‘May gray’ and ‘June gloom’ are disappearing
Locals call it May gray and June gloom. … The featureless marine-layer stratus clouds occur at low levels of the atmosphere, and they generally don’t produce any rain, although they’re capable of producing drizzle or mist. More important, they serve as a natural heat shield for heavily populated coastal Southern California, efficiently reflecting the sun’s rays back into space. … Scientists are studying the ways that climate change may be chipping away at the coastal marine layer. A study published in 2018 found that the frequency of coastal stratus clouds had declined by 20% to 50% since the 1970s …