Good morning. It’s Friday, and I’m reading about how you can name a bug after your ex — happy Valentine’s Day! Onto the five USC, Los Angeles, and California stories you need to know for today.

The newsletter will be off Monday for Presidents’ Day. Enjoy the long weekend.

1.

An atmospheric river wreaked havoc in LA yesterday, triggering mudslides in Altadena, Hollywood Hills, and Malibu, where a massive debris flow shut down the PCH. At least one vehicle carrying a firefighter was swept into the ocean by fast-moving floodwaters. The storm is expected to subside today.

Staff / Los Angeles Times

2.

Hinge and Tinder, the preferred dating apps of the college scene, consistently fail to prevent known rapists from returning to their platforms. The results are dangerous. In one instance, a Denver doctor met over a dozen women on the apps whom he drugged and assaulted, but was allowed to stay on the platforms even after multiple women reported his profile.

Emily Elena Dugdale and Hanisha Harjani / The Markup

3.

The city of Huntington Beach is embroiled in a culture war battle… over a library plaque. The $7,000 anniversary plaque in question prominently features the words “Magical, Alluring, Galvanizing, Adventurous” for no apparent reason other than to slap the acronym “MAGA” front and center.

Matt Szabo / Daily Pilot

4.

California’s ubiquitous cancer warning labels — slapped on anything from faux leather jackets to cookware — frequently draw ridicule for their failure to change consumer habits. But a new study found that the label requirement has actually pushed manufacturers to reformulate their products with fewer carcinogens.

Hiroko Tabuchi / The New York Times

5.

The Galen Center went wild last night as women’s basketball star JuJu Watkins powered the team to a 71-60 upset over No. 1 UCLA. The LA Times dubbed it a “performance for the ages,” which, notably, was the first time in over 40 years that the team has usurped a No. 1-ranked opponent.

Ryan Kartje / Los Angeles Times