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Observer circular .: En58-20E-PDF

Observer circulars provide instructions concerning new or revised observing procedures and/or new equipment and provide temporary interim instructions. Observer circulars supplement the current edition and amendment of the Manual of Surface Weather Observations (MANOBS) and are incorporated in subsequent editions or amendments.

Permanent link to this Catalogue record:
publications.gc.ca/pub?id=9.838231&sl=0

Publication information
Department/Agency
  • Canada. Environment and Climate Change Canada.
TitleObserver circular .
Publication typePeriodical
Language[English]
Other language editions[French]
FormatDigital text
Note(s)
  • Issued also in French under title: Circulaire d’observation.
  • "Effective February 2019, coinciding with the publication of MANOBS 8th Edition, Observer Circulars are no longer issued by Environment and Climate Change Canada" -- https://www.canada.ca/en/environment-climate-change/services/weather-manuals-documentation.html#Cir .
Publishing information
  • [Gatineau, QC] : Environment and Climate Change Canada,[2017]-[2019]
ChronologyBegan with: OBS 2-2017 (April 27, 2017); ceased with OBS4-2018.
FrequencyTwice a year
ISSN2291-2886
Catalogue number
  • En58-20E-PDF
Subject terms
IssuesClick here to expand all
2018 Click to expand
2017 Click to expand
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