⚠️ Safety Disclaimer
Snow Patrol is a decision-support tool only.

It does not replace avalanche training, professional mountain guide judgment, or an in-person avalanche course.

Avalanche terrain is inherently unpredictable. Data shown may be delayed, incomplete, or incorrect. The authors accept no liability for decisions made based on this output.

Always carry a transceiver, probe and shovel. Never travel alone. Complete an avalanche safety course before entering avalanche terrain.
I understand this is decision support only and take full responsibility for my own safety decisions.
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Avalanche Bulletin
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Check the official bulletin, then set the danger level:
Weather
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Temperature
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Wind km/h
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New snow 24h (cm)
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Snow trend
Terrain
Elevation –
Slope angle –
Aspect –
N S W E
DCMR Pre-Tour Assessment
D — Danger
Current bulletin level–

At danger level 3+ (Considerable), reactive triggering of avalanches is possible, especially on steep slopes. Human triggering is likely at level 4+.

C — Conditions
New snow >20 cm in past 24h
Strong wind loading (plumes, drifts visible)
Rain or rapid temperature rise
Solar radiation warming steep S/SW/SE slopes
Rapid overnight temperature drop (hard crust → weak layer)
M — Morphology
Convex roll-overs on planned route
Cross-loaded gullies or terrain traps below
Lee aspects match bulletin problem zones
Cornices above planned path
Route passes through runout zones
R — Route
Assessment Summary
This assessment is a decision-support tool only. It does not produce a go/no-go verdict. Review all four DCMR factors, cross-reference with the current bulletin, and make your own informed judgment. Final responsibility rests with you and your group.
Alarm Signs
⚠️ Multiple alarm signs active — strong consider retreating to safe terrain
Terrain Scan (AI)

AI terrain scan is a secondary support tool only. Low image quality or flat light significantly reduces reliability.

Snow Pit Log
Location & Terrain
Stability Test Type
CT Score & Result
ECT Result
Fracture Character
Weak Layer Details
Notes & Save
Saved Pit Logs (this session)
No pit logs yet
CALL 112 — EMERGENCY
Companion Rescue Sequence
1
Organise — assess safety. Check for secondary avalanche risk before entering the debris. Make the scene safe before proceeding.
2
Signal — call for help. Call 112 immediately. Note your GPS coordinates. Send someone to get help if no signal.
3
Search — transceiver. Switch all rescuers to SEARCH. Perform a systematic transceiver search across the debris.
4
Probe — pinpoint. Probe in a spiral pattern around the transceiver signal to locate the victim precisely.
5
Dig — strategic shovelling. Dig from below the victim, using a V-conveyor technique with multiple shovellers rotating. Speed is critical — survival drops sharply after 15 minutes.
6
Resuscitate. Clear airway. Begin CPR if no pulse and no breathing. Keep victim warm — hypothermia is a secondary risk.
Transceiver Check
All group members transmitting (led by guide)
Transceiver worn directly on body, under outer layer
Battery >50% (replace if below)
Probe assembled and accessible in pack
Shovel blade attached to handle and in pack