PREFACE 



This bulletin is the annual report of the International Ice Patrol 

 Service for 1964. The operations of the International Ice Patrol for 

 1964 including aircraft and comunications activities are described. 

 Monthly ice conditions and statistics on ice and weather reports from 

 shipping for 1964 are reported. Preseason and post season activities 

 including the 1964 preseason northern ice surveys and the 1964 post 

 season ice surveys are described. There is a special section on weather 

 including a discussion of the correlation of meteorological elements and 

 the severity of the Grand Banks iceberg season. A discussion of the 

 future of the International Ice Patrol is also included. 



Comdr. Glenn O. Thompson, USCG was Commander, International 

 Ice Patrol, during the 1964 preseason period and during the season until 

 relieved by Comdr. William E. Murphy, USCG on 24 May 1964. 

 Capt. Richard L. Fuller, USCG became Commander, International 

 Ice Patrol, on 23 July 1964 and performed these duties during the 

 remainder of the 1964 ice season and during the post season period. 



The author of this bulletin is Comdr. R. E. Lenczyk, USCG. The 

 author gratefully acknowledges meterological data supplied by Mr. 

 William E. Markham, head of the Canadian Department of Transport 

 Ice Central, Halifax, Nova Scotia, and by the U.S. Naval Oceano- 

 graphic Office. 



With the publication of this report, this bulletin will be revised in 

 format. In the past, distribution of the annual report has been sig- 

 nificantly delayed because of the time required to process and analyze 

 the oceanographic data. The report of the operational phase of the 

 International Ice Patrol Service, including the narrative report of 

 activities and ice conditions and descriptions of research into the 

 operational problems, will continue to be published in this series. The 

 sections describing the physical oceanography of the Grand Banks 

 region and the Labrador Sea and oceanographic research will be 

 published separately in a recently established series : U.S. Coast Guard 

 Oceanographic Reports, CG-373. 



VII 



