山の天気予報:株式会社ヤマテン
Domestic Mountain Weather Forecast Services

For Outdoor Guides

Valley sports, such as canyoning, rafting and canoeing as well as aerial sports such as paragliding and parapanting are greatly affected by weather.
The recent increase in “guerilla” downpours and downbursts due to cumulonimbi directly attribute to the possibility for suddenly attacks of life threatening weather conditions.
In times like these, it is important to be able to accurately predict events such as an accumulating or approaching cumulonimbus in order to avoid or decrease the risks of dangerous accidents.