What does a Wind and Temperatures Aloft Forecast (FD) describe?

The Wind and Temperatures Aloft Forecast (FD) specifically provides valuable information about the wind and temperature at various altitudes in the atmosphere. This forecast is crucial for pilots and meteorologists as it helps them understand the upper-level weather conditions that could affect flight operations, including turbulence, flight planning, and fuel efficiency. The data covers different layers above the ground, offering insights into how wind speed and temperature change with altitude, which is essential for safe and efficient flying.

The other options focus on areas outside the scope of this particular forecast. Weather patterns on the ground refer to surface conditions, sea-level pressures pertain to atmospheric pressure measurements at ground level, and cloud patterns involve the distribution of clouds in a region—all of which are important in meteorology but do not pertain to the specific information provided by the Wind and Temperatures Aloft Forecast.