Saturday morning brought the city its first ever tornado warning. Around 5:45 AM, the National Weather Service identified a powerful rotating storm headed straight for San Francisco. With a tornadic signature confirmed via radar, the alert went out at approximately 5:50. Many woke to their screaming phones with no idea

Back-to-back storms have characterized this winter in ways unseen since the nineties. Flash flooding in low-lying areas on surface streets, freeways, busy city intersections and residential zones. Landslides on forested and urbanized slopes closing coastal highways and threatening homes. Washouts that swallow portions of piers and historic promenades have been