Flat Back: A stunt in which the top person is lying horizontal and is usually supported by two or more bases. Flip (Stunting): A stunting skill that involves hip-over-head rotation without contact with the performing surface or base(s) as the body passes through the inverted position.
Fall in San Francisco September-November. Fall in San Francisco is truly the best time of year for weather. Days are warm and sunny, sometimes blisteringly so, and nights are mild and clear.
For the record, the weather has turned back to winter in San Francisco. Yesterday, it was in the low to mid-50s and brisk, today it's cloudy, a little rainy, and right now, it's in the mid-40s (10 a.m.). The forecast for the rest of the week is mid- to high-50s and partly sunny.