TABLE OF CONTENTS 



Page 



Preface vii 



International Ice Patrol 1964 1 



Aerial Ice Reconnaissance 6 



Communications 7 



Monthly Ice Conditions 9 



Normal Isotherm Charts for Grand Banks and Vicinity 34 



Weather: 



General Discussion 39 



The Effect of Monthly Mean Sea Level Atmospheric Pressure Distri- 

 bution on the Grand Banks Ice Season 46 



The Correlation Between Winter Frost Degree Days of Selected 

 Baffin Island — Labrador — Newfoundland Coastal Stations and 



Relative Severity of the Grand Banks Ice Season 58 



Baffin Island, Labrador, and Grand Banks, Newfoundland Weather, 



1964 Season 60 



Northern Ice Surveys: 



General Discussion 68 



Preseason 1964 Northern Ice Surveys 69 



Post Season 1964 Northern Ice Surveys 84 



The Future of the International Ice Patrol 88 



Ice and Weather Reports 101 



