National Climate Program Amendments of 1983

National Climate Program Amendments of 1983 - Amends the National Climate Program Act to direct the Secretary of Commerce to establish and maintain an interagency Climate Program Policy Board (Board) to coordinate planning, review all executive branch budget requests relating to climate, and establish other groups as necessary.

Establishes the position of Director to head the National Climate Program Office, represent the Board, and be the spokesperson for the program. Requires the Office to analyze agency budget requests, coordinate interagency participation in international climate-related activities, and work with the National Academy of Sciences and other groups in preparing and implementing the five-year climate plan.

Permits the Office to provide financial assistance for activities needed to meet the goals of the program set forth in such plan. Expands the mechanisms for intergovernmental climate-related studies and services under the program. Requires that the plan be revised and extended not more than biennially but not less than quadrennially.

Authorizes appropriations for FY 1984 and 1985. Requires that at least 25 percent of such authorizations be made available each fiscal year for intergovernmental climate-related activities and at least 20 percent for experimental climate forecast centers.