Vel, do you have a list of the cities that have been hit? Or can you provide a link?
"The cities that received the envelopes include Fort Lauderdale, Wilton Manors, Davie, Weston, Lauderdale-By-The-Sea, Tamarac, Sea Ranch Lakes, Oakland Park, Sunrise, Lauderdale Lakes. There may be others."
http://www.sun-sentinel.com/news/local/southflorida/sfl-0930whitepowder,0,4786870.story?coll=sfla-home-headlines