No change 2 020040 Intensity diminishing 1 020040 Continues, apart from interruption lasting less than 30 minutes 4 020040 Intensity increasing 3 020040 2014-09-03T09:54:51.862Z Drift snow near the ground has become general drift snow 6 020040 General drift snow has become drift snow near the ground 5 020040 Drift snow has started again after an interruption of more than 30 minutes 7 020040 Evolution of drift snow Missing value 15 020040 1 Drift snow ended before the hour of observation 0 020040