The following 1 min video taken from a German meterologist site shows the spread of the radiation plume as it crosses over the USA. You will notice even some parts of Florida are effected. The English narrator explains what is taking place.
Here’s an article titled “Yellow Rain Causes Panic In Japan”. It includes a video. Here’s the link to that article and video. http://www.prisonplanet.com/chernobyl-style-yellow-rain-causes-panic-in-japan.html