The 16 snowstorms yielding 9 inches or more of snowfall at Blue Hill in the months November to March were all associated with cyclones forming south of Lat. 40° and passing 70 to 265 miles south or southeast of Blue Hill. Half of them were young secondaries.
1 This study was completed in May, 1947, and so does not deal with the excessively snowy winter of 1947–8. The 5 heavy snowstorms of this winter conformed to the general pattern outlined in this paper, however, and will be considered in another study.
2 Now with the Woods Hole Oceanographic Institution, Museum of Comparative Zoology, Cambridge 38, Mass.