Myoko Backcountry Weather

The best of Myoko Kogen's backcountry weather onservation sources
 

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Japan Avalanche Network

JAN has daily avalanche bulletins during the winter and the observations are taken at the Myoko Suginohara ski patrol plot at Sasagamine. Reports are in english but translate very well with google translate. They currently use CAA guide lines for forecasting.

 
 
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Japan Meteorological Agency

The JMA Have a number of tools to help backcountry enthusiasts get a better understanding of conditions:

Myoko Weather station last 6/12 hour snowfall amount

(note that these weather stations are at the bottom of the mountain, you can expect 3x up top in most locations)

Myoko Snowfall analysis and prediction

This tool helps us understand snowpack depth and also the snowfall as it happened per 30 mins over the last 24 hours and prediction of next 6 hours