1. Photographs or images of clouds taken from the ground or from an aircraft, used in meteorological observation and weather forecasting.
Usage: plural of nephogram; technical/meteorological term; from Greek nephos (cloud) + -gram (recording)

Examples

• Meteorologists analyzed the nephograms to track the movement of the storm system.
• The weather station collected nephograms throughout the day to monitor cloud formation.
• Nephograms from the satellite provided detailed information about atmospheric conditions.
• Historical nephograms help scientists understand long-term climate patterns.
• The research team compared nephograms taken at different altitudes.