Santa Anas to serve up gusty Thanksgiving morning, prompting fire, frost concerns

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The fierce Santa Ana winds that are descending on Southern California over the Thanksgiving holiday are setting fires — and freezes — concerns, the dramatically different events that can come with seasonal gusts.

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a red flag warning According to the National Weather Service, it became effective at 10 a.m. Wednesday for Los Angeles and Ventura counties and will last until 6 p.m. Friday, as northeasterly winds and bone-dry air bring the potential for severe fire weather to the area.


Strong isolated gusts of 60 to 70 mph are expected to gusts up to 35 to 55 mph, potentially destroying foothills and mountainous areas – with minimum humidity of only 2% to 8% has been added together. Strongest winds are expected Wednesday night through Thursday morning, which resembles a Thanksgiving morning.


The winds are likely to weaken till Friday, but very low humidity and occasional strong winds will continue till noon as per the warnings.

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“Any new fire can spread fast!” The weather service warned in a separate tweet, noting in a separate tweet that residents should have an emergency plan in place in the event of an evacuation triggered by fast-growing wildfires, even at night.

Southern California Edison said on Tuesday that about 99,000 customers A public safety may be affected by power shutoffs to reduce the risk of fires from utility lines torn down by winds.

The utility said the largest outages could be seen in inland areas of Riverside, San Bernardino, Ventura and Los Angeles County. Kern and Orange Counties may also be affected.

The weather service said the Santa Anas usually associated with warm, dry gusts could shuttle cold air from the Great Basin to the interior valleys and mountains of the Southland. Temperatures in Antelope Valley are expected to drop significantly below freezing on Wednesday night.

Weather officials said residents should be prepared to protect vulnerable plants and shelter animals outside in colder conditions. Temperatures between 33 and 36 degrees F can damage plants left outside, while temperatures of 32 degrees and below can kill them.

In the Sierra, mild, dry conditions are prompting some ski resorts to delay their winter season – a complete reversal of early-season storms followed by snowfall on some peaks, with some resorts opening ahead of schedule on time. inspire to.

This week the Sugar Bowl resort of Lake Tahoe announced that it will not open Friday as planned for Thanksgiving weekend.

“We held on to hope as long as we could,” but the forecast of unfavorable conditions forced delays, resorting to wrote on his website on Monday,

No updated opening date was provided for the resort located on the north side of Lake Tahoe. “We’ll let you know as soon as we know,” Resort said.

The Heavenly and Northstar Resorts had already announced that they would not open until the holiday weekend, and did not give fire opening dates, either. Associated Press reported,

Meanwhile, Palisades Tahoe and Mammoth Mountain, south of Lake Tahoe, both started their winter season early in October due to a major storm fed by an atmospheric river. Palisades Tahoe has since been closed due to dry weather.

A major factor driving the hot, dry conditions in Southern California is the rise of La Nia conditions for the second year in a row.

This phenomenon is associated with warm, dry winters in the Southwest and cold, wet conditions in the Pacific Northwest. Northern California, smack in the middle, is more than a toss-up.

Amidst La Nia Encore, Southern California is expected to see below-normal rainfall and above-normal temperatures this winter, according to a 2021 Winter Outlook Issued by the National Oceanic and Atmospheric Administration, spanning December through February.

South of the Bay Area — throughout Central and Southern California — “the chances of any drought improving are slim,” said Brad Pugh, a meteorologist with NOAA, late last month.

The Associated Press contributed to this report.

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