The worst of the rainfall in the first atmospheric river to hit San Diego this year has passed, but the impacts will still be felt for the next few days at the region’s beaches.

The peak of the latest storm passed through San Diego County Thursday night, bringing a period of heavy rainfall that caused flooding in some parts of the region.

In Kearny Mesa, all eastbound state Route 52 lanes at Convoy Street were shut down for several hours so Caltrans workers could clear out clogged drains near the roads. Several miles away, Caltrans ...