Safety
Know when and where it gets dangerous – from the warning services’ avalanche bulletins and official terrain data.
Avalanche situation
Each warning region is coloured by the danger level in force today, from the SLF in Switzerland through Euregio, the Austrian states and Bavaria to AINEVA in Italy, the Slovenian warning service and Météo-France in France. Where the level changes at a border, you see it at a glance. Most services publish their bulletin at 5 pm, some add an update in the morning. The app has it a few minutes later.
Avalanche bulletin
Tapping a region opens the bulletin of its warning service, laid out as the service lays it out: first the danger level, then the avalanche problems with aspect and elevation, followed by snowpack, weather and tendency. When a new bulletin is out, the iPhone app tells you around 5 pm and in the morning.
Terrain
Across the whole Alps
Six terrain layers on the same section of map, so you compare the same slopes.
ATES avalanche terrain
- Simple
- Challenging
- Complex
- Extreme
The Avalanche Terrain Exposure Scale (ATES) classifies terrain by how exposed you are to avalanches there, whatever today’s conditions. It draws on elevation models at 5 metre resolution, release areas, avalanche paths and the forest that slows them down. Together with the AI avalanche model it is one of two avalanche models that cover the whole Alps, across every national border.
AI avalanche model
- Release potential: higher
- Release potential: lower
- Runout
The AI avalanche model (ATM) shows where avalanches can release and how far they run out, like the SLF for avalanches up to about size 3, on a 5 metre grid. It is experimental and was developed with generative AI. It describes the terrain; the conditions of the day are in the bulletin.
Slope angle
- 30–35°
- 35–40°
- 40–42°
- 42–45°
- 45–50°
- 50–55°
- > 55°
Slab avalanches release almost only on slopes of 30° and more. The slope layer colours exactly these areas, in seven classes up to more than 55°, from a 5 metre elevation model of the Alps.
Slope angle from 30°
- From 30°
The second form shows all slopes from 30° in one colour, from the same data. The picture stays calm and the map underneath easy to read.
For Switzerland
CAT (SLF)
- Release
- Remote triggering
- Runout
In Switzerland, two layers from the SLF are added. Classified Avalanche Terrain (CAT) shows, for avalanches up to size 3, the release, remote triggering and runout.
ATH (SLF)
Avalanche Terrain Hazard (ATH) puts both into one colour scale: how easily a slope releases and what an avalanche could do there, from the same simulations. From green through blue to dark red, the hazard rises.
Your route
Tour-Check
Tour-Check checks your route with the SLABS model: the steepness around each point, forest and terrain shape, combined with the danger level of the bulletin for that elevation and aspect. The line turns green, orange or red, and a value sums up the whole tour. This works for your own route as well as for each of the more than 13,000 official ski tours on the map.
The basis for your decision
With these you prepare your tour at home. Snowpack, wind slabs, cornices and the conditions of the day you assess on the spot.
- Slope meter Live slope measurement with the device sensor – read steepness directly on the slope.
- Compass Shows your heading, easy to read even in a whiteout.
