December 30, 2020 7:05 am What's a ‘Moonbow'? Dagmar Midcap Explains Did you know a rainbow — if conditions are right — can appear at night? It’s called a moonbow. But how does it happen? NBC 7 meteorologist Dagmar Midcap explains. US & World Videos 2:55 Trump's decision to deploy National Guard sparks pushback from SD lawmakers 2:52 SeaWorld unveils giant murals made from recycled fashion materials 2:05 San Diego among nationwide protests against immigration crackdown 2:23 Graduating Pine Valley seniors take a trip back to where their education began 3:10 Dozens move from homeless camp to Oceanside apartments, thanks to a $11M grant