image: Sea of clouds (SOC) formation was observed over three years in Nagano Prefecture. Large-scale SOCs were commonly observed in early morning, while small-scale SOCs in the eastern valley ...

Sea of clouds (SOC) formation was observed over three years in Nagano Prefecture. Large-scale SOCs were commonly observed in early morning, while small-scale SOCs in the eastern valley corresponded ...

Warmer air and precipitation return, with rain becoming likely into early next week. Snow levels will rise well above pass level with the initial system, confining snowfall to the higher Cascades.