What are the uncertainties in climate model projections of polar vortex changes?

Dec 9, 2014 ... We investigate the impact of volcanic aerosol forcing on stratospheric dynamics, including the strength of the NH polar vortex, in ensemble simulations. Mar 9, 2021 ... Polar vortex responsible for Texas deep freeze, warm Arctic temperatures. The US state of Texas endured unseasonably freezing temperatures in ... Dec 23, 2022 ... Vortex-related cold snaps occur regularly around the world. One of the most damaging occurred in February 2021, when the frigid air reached deep ... Mar 5, 2025 ... Polar vortex collapse could bring cold, snow to Columbus in coming weeks ... As tempting as it may be when temperatures are in the 50s and 60s, do ... Mar 6, 2025 ... The average winds around 60°N will become east-to-west, characterizing a sudden stratospheric warming. This disruption to the polar vortex is ... Feb 14, 2025 ... Very cold weather is coming. US about to get 10th and chilliest polar vortex this winter ... The coldest burst of Arctic air this season is coming ... Jan 17, 2025 ... Colorado will be bitter cold but a polar vortex it is not ... Colorado will see its coldest temperatures of the winter as a mass of cold air ... Mar 6, 2025 ... However, sometimes a polar vortex can be disrupted, weakening or even collapsing. When this occurs, winds begin to flow in the opposite ... Feb 3, 2023 ... A term associated with a spell of extremely cold weather and snow that impacted the UK during late February and early March 2018, following a sudden ... Jan 11, 2024 ... The frigid weather system funneling into Colorado comes from the “polar vortex,” a region of cold air and low pressure that's always circulating ...