AR 5-25 — Army Weather Functional Activities

AR 5-25 governs Army meteorological activities, weather services, weather information, and Army-owned weather observing systems.

Search AR 5-25

  • Publication number: AR 5-25
  • Title: ARMY WEATHER FUNCTIONAL ACTIVITIES
  • Date: 08/14/2023
  • Proponent: G-2
  • Status: ACTIVE

View AR 5-25 on armypubs.army.mil

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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.

Topics covered

  • Air Force weather services on Army installations
  • Weather support requirements
  • Weather sensing equipment
  • Equipment maintenance and calibration
  • Weather watch and warning criteria
  • Interagency meteorological services

Questions and answers

How does an Army organization request weather support?

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)

What information must accompany a weather support request?

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)

What happens when a weather request is outside the Air Force weather mission?

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)

How often must Army-owned automated weather systems be calibrated?

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)

What manuals must organizations keep for automated weather observing systems?

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)

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