conditions
Cold, below-freezing air found at the top of a mountain
Pockets of warm air resting on a valley during the afternoon
Pockets of cold air resting on a valley floor at night

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