The Avy Rose shows the forecasted danger by elevation and aspect.
It adds more detail about where you are likely to find the dangers mentioned in the forecast. The inner circle shows upper elevations (mountain top), the second circle is middle elevations, and the outer circle represents lower elevations.
Think of the Rose as a birds-eye view of a mountain, looking down from above. The rose allows our forecasters to visually show you which parts of the mountain they are most concerned about.
From the National Weather Service Rec Forecast:
The Thompson Pass Mountain Forecast covers the mountains (above
1000 ft) surrounding Keystone Canyon through Thompson Pass to
This forecast is for use in snow safety activities and emergency
Temp at 1000` 25 F 16 F
Temp at 3000` 20-28 F 18-26 F
Chance of precip 100% 100%
(above 1000 FT) 0.51 in 0.20 in
(above 1000 FT) 7-8 in 2-3 in
Snow level sea level sea level
Wind 3000` ridges SE 15-25 mph SE 10-20 mph
Remarks...Wind gusts to 35 mph in the early morning.
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