THAT’S GOING TO ADD TO THE THREAT OF SOME HEAVY DOWNPOURS, WHICH IS WHY WE’RE UNDER A FLOOD WATCH. FLASH FLOODING IS POSSIBLE WITH THE STORMS THAT DEVELOP LATE THIS AFTERNOON AND EVENING, AND WE HAVE ...

The mechanism involves atmospheric waves that bounce between the upper atmosphere and ground level, amplifying weather patterns and making them more extreme. Scientists call this “stratospheric wave ...