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Old 02-21-2014, 07:57 PM
 
Location: East coast
613 posts, read 1,168,223 times
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I understand that hot air can hold more precipitation than cold air, so rain comes down harder and stronger in the tropics or in the summers in places with hot summers. I also understand that fronts are responsible for the more drizzly rain, large air masses of different temperatures slowly moving/contacting one another so that rain is prolonged rather than in a heavy thunderstorm that happens quickly and shortly due to daytime heating, and that fronts are at play really only in mid latitudes when temperature contrasts are greatest latitude-wise.

Why isn't there misty/drizzly rain more commonly in hot places, or hot days, even when humidity is high or say, night time doesn't differ that much from day time in temperature? Why do you not really get for instance, a hot drizzly day that is say 80s or 90s F with little rain droplets slowly precipitating out of the air all day long. Or do you? Could a mechanism like that happen? Could you get a hot day in the 80s or 90s with long, consistent drizzle and cloud in the style of the British Isles or the winter of the Pacific northwest, except for the temperature.

It would be cool if there was a climate in the world that had hot drizzly precipitation.
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Old 02-21-2014, 08:38 PM
 
Location: Singapore
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Evaporation combined with too low of a dew point I suppose.

Sometimes southern California coastal areas have drizzle in the summer but it's usually a mild temperature when that happens (e.g. 20C).
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Old 02-21-2014, 08:42 PM
 
Location: East coast
613 posts, read 1,168,223 times
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But couldn't a humid hot climate have a drizzly day? What about rainforest (I'm talking solidly tropical ones, not highland cloud forests or temperate rainforests) or equatorial ones?
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Old 02-21-2014, 08:50 PM
 
Location: Singapore
3,341 posts, read 5,555,912 times
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I don't really know but my guess is that there are no tropical climates that receive drizzle because the type of clouds that produce drizzle usually don't exist in those regions, if ever.

I think it could happen in certain subtropical climates (provided high enough latitude) but not very often. Maybe in Sydney and along the NSW coast.
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