On the GFA, how long is the "IFR OTLK" portion valid for?

The "IFR OTLK" portion of the GFA (Graphical Area Forecast) represents the forecast for visibility, weather conditions, and potential operational limitations for IFR (Instrument Flight Rules) operations. The valid timeframe for the "IFR OTLK" is typically set at 12 hours. This timeframe provides pilots with a snapshot of expected weather conditions, enabling them to make informed decisions regarding flight planning and operations under IFR.

Understanding this duration is important for maintaining safety and ensuring compliance with regulations, as weather can change rapidly and requires timely updates to forecasts. Therefore, recognizing that the IFR OTLK is valid for 12 hours is crucial for effective flight operations and situational awareness in variable weather conditions.