From which chart can the observed temperature, wind, and temperature/dewpoint spread be determined at a specified altitude?

The Constant Pressure Analysis Charts are designed to provide meteorological data at specific altitudes, which includes parameters such as temperature, wind speed and direction, and the temperature/dewpoint spread. These charts present a snapshot of the atmospheric conditions at designated pressure levels, allowing meteorologists and pilots to analyze weather patterns at various altitudes effectively.

By examining these charts, one can determine how these variables change with altitude, which is essential for flight planning and safety in lighter-than-air operations. This information helps in assessing the likelihood of turbulence, wind shear, and other critical atmospheric phenomena that may affect the performance and safety of airships or other lighter-than-air craft.

In contrast, the other options do not provide the same altitude-specific information. Surface Analysis Charts are focused on ground-level conditions, the Significant Weather Prognostic Chart depicts forecasted weather elements and does not specify altitude, and the Turbulence Forecast Chart focuses primarily on anticipated turbulence rather than detailed atmospheric conditions at specific altitudes.