Amelia Rosch is an intern at ThinkProgress. Two paddle boarders cool off in the water during the ongoing Southern California heat wave, Monday, Sept. 15, 2014, in Huntington Beach, Calif. Southern California is roasting in triple-digit temperatures and forecasters say the heat wave will continue at least another day. CREDIT: AP PHOTO/ CHRIS CARLSON Following an excessive heat warning, the Los Angeles Unified School District cancelled outdoor sporting activities for Monday and Tuesday, while over 100 schools in San Diego had shortened days to protect students from high temperatures.