"A modest Friday-through-Sunday refresh is the clearest near-term signal across Japan, led by western Hokkaido, before the forecast turns much less certain late next week. Confidence is highest from Thursday night, March 12 through Sunday night, March 15, when the guidance is reasonably aligned on a cooler, mostly all-snow setup followed by a quieter start to next week."
"Kiroro is favored for around 20-30 cm through Sunday, while Niseko looks closer to 5-10 cm and most other Hokkaido areas closer to 2-8 cm. Honshu is lighter overall, generally 0-5 cm at most resorts, with Akakura the best chance to sneak toward 10 cm. Snow levels stay low enough for solid coverage, mostly below 300 meters in Hokkaido and around 300 to 700 meters in the Honshu snow."
"Monday through Wednesday trend much quieter, then late next week into next weekend carries much lower confidence. The individual models converge on a relatively dry stretch early next week, with only spotty light snow and no meaningful regional totals signal, while winds ease and mountain temperatures stay seasonably cool."
A weather system will bring snow to Japan from Thursday night through Sunday, with the most reliable snowfall targeting western Hokkaido. Kiroro is expected to receive 20-30 cm, while Niseko receives 5-10 cm and most other Hokkaido areas 2-8 cm. Honshu will see lighter accumulation of 0-5 cm at most resorts, with Akakura potentially reaching 10 cm. Snow levels remain low, mostly below 300 meters in Hokkaido and 300-700 meters in Honshu. Snow quality will be moderate to light with density ratios between 7-14. Wind gusts on exposed Hokkaido ridges may reach 40-70 km/h. Monday through Wednesday will be quieter with only spotty light snow. Late next week's forecast carries significantly lower confidence, with models diverging on potential storm development.
Read at SnowBrains
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