March 30, 2021 1:52 pm UV Index: Why Does It Change Throughout the Year? How do UV rays change throughout the year and why is it possible to get a sunburn even when it’s cloudy? NBC 7 Meteorologist Sheena Parveen has everything you need to know about the UV index. US & World Videos 5:01 Iconic Oceanside Pier continues to smolder as firefight enters day 2 4:45 Oceanside Pier firefight enters day 2 4:48 Massive blaze burns at iconic Oceanside Pier 0:50 WATCH: Drone captures new footage of Oceanside Pier fire 4:37 Massive fire damages iconic Oceanside Pier