CBS) LOS ANGELES Residents in eastern areas of Los Angeles and Orange counties are experiencing the remnants of Hurricane Dean in the form of muggy air and thunderheads. A blast of tropical moisture from the Gulf of Mexico has blown all the way to California. When the air meets updrafts from the mountains, it creates thunderheads, according to a meteorologist at the National Weather Service. A thunderstorm watch has been put in effect for Southern California mountains and deserts as far north as Big Lear Lake. It will continue until 8 p.m. Saturday and is likely to be repeated Sunday,...