The "rare" weather phenomenon was captured on Wednesday morning at Whittier Elementary School in Salt Lake City. Chris Herrmann came upon the icy playground when he came to work at the school, after rain had swept through the area the night before. was peppered with unusual white polka dots on Wednesday.
Chris Herrmann arrived at the school for work one chilly January morning when he came across the bizarre sight. Thousands of white polka dots covered the black asphalt playground, which was covered in ice that had formed after a rainstorm had swept through the previous night.Thousands of air pockets formed under the ice. meteorologist Marissa Lautenbacher, air pockets like these form when cold water from freezing rain fills the nooks and crannies of the asphalt. The air that had occupied those nooks and crannies is then pushed out.
Since the cold rain freezes as soon as it makes contact with the asphalt, Lautenbacher noted, the air bubbles that are being pushed out of the asphalt don’t have enough time to escape into the open air. This causes the tiny air bubbles to collect, eventually forming larger air pockets under the ice as they try to escape."Think of it like putting on a new screen protector on your smartphone," Lautenbacher said.
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