Experts say the sort of exact estimates attributed to the Beijing Weather Modification Office official by Xinhua -- 16 million tons of extra snow -- is nearly impossible to make for any individual storm, although statistics gathered painstakingly over years can enable estimates of the effectiveness of longer-term efforts.

WSJ: Blizzard Renews Storm Over China Making Snow

Mr Snow said on Friday he would be telling Chinese officials in person that Beijing needed to act soon to make the yuan more flexible.

BBC: NEWS | Business | Snow to focus on US-China tension