OGRS

Observation Guidelines and Recording Standards

Observation Guidelines and Recording Standards for Weather, Snowpack and Avalanches (OGRS) is the field observation technical guide for professional avalanche safety operations and research in Canada. OGRS describes the terminology, techniques and encoding recommended by the Canadian Avalanche Association for taking and recording observations of the weather, snowpack and avalanches.

related links

related attachments

  • OGRS 2008 eletronic pdf version

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  • OGRS 2007 Errata Appendix D Grain Classification

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  • OGRS 2007 Addendum Section 3.4.3 Avalanche Starting Zone

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  • OGRS 2007 Erratum Section 1.4 Sky Cover

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  • OGRS 2007 Addendum Appendix B.4 Avalanche Involvement Definitions

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  • Extended Column Test Guidelines

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  • Propagation Saw Test Guidelines

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  • OGRS 2007 Erratum Section 2.10 Deep Tap Test

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