00000nam 2200000za 4500 9.868413 CaOODSP 20241203113646 m go d f cr ||||||||||| 190215e19790727bcca|||fo f000 0 eng d CaOODSP eng CaOODSP rda n-cn-bc En57-44/79-022E-PDF Beal, H. T., author. A surprise Pacific storm, April 1979 / H.T. Beal, meteorologist. Vancouver : Pacific Weather Centre, July 27, 1979. 1 online resource (3 pages, 7 unnumbered pages) : illustrations text txt rdacontent computer c rdamedia online resource cr rdacarrier Pacific region technical notes ; no. 79-022 Caption title. Digitized edition from print [produced by Environment and Climate Change Canada]. "This brief presentation underlines some of the problems linked with determining the when and where and if of the onset of significant syslogenesis. At present one can merely be alert to certain initial configurations favouring development. To summarize, the main conditions encountered for this development were: (1) A large amplitude trough, (2) An approaching significant wave further upstream, (3) A strong baroclinic zone, (4) Onset of concave (cyclonic) curvature of the baroclinic zone cirrus with subsequent emergence of the comma head"--page 3. gccst Weather forecasts gccst Storms Canada. Environment Canada. Canada. Atmospheric Environment Service. Pacific Region. Canada. Atmospheric Environment Service. Pacific Weather Center. Pacific region technical notes (Canada. Atmospheric Environment Service. Pacific Region) no. 79-022 (CaOODSP)9.865532 PDF 4.30 MB https://publications.gc.ca/collections/collection_2019/eccc/en57-44/En57-44-79-022-eng.pdf