AR 5-25 governs Army meteorological activities, weather services, weather information, and Army-owned weather observing systems.
View AR 5-25 on armypubs.army.mil
It addresses Air Force weather services on Army installations, weather support requests, sensing equipment, maintenance, calibration, and standardization. It requires Army organizations to identify weather support requirements and maintain and calibrate Army-owned weather equipment.
Applies to: This regulation prescribes policies, procedures, duties, responsibilities, and relationships applicable to Army organizations engaged in meteorological and meteorological-related activities.
Army organizations will identify weather services and support requirements to the staff weather officer (SWO) aligned within their organization or the SWO in the next higher echelon. (paragraph 1-7)
To request weather support, organizations will provide the SWO (1) The purpose for tailored operational climatology, long-range weather outlooks, mission planning and execution forecasts, space weather, weather warnings, advisories being requested. (2) Weather parameters required for hydrological forecasts, terrain analysis, and mobility assessments. (paragraph 3-2)
If the request is outside the scope of the AF weather organizations missions, mission-essential task lists, and resources, the requesting organization will (1) Obtain guidance for weather services and information requests from the DCS, G 2 if applicable. (2) Document weather support requirement in a formal memorandum staffed to the DCS, G 2 that includes justification; what, how, when, and where support is required; the impact to the mission if not supported; mission-unique weather sensitivity thresholds (as required); and specific time period. (paragraph 3-2)
Calibration and standardization should be performed upon installation, at least annually thereafter, and after any major maintenance is performed on automated weather observing systems. (paragraph 4-3)
Army organizations that own automated weather sensors will have applicable operator manuals or TOs (soft copy or hardcopy) on hand for each piece of an assigned fixed and deployable automated weather observing system. (paragraph 4-3)