National Meteorological Center (U.S.). Upper Air Branch

• Monthly mean 100-, 50-, 30-, and 10-millibar charts, January 1964 through December 1965 of the IQSY period
• Synoptic analyses, 5-, 2-, and 0.4-millibar surfaces for July 1974 through June 1976
• Weekly synoptic analyses 5-, 2-, and 0.4-millibar surfaces for 1967 (based on meteorological rocketsonde and high-level rawinsonde observations)
• Weekly synoptic analyses 5-, 2-, and 0.4-millibar surfaces for 1968
• Weekly synoptic analyses, 5-, 2-, and 0.4- mb. surfaces for 1965 (based on observations of the Meteorological Rocket Network during the IQSY)