PREFACE 



This is the 65th in a series of annual reports on the International Ice Patrol 

 Service in the North Atlantic. It contains information on ice conditions and Ice 

 Patrol operations for 1979. 



The Marine Science Branch, Coast Guard Atlantic Area, prepares this 

 report and acknowledges the assistance and information provided by the Cana- 

 dian Department of the Environment, U.S. National Weather Service, U.S. 

 Naval Weather Service, U.S. Coast Guard Oceanographic Unit and the U.S. 

 Coast Guard Research and Development Center. We thank Lewis Research 

 Center, National Aeronautical and Space Administration for their continuing ef- 

 fort to improve RADAR detection of icebergs. 



We extend our sincere appreciation to the staff of Canadian Coast Guard 

 Radio Station St. John's/ VON for their excellent support during the 1979 Ice 

 Patrol Season. 



