frostless

And this change is from east to west in Inner Mongolia.The climate warming postponed frostless period,decreased snow,hailstone,thunderstorm,gale and day count of dust storm,increased rainfall.

气候变暖使蒙古地区霜期延长,积雪、冰雹、雷暴、大风、沙尘暴日数减少,降水量也出现由少转多的变化,对原类型分布起决定性作用的湿润度几乎没有变化。