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How often is a Weather depiction chart issued?

  1. Every hour

  2. Every 3 hours

  3. Every 12 hours

  4. Every 24 hours

The correct answer is: Every 3 hours

The Weather depiction chart is updated every 3 hours to provide the most current depiction of weather conditions across the United States. This schedule ensures that pilots and dispatchers have access to timely and relevant information regarding significant weather features such as clouds, precipitation, and visibility. The frequency of 3 hours allows for timely adjustments in flight planning and operations due to changing weather patterns, which is crucial for safety and efficiency in aviation. This chart is particularly useful for visualizing current weather conditions and understanding how they may impact flight operations.