weather

The process of changing leaf colors is often referred to as “fall foliage.” But what exactly happens scientifically to cause this change?

Strong, gusty winds have firefighters on high alert after winds affected recent fires. Brittany Hope reports for the NBC4 News at 6 a.m. on Nov. 12, 2024. 

A Red Flag Warning that was issued earlier this week will stay up through Friday as winds begin to weaken. Meteorologist Melissa Magee reports for the NBC4 News at 11 p.m. on Nov. 7, 2024. 

What is a PDS red flag warning? NWS meteorologist Rich Thompson explains the wind conditions during the Mountain Fire.

Much of Los Angeles County will again be facing red flag critical fire conditions Thursday as a powerful and “particularly dangerous” Santa Ana wind event continues to combine with low humidity to raise the risk of wildfires.

Residents in Ventura County are on edge as the Mountain Fire burns additional homes. Amber Frias reports for the NBC4 News at 6 p.m. on Wednesday Nov. 6, 2024.

It’s going to be a very gusty day in Southern California. Lauren Coronado reports for the NBC4 News at 5 a.m. on Nov. 6, 2024. 

High winds across Southern California prompted a red flag warning Monday, putting fire crews on high alert for possible wildfires.

Strong winds in several areas of Southern California have prompted advisories and warnings. John Cádiz Klemack reports for the NBC4 News at 6 a.m. on Nov. 4, 2024.

Los Angeles’ weekend forecast includes a small chance of rain and increasingly powerful winds into early next week for parts of Southern California.

There’s a small chance of rain. David Biggar has the forecast for Saturday Nov. 2, 2024.

Here’s your trick-or-treat forecast. Stephanie Olmo has the forecast for Thursday Oct. 31, 2024.

Parts of Southern California could see drizzle or light showers along with gusty winds by Monday.

Most parts of Southern California will get “a little taste of wind” on Monday. Meteorologist David Biggar has the forecast.

A wind advisory remains in effect until at least 3 p.m. Saturday in the San Fernando and Santa Clarita valleys as well as the Santa Monica Mountains, according to the National Weather Service.

Santa Ana winds will bring an increased risk for fast-moving wildfires Friday and into the weekend in Southern California.

Red flag warnings go into effect. Belen De Leon has the forecast for Friday Oct. 18, 2024.

El Niño and La Niña are climate phenomena that impacts weather across the U.S. and the world.

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