Mid January Polar Vortex 2025. Polar Vortex 2025 Canada Richard F. Brown For the GEFSv12 forecast issued on 18 December 2024, the winds at 60 degrees North (the mean location of the polar vortex) are forecast to remain stronger than normal for at least the next 2 weeks (bold red line) Montana, Wyoming, and Dakotas will be 25 to 40 °F below normal for mid-January.
First polar vortex of 2025 will bring dangerously frosty temperatures from news.yahoo.com
Discussion: Stratospheric warming across Eurasia triggers a polar vortex across Northwest Russia later next week.The PV pattern is not particularly intense, and not all models agree on this scenario For the GEFSv12 forecast issued on 18 December 2024, the winds at 60 degrees North (the mean location of the polar vortex) are forecast to remain stronger than normal for at least the next 2 weeks (bold red line)
First polar vortex of 2025 will bring dangerously frosty temperatures
Published January 19, 2025 11:35am EST Updated January 21, 2025 7:38am EST Prolonged polar vortex grips much of US with brutal life-threatening wind chills likely in Midwest Life-threatening wind chills of -30 to -55 degrees are expected across the Rockies, northern Plains and Upper Midwest. Published January 19, 2025 11:35am EST Updated January 21, 2025 7:38am EST Prolonged polar vortex grips much of US with brutal life-threatening wind chills likely in Midwest Life-threatening wind chills of -30 to -55 degrees are expected across the Rockies, northern Plains and Upper Midwest. But the forecast now indicates an interesting core movement of the Polar Vortex in the stratosphere, likely to initiate another deep cold event around mid-month over the United States and Canada
Cooking up a stratospheric polar vortex disruption NOAA Climate.gov. By mid-January, the forecasted strength of the polar stratospheric winds becomes very uncertain (light red lines). But the forecast now indicates an interesting core movement of the Polar Vortex in the stratosphere, likely to initiate another deep cold event around mid-month over the United States and Canada
MidJanuary polar vortex will bring blast of cold and snow CBS News. Yes, but: When these strong winds slacken, parts of the polar vortex can detach and meander southward, bringing ultra-cold air to southern Canada, the U.S A powerful Arctic outbreak tied in part to the polar vortex is set to send temperatures by next week tumbling down to as cold as 25 to 35 degrees Fahrenheit below average for mid-January, forecasts show