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Here I am. Day 2, San Francisco. Thinking about walking along the rocks at Land's End in San Francisco. Also thinking about what causes the fog there. Well, here's the scoop.
1. Earth turns on axis.
2. The force produced by the turning is called the Coriolis force or effect.
3. On the west coasts of the planet the turning of the earth causes the currents of the top of the ocean to move out to sea.
4. The cold water from down below (cold water almost always lies below warm water) comes up near the shore.
5. The heat from the land rises and mixes with the cool air from the sea.
6. As the air moves around near the sea, it gets cooler both on the coast and at sea along the coast.
7. The water that was in the heated air condenses in the cooler air because hot air holds more moisture than cool air.
8. When air can't hold it's moisture, fog forms, the fog being tiny droplets of condensed water that the hot air had had in it.
Fog adds mystery to photographs as well as dimension.
1. Earth turns on axis.
2. The force produced by the turning is called the Coriolis force or effect.
3. On the west coasts of the planet the turning of the earth causes the currents of the top of the ocean to move out to sea.
4. The cold water from down below (cold water almost always lies below warm water) comes up near the shore.
5. The heat from the land rises and mixes with the cool air from the sea.
6. As the air moves around near the sea, it gets cooler both on the coast and at sea along the coast.
7. The water that was in the heated air condenses in the cooler air because hot air holds more moisture than cool air.
8. When air can't hold it's moisture, fog forms, the fog being tiny droplets of condensed water that the hot air had had in it.
Fog adds mystery to photographs as well as dimension.
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