"Warming temperatures thanks to offshore winds mean the normally cold and foggy San Francisco should feel more like the South or East Bay at the start of the workweek. As an added bonus, clear nighttime skies are expected, allowing residents to glimpse a celestial marvel this week. Parts of the city are expected to hit 85 degrees on Monday, the same high listed for warmer cities like Oakland and San Jose."
""We're getting some what we call offshore flow, so meaning wind that's going from land out towards the ocean," Brian Garcia, a meteorologist at the National Weather Service, told SFGATE. "As it comes down the Santa Cruz Mountains out towards the coast, that air actually compresses under the pressure of the atmosphere." The compressed air is able to bring warm weather all the way to the coast, Garcia explained."
"The phenomenon occurs when the moon reaches a point in its elliptical orbit closest to the Earth's surface, a point called the perigee. Supermoons appear 14% larger than average and, while not a technical astronomical term, "typically it's used to describe a full Moon that comes within at least 90 percent of perigee," according to NASA. The fall supermoon will be visible Monday evening in the Bay Area."
Offshore winds will push warm interior air toward the coast, weakening the usual marine layer and bringing atypically warm conditions to San Francisco at the start of the workweek. Parts of the city may reach 85 degrees Monday, matching highs in Oakland and San Jose. Compressed air descending the Santa Cruz Mountains will elevate coastal temperatures and help clear nighttime skies. Clear skies Monday night will allow viewing of the fall supermoon, which occurs at lunar perigee and appears about 14% larger than average. Elevated temperatures should persist through midweek, with a possible cooling trend Wednesday and an uncertain chance of rain late in the workweek.
Read at SFGATE
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