San Francisco, United States - September 2014  
Looking With Kristin
At foggy San Francisco from Tank Hill Park. On a normal day, from this view, we could easily see the Golden Gate Bridge.

Fog is a common and typical weather phenomenon in the San Francisco Bay Area as well as along the entire coastline of California. The frequency of fog and low-lying stratus clouds is due to a particular combination of factors peculiar to the region. These factors are especially favored in the summer. Another type of fog, tule fog, can occur during the winter. There are occasions when both types can occur simultaneously in the Bay Area.