re: Major wildfire in Los Angeles (and Pasadena)

Good forecast and breakdown of the wind situation coming through the evening and into tomorrow.

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Critical Forecast Santa Ana Tonight into Sunday afternoon. January 11 - 12,2025

On Saturday, January 11, 2025, at 9:20 AM PDT, there are two Santa Ana wind events approaching within the next 42 hours. The initial event is expected to arrive later tonight and continue into Sunday. According to the latest 12Z NAM 850 Mb and 925 mb, a moderate short wave is projected to move into interior Southern California just north of Death Valley by 4 AM on Sunday.

Regrettably, this will likely lead to an increase in wind speeds, with gusts reaching up to E/NE 45MPH - 55MPH. This heightened wind activity is anticipated to persist at least until 1 PM on Sunday for areas including Western San Fernando Valley, Santa Clarita Valley, Malibu, Pacific Palisades, the majority of the San Fernando Valley, and some western sections of the #Eatonfire zone. Residents in these regions should remain vigilant.

Additionally, Orange County, as well as interior areas of San Bernardino, Riverside, and San Diego counties, can also expect gusts of similar intensity. These winds will result in humidity levels dropping from 0% to 5% across the region.

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The wind is the thing that is talked about, but this has been an incredibly long stretch of exceptionally dry air in place. What no one wants to see is any fires going up in other areas. That threat is significant.