metvew showing heavy snowfall

we've been keeping an eye on Metvew for the last few days, infact we keep an eye on it regulary, the incoming system still looks like it will deliver over the next 24 hours. We have posted the 12 and 18 hour forecasts below issued 9am this morning, Sunday 8th of February. Looking at the thumbs page http://metvuw.com/forecast/forecast.php?type=rain&region=japan&noofdays=7 it looks like the week will see continued snowfall.