00000nam 2200000zi 4500 9.949317 CaOODSP 20250321093831 m o d f cr bn||||||||| 250320e19480703onc o f000 0 eng d CaOODSP eng rda CaOODSP ln----- En57-56/45-1948E-PDF Thomson, Andrew, author. Subject : advisory - North Atlantic / Andrew Thomson, Controller. Advisory - North Atlantic [Toronto] : Meteorological Division - Department of Transport - Canada, 3 Jul 48. 1 online resource (2 pages). text txt rdacontent computer c rdamedia online resource cr rdacarrier TEC ; 45 Caption title. Digitized edition from print [produced by Environment and Climate Change Canada]. "From time to time, developments in meteorological conditions usually referred to as "blocking" take place over the North Atlantic, substantially affecting the future motions and development of systems over the eastern part of North America"--Page [1]. Blocking (Meteorology) North Atlantic Region. Meteorology North Atlantic Region. Blocage (Météorologie) Atlantique Nord, Région de l'. Météorologie Atlantique Nord, Région de l'. Canada. Meteorological Division, issuing body. TEC ; 45. (CaOODSP)9.934253 PDF 75.0 KB https://publications.gc.ca/collections/collection_2025/eccc/en57/En57-56-45-1948-eng.pdf 672572425 CIR-1467