AR 115-10 governs Air Force and Army policy and responsibilities for providing weather support to the Army.
View AR 115-10 on armypubs.army.mil
It covers weather operations, requirements, communications, training, resources, equipment, and command relationships. It defines responsibilities for Army and Air Force organizations, including support for exercises, deployments, and contingency operations.
The term weather support encompasses the capabilities of climate services, hydrological analysis/prediction, space/terrestrial environmental analysis, and prediction. (paragraph 1-1)
The Army will formally request weather support for large-scale exercises, training center rotations, and deployments using institutional and corporate tasking processes (in other words, Joint Operational Planning and Execution System (JOPES)). (paragraph 1-6)
AF personnel conducting weather operations and providing weather support to Army organizations will not be assigned duties (for example, guard duty, driver, charge of quarters, mess hall duty, and so forth) inconsistent with their primary mission. (paragraph 3)
The AF retains administrative control (command and Uniform Code of Military Justice authority, and personnel actions), operational, and tactical control of AF personnel and equipment unless otherwise directed by the appropriate authority consistent with joint publications. (paragraph 3)
Provide oversight for the fielding of fixed meteorological equipment at ARNG-managed airfields and heliports.