Introduction
Bulletins summarize danger level, avalanche problems, and trend. Your job: translate them into terrain rules and a plan.
Essence / steps
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Check the basics
Region, validity time, danger level (1–5) and trend. Know what each level means for typical slopes.
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Avalanche problems
For each problem note: aspects, elevation bands, likelihood, and size (e.g., wind slabs, persistent weak layers, wet loose).
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Snow & weather
Summarize recent snowfall, wind, temperature, sun/freeze-thaw. Note when/where conditions worsen.
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Turn into terrain
Write do’s and don’ts: which aspects/elevations/angles to avoid, your Plan B, and stop-go triggers.
Typical mistakes
- Using the number alone, ignoring where the hazard exists (aspect/elevation).
- Missing the trend (afternoon warming) and starting too late.
- Binary thinking instead of terrain rules.
- Poor team sync — different interpretations create risk.
Questions
Is level 2 “safe”?
No. Level 2 often hides specific traps (e.g., wind slabs in lee). Stick to conservative angles and aspects from the bulletin.
When should I start?
Match start time to the temperature cycle and wind in the bulletin — earlier when warming or rising danger is forecast.
Instructor’s tip
“Reduce the bulletin to three lines: where not to go, where you can go, and what makes you turn around.”
Conclusion
Read to choose terrain, not to collect info. Let the plan and pace follow the report’s constraints.