Beijing was hit with its earliest recorded snowfall on Sunday as an unusually cold fall storm moved into the area. Ahead of the storm the Beijing Weather Modification Office used a cloud seeding method in an attempt to increase rain and snowfall associated with the storm. Officials are attempting to alleviate a severe drought gripping the area. While the effects of clouds seeding on precipitation is still being researched and likely highly variable, the fact that Beijing was blanketed in snow, causing travel troubles there and all across the region, is definitely a talking point of the storm. The roads were slick and 100 flights were either delayed or canceled at the airport in this city of millions. See Youtube Video of the snow here: http://www.youtube.com/watch?v=lRSxSl9PNSA .
Cloud seeding in the United States was attempted many times in the last century. But experiments never yielded any definitive results and funding for such experiments has declined. Much controversy surrounds cloud seeding since people and property on the ground could be negatively affected (i.e. flooding, hail, storm track changes) rather than positively affected. - First Alert Meteorologist Erin Jordan