The number of foggy days in the Central Valley is going down, and the decrease is bad news for fruit and nut farmers, since trees need the cooler temperatures to be productive.
Acquired February 21, 2010, these true- and false-color images of British Columbia show fog filling mountain valleys northeast of Vancouver. In the false-color image, vegetation appears bright green, snow appears bright turquoise, and fog appears as a very pale, muted blue-green.