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Sunday's live blog: Hilary targets the Southwest

04:50 PM
August 20, 2023

Sunday's live blog
Hilary targets the Southwest

The Southwest braces for life-threatening flooding as Hilary brings more than a year's worth of rain to many communities. This live blog will keep you up-to-date on the latest as this powerful storm brings big impacts.

6:45 p.m. Pacific

Tropical Storm Hilary continues to produce heavy rainfall and strong winds across Southern California and the Southern Great Basin. Maximum sustained winds are near 50 mph, with higher gusts reported in areas like Yuma, Arizona, and Imperial County Airport, California.

Tropical storm conditions are expected to persist through tonight but will likely improve by tomorrow morning as Hilary weakens and is forecast to become a post-tropical cyclone overnight.

Check-in with Weather & Radar tomorrow morning for a recap on this ongoing severe weather outbreak.

5:45 p.m. Pacific

Jonathan Petramala is reporting from I-10 near Palm Springs, where flooding is causing major problems. Travel is not recommended at this time.

5:00 p.m. Pacific

Flooded roads have led to a declaration of a local emergency in Palm Springs, Calif.

4:15 p.m. Pacific

While flooding is by far the biggest hazard from Hilary, there have been some very gusty winds in Southern California, especially in the mountains, where gusts upwards of 70 mph have been measured.

SoCal Wind Gusts

3:45 p.m. Pacific

A tornado warning is in effect until 4 p.m. PT for Alpine and Descanso, Calif.

3:15 p.m. Pacific

The magnitude of the earthquake near Ojai has been updated to 5.1. So far, at least four aftershocks have been at least 3.0 or more in Magnitude.

3:00 p.m. Pacific

A 5.0 magnitude earthquake just occurred near Ojai, Calif. There is no tsunami threat for southern California.

2:45 p.m. Pacific

Check out the latest from Jonathan Petramala, reporting from Highway 98 near the U.S./Mexico border.

2:30 p.m. Pacific

While flooding is the most significant concern with Hilary, a few tornadoes are also possible. A slight risk (level two out of five) of severe storms is in place for parts of Southern California and southwestern Arizona.

2:00 p.m. Pacific

Waters are rising in Los Angeles as more moisture funnels in. Nearly 3 inches of rain has already fallen in LA County and more is on the way.

1:30 p.m. Pacific

Highway 98 along the U.S./Mexico border is closed due to flooding. Jonathan Petramala is on scene reporting for Weather & Radar.

1:00 p.m. Pacific

Five shelters are open in California and are ready for residents impacted by Hilary. Shelters are open in Imperial, Orange, Riverside, and San Bernardino counties.

12:30 p.m. Pacific

Nearly a foot of rain is expected in parts of Southern California over the next 24-48 hours. This event is just getting started. Turn on your Weather & Radar app alerts now.

12:00 p.m. Pacific

Tropical Storm Hilary has officially made landfall in northern Baja California. The flooding threat is just beginning for the Southwest.

Mudslides are already starting up in Palmdale, Calif., and Los Angeles County is now under a flash flood warning. Check conditions on the WeatherRadar and avoid travel.

11:45 a.m. Pacific

Communities in the Bond Fire burn area in Silverado and Williams Canyons are under a voluntary evacuation notice due to possible debris flows near the burn scar area. Los Angeles County Parks, the LA Zoo, Legoland, and Disney Land are all closed today and tomorrow.

11:15 a.m. Pacific

Meteorologist Becca Parker will be live on YouTube at 11:30 a.m. PT/2:30 p.m. ET with the latest on Hilary's impacts on the Southwest. Click the link below to watch.

11:00 a.m. Pacific

Residents along Southern California's coast are filling up sandbags and creating berms in preparation for coastal flooding as Hilary moves north. Weather & Radar's Jonathan Petramala interviewed a resident of Long Beach, Calif., giving us a closer look as preparations continue.

10:45 a.m. Pacific

Click the link below for the latest forecast analysis on Hilary.

Latest forecast analysisread more

10:00 a.m. Pacific

Tropical Storm Hilary is set to track into Southern California today and will bring the threat of flash flooding along with it. For the first time ever, tropical storm warnings are in place for Southern California and a year's worth of rain is on the way for some communities.

Weather & Radar USA editorial team
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