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The avalanche danger level is a function of snowpack stability, the frequency distribution of snowpack stability, and avalanche size for a given unit (area and time). The European Avalanche Danger Scale has five levels: 5 – very high, 4 – high, 3 – considerable, 2 – moderate, 1 – low.
The North American Public Avalanche Danger Scale (NAPADS) is a system that rates avalanche danger and provides general travel advice based on the likelihood, size, and distribution of expected avalanches. It consists of five levels, from least to highest amount of danger: 1 – Low, 2 – Moderate, 3 – Considerable, 4 – High, 5 – Extreme.
10 de ago. de 2018 · The Avalanche Danger Scale is an ordinal, five-level warning system that is a cornerstone of public avalanche information. The system was developed in Europe in 1993, and introduced to North America in 1994.
Avalanche Danger Scale. An Introduction to the North American Avalanche Danger Scale. Watch on. You must remember four important points about this scale: The scale is not linear. Your risk increases about two fold for each rising level on the danger scale.
Snow avalanches are a serious natural hazard in mountainous re-gions around the world that can threaten settlements, trans-portation corridors, critical infrastructure (e.g., transmission lines), natural resource extraction (e.g., timber harvesting and mining), and people and infrastructure at remote work sites.
The scales that have been used to communicate avalanche hazard have evolved over time, ranging from four to eight levels across iterations of the danger scale in both North America and Europe (Dennis and Moore, 1996; Mitterer and Mitterer, 2018).
15 de ago. de 2022 · 15 Aug 2022. A user perspective on the avalanche danger scale – Insights from North America. Abby Morgan, Pascal Haegeli, Henry Finn, and Patrick Mair. Abstract. Danger ratings are used across many fields to convey the severity of a hazard.
