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Why it's so blustery, muggy and cloudy in Southern California
The latest batch of monsoonal moisture has brought windy, muggy conditions to much of L.A. County.
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Brian van der Brug
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Los Angeles Times via Getty Images
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Topline:
The weather’s been a little different lately, with humidity, isolated rain and wind gusts throughout much of Southern California. Monsoonal moisture is responsible for the late-summer bout of gray.
The weather: It isn’t just you — it really was cloudier this Labor Day holiday, and it is again as the workweek begins. That’s because there’s a storm system moving through the area, causing cloudiness and isolated rain, especially in the deserts and mountain areas. This storm system will stick around through mid-week.
Wind and mugginess: Even if you don’t see any rain where you are, you may notice higher humidity this week. And strong wind gusts have even been hitting inland urban areas: For instance, National Weather Service meteorologist Adam Roser said gusts of 40 to 60 mph were measured Tuesday morning south of San Bernardino.
The cause: The storms are just the latest batch of monsoonal moisture that’s been coming up from northern Mexico this summer, Roser said.
The forecast: Thunderstorms are possible across much of Los Angeles, Santa Barbara and Ventura counties today. The greatest likelihood is in the Antelope Valley. Much of Orange County and the Inland Empire could also see scattered thunderstorms tonight. The chance of storms gets higher the farther inland you go.
Later in the week: Roser said the weather should dry out by the end of the week, with the chance of thunderstorms pretty much gone by the weekend.
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Hazards: Watch out for strong wind gusts and sudden downpours, especially in northern L.A. County. Mudflows and flash flooding could occur, especially around the Bridge Fire burn scar. Dry lightning could spark fires.
Drive safely: Driving in the rain is a hazard in and of itself, especially when it hasn’t rained in a bit and roads are slick from oil. “ The roads are quite dry,” Roser said. “The roads can be very slick when it gets wet.”
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