3x3 Reduction method calculator

Reduction method calculator to use for the Werner Munter 3x3 method to find the acceptable avalanche risk before going to the mountains

Select Danger level: Select snow type:


RF1		Steepest slope 35–39° Steepest slope 30–34°

RF2		Abandon sector NW-NE Abandon sector WNW-N-ESE Abandon the sectors mention in the avalanche bulletin

RF3		Regular skied slope

RF4		Big groups with releasing distance Small group (2-4 persons) Small group with releasing distance