Dust Bowl?

We had our first sand storm yesterday. When we headed into the plant in the morning, the visibility was probably only 50 yards or less. When I first looked out the windows I thought it was just really hazy out. No such luck, instead it was the air being full of really fine dust/sand. Once we got to the plant and went inside for the training class, the visibility in the building was nearly as bad as it was outside. We were able to look down one hallway and it looked just like a smoke filled bar or something. The building we were in is not sealed all that well and people have a tendency to leave doorways open which made it even worse. One of the South African's in the class was joking that any time he washed his car it would either rain (what little bit they get) or a sand storm would roll in. The wind blew all day and the visibility never got any better that whole day. Didn't have my camera on me at the time or I would have tried to take some pictures.