How often are TAFs typically issued?

TAFs, or Terminal Aerodrome Forecasts, are typically issued every 6 hours. This standard frequency allows for the provision of timely and relevant weather information needed for flight planning and operations at airports. The 6-hour intervals align with the needs of pilots and aviation professionals, allowing them to anticipate and prepare for changing weather conditions that could impact flights.

Each TAF provides a forecast for a specific airport or terminal area, projecting the expected weather conditions typically over a 24 to 30-hour period. The issuance every 6 hours ensures that forecasts are updated regularly, reflecting the most current meteorological data available, enhancing safety and efficiency in air travel. For instance, a TAF issued at 0000Z would cover from that time up to 0600Z, and the next forecast would then be available at 0600Z, continuing this cycle.

This regular issuance is crucial compared to other frequencies such as hourly or 12-hour intervals, which may not provide sufficient updates to address the rapidly changing weather patterns that can occur, especially in certain climates and seasons.