Which abbreviation is used to represent a Dust Storm in weather reports?

The abbreviation used to represent a Dust Storm in weather reports is "DS." This designation is established in meteorological standards to ensure clarity and consistency in conveying weather conditions.

The use of "DS" allows pilots and other stakeholders to quickly and easily recognize that a dust storm is occurring, which can significantly affect visibility and flight operations. This abbreviation is part of a broader system of standardized weather reporting, facilitating effective communication among pilots, air traffic control, and weather services.

The other choices do not conform to the officially recognized abbreviations used in meteorology, which could lead to confusion or misunderstanding in weather communication.