Avalanche Risk Checker
Learn avalanche risk assessment and check if conditions are safe for backcountry skiing.
Avalanche Risk Checker
30°
Always get avalanche training and check official forecasts. Never ski alone in backcountry.
Assess avalanche risk using slope angle, recent snowfall, wind, and temperature trends. Make informed decisions about backcountry access and avalanche danger.
Key Features
Slope angle slider (0-60 degrees) with visual indicator
Recent snowfall categorization: none, moderate (10-20cm), heavy (20cm+)
Wind condition assessment: light, moderate, strong
Temperature trend tracking: stable, warming, cooling
Risk scoring system producing Low, Moderate, Considerable, or High results
Color-coded visual danger assessment
Avalanche Risk Checker
Determine Slope Angle
Use an inclinometer or visual estimation to gauge slope steepness (30-45° is highest avalanche risk; >45° slides continuously).
Input Recent Snowfall
Check weather reports for recent precipitation. Heavy new snow significantly increases risk.
Assess Wind Conditions
Evaluate current and recent wind speed. Strong wind creates unstable slab conditions.
Note Temperature Trend
Monitor warming or cooling trends. Rapid warming destabilizes snowpack; cooling strengthens it.
Use Cases
Backcountry skiers and snowboarders assessing daily risk before trips
Mountain guides evaluating terrain suitability for clients
Ski patrol monitoring conditions and issuing avalanche forecasts
Snowmobile riders making responsible riding decisions
Frequently Asked Questions
What slope angle is most dangerous?
Slopes between 30-45° are most avalanche-prone. They're steep enough to slide but not so steep that snow continuously slides off.
How much does new snow increase risk?
Significantly. Heavy fresh snow (20cm+) dramatically increases risk for days until it bonds to the snowpack.
What if this tool says conditions are safe?
This tool is a screening tool. Always check official avalanche forecasts, get avalanche training, and never travel alone in backcountry.
Can warming temperatures cause avalanches?
Yes, rapid warming (especially spring) weakens bonds between snow layers, causing wet slides. Freezing nights help restabilize slopes.
Tool Information
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