California June 15, 2021 6:57 am What Defines a Heat Wave? We often hear about “heat waves” in San Diego County but what, exactly, defines this weather pattern? NBC 7 meteorologist Dagmar Midcap explains. US & World Videos 2:30 Exploring the possibility of La Jolla becoming its own city 1:34 San Diego Padres team up to give away Thanksgiving meals 3:16 Holiday market and tree lighting kick off holidays in Chula Vista 2:35 East Village affordable-housing complex marks milestone 22:56 Politically Speaking: Mike Levin's plans for his fourth House term
