The pre-dawn light on this autumn morning in California’s Central Valley did not look all that promising. It was one of those, “OK, but nothing remarkable” days — lovely, but not with quite the magic I hoped for. As I recall, the earliest light of sunrise was muted by clouds to the east over the Sierra Nevada. But before long things began to improve, and I had a few moments of quite intense light shortly after sunrise.
This is an example of a phenomenon that I’ve learned to watch for. It is a circumstance that increases the potential for brilliant dawn or sunset color, though it is far from a guarantee. On a cloudy morning or evening when the cloud layer ends far to the east (at dawn) or west (at sunset), there is a chance that the sun will briefly shine under the clouds as it touches the horizon, lighting the clouds with intensely colorful light from underneath.
G Dan Mitchell is a California photographer and visual opportunist. His book, “California’s Fall Color: A Photographer’s Guide to Autumn in the Sierra” is available from Heyday Books, Amazon, and directly from G Dan Mitchell.
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