China with weather modification/Polar split recently!
https://www.cnn.com/2020/12/03/asia/china-weather-modification-cloud-seeding-intl-hnk/index.html
https://www.msn.com/en-us/weather/topstories/the-polar-vortex-is-splitting-in-two-which-may-lead-to-weeks-of-wild-winter-weather/ar-BB1cujWF?ocid=TSHDHP&li=BBnb7Kz