H. Yates Holleman, 47, deputy chief of the National Weather Service's communications division, died Wednesday following a heart attack in San Jose, Costa Rica.
He was stricken shortly after boarding a plane Wednesday to return from a conference of the World Meteorological Organization.
Mr. Holleman joined the National Weather Service in 1964 and worked in the engineering division and satellite service before being named deputy director of the communications division in 1976.
He was a native of Atlanta, and earned a bachelor's degree in electrical engineering at the University of Virginia in 1961. He worked briefly for a consulting firm in Silver Spring in 1961, then lived in Charleston, S.C., before moving here in 1964.
He served in the Navy during the Korean conflict.
Mr. Holleman served as a communications adviser to the director of the Brazilian Meteorological Service from 1967 to 1971 as part of a project under the auspices of the United Nations.
He was an adviser of the World Meteorological Organization and the Trigon Engineering Society.
He belonged to Aldersgate United Methodist Church in Alexandria.
Survivors include his wife, Marilyn, a son, David Wayne, and a daughter, Susan Marie, all of the home in Woodbridge, and his father, Harold W., of Richmond. CAPTION: Picture, H. YATES HOLLEMAN