What is the contraction for widespread dust?

The correct contraction for widespread dust is "DU." In aviation weather reporting, specific abbreviations are used to convey weather phenomena succinctly. The term "dust" in this context is represented by "DU."

This contraction is important for meteorologists and pilots to communicate weather conditions efficiently. Understanding such abbreviations is crucial as they are widely used in weather observations and reports, ensuring clarity and effective communication in aviation operations.

Other potential choices do not represent the term for widespread dust effectively, and using them could lead to confusion in understanding weather reports. Hence, "DU" is the appropriate and universally accepted contraction for widespread dust.