Officials issue new PDS warning for more extreme Santa Ana winds, fire weather in Los Angeles

The National Weather Service has again issued a rare special hazardous conditions warning as powerful and potentially damaging Santa Ana winds are expected to develop Monday.

The NWS announced on X that a PDS warning for Los Angeles and Ventura counties will go into effect at 12 noon Monday and last until 10 a.m. Tuesday. The NWS urges the public to prepare accordingly.

Wind activity is expected to develop rapidly Monday, starting in the Los Angeles County mountains in the afternoon and spreading to valleys and coastal areas by Monday evening or early Monday evening, according to the National Weather Service.

Wind gusts of up to 60 to 80 mph are possible Monday night and Tuesday morning in the eastern mountains of Los Angeles and Ventura counties, with gusts of 55 to 65 mph possible in many valleys and coastal areas in both counties, the NWS said.

Red flag warning goes into effect on Monday

Coupled with significant drops in humidity into the single digits, a red flag warning has been issued for much of Ventura and Los Angeles counties from late Monday morning into Tuesday night, including Pasadena, which will be in effect at 8 a.m. Monday to 6 p.m. effective Tuesday. Parking restrictions are also in place there. More information can be found here.

The National Weather Service said these conditions will create “hazardous” fire weather conditions. “New or existing fire sites will present a high risk of rapid fire spread and extreme fire behavior detected over long distances,” the National Weather Service added.

“The most critical days are going to be Monday and Tuesday, and then Wednesday, Thursday and Friday, we're still going to see gusts, they just won't be as strong as the next 48 hours,” KCAL9's Meteorologist Marina Yoo said. Rika.

By 10:40 a.m. Monday, wind gusts of up to 60 mph were expected in parts of the Santa Clarita Valley, down into Ventura County in western Los Angeles County and then into San Gabriel County and San Francisco, Eureka said. Nadino County Mountains.

“Like we saw a few weeks ago, winds do develop faster speeds as they move down slopes, and we have to really pay attention to those downslope winds,” Eureka added.

fire weather watch

Gusty winds and very low humidity will continue in these areas Tuesday night into Thursday. Winds are expected to be strongest Wednesday night into Thursday morning, with gusts of 40 to 55 mph. Fire weather warnings are in effect for much of the area Tuesday night through Thursday night as red flag conditions are likely to persist.

Gaofeng watch

Additionally, a strong wind watch will be in place for parts of Ventura and Los Angeles counties late Monday afternoon into Tuesday morning due to “a high risk for widespread damaging winds,” according to the National Weather Service.

By Friday, low pressure overhead may bring light rain and mountain snow, along with cooler temperatures.

moderate to strong gusts Downed trees, power outages and dangerous sea conditions could result.

Areas of greatest concern in Los Angeles County:

• Calabasas and Agoura Hills
• I-5 Corridor
• west san fernando valley

Areas of greatest interest in Ventura County:

• Ventura County Mountains
• valley
• Santa Monica Mountains West