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How frequently are radar observations reported in a radar summary chart?

  1. Every minute

  2. Hourly

  3. Twice daily

  4. Every 6 hours

The correct answer is: Hourly

Radar observations in a radar summary chart are reported hourly. This frequency allows for a timely update on weather conditions, facilitating effective decision-making for flight dispatchers and pilots. An hourly report ensures that the information is relevant and reflects any changes in weather patterns that can impact flight safety. The consistency of hourly updates helps professionals stay informed, comparing the current radar data with previous observations in a reasonable timeframe. While shorter reporting intervals may seem beneficial in a rapidly changing environment, the hourly frequency strikes a balance between providing sufficient detail and maintaining a manageable volume of information for users.