Skip to Content

Polar Vortex News and Forecasts

*Stratosphere watch* A double stratospheric warming wave is starting to develop for the next two weeks, which could have implications for late February and Spring weather patterns!

The polar vortex usually reaches its peak strength in late December and early January. As we head further into January and February, the Polar Vortex …

Read More about *Stratosphere watch* A double stratospheric warming wave is starting to develop for the next two weeks, which could have implications for late February and Spring weather patterns!

*10-15 day forecast* A strong Pacific ridge will push into the polar circle, cutting the bottom polar vortex in half, sending cold air into Eastern USA, and opening a temporary window for cooler Europe!

While the stratospheric vortex stays strong, the troposphere tries to play a game of its own, attacking the polar circle with high pressure, creating a …

Read More about *10-15 day forecast* A strong Pacific ridge will push into the polar circle, cutting the bottom polar vortex in half, sending cold air into Eastern USA, and opening a temporary window for cooler Europe!

The stratospheric polar vortex rages, as it reaches its coldest temperature in the past 40 years. It is set to connect down and dominate the weather patterns as it spins at over 600km/h on top!

The polar vortex has been gaining strength and has reached its peak climatological strength. It is set to be connected with the lower levels, pushing …

Read More about The stratospheric polar vortex rages, as it reaches its coldest temperature in the past 40 years. It is set to connect down and dominate the weather patterns as it spins at over 600km/h on top!

*Monthly outlook* The stratospheric polar vortex will survive all attacks and is coming at us with a vengeance! Late December and January are expected to be milder, with only brief cold episodes!

The stratospheric polar vortex is coming at us with a vengeance! It was under a lot of pressure lately and was fighting for its existence. …

Read More about *Monthly outlook* The stratospheric polar vortex will survive all attacks and is coming at us with a vengeance! Late December and January are expected to be milder, with only brief cold episodes!

*Polar vortex cold* The tropospheric core of the polar vortex will meet high pressure from the North Pacific, initiating -30°C air mass transport into the United States next week!

Polar vortex covers a large part of the Northern hemisphere. It starts on the ground, and goes all the way up high into the stratosphere, …

Read More about *Polar vortex cold* The tropospheric core of the polar vortex will meet high pressure from the North Pacific, initiating -30°C air mass transport into the United States next week!

*Weekly outlook* A change in the sub-polar circulation is coming, as the tropospheric polar vortex tries to re-organize. Cold air and snow likely over Europe and the USA!

While the stratospheric polar vortex is getting ready for the strong temperature and pressure dynamics in the coming week, its tropospheric counterpart is trying to …

Read More about *Weekly outlook* A change in the sub-polar circulation is coming, as the tropospheric polar vortex tries to re-organize. Cold air and snow likely over Europe and the USA!

*Stratosphere warming watch UPDATE 20/Nov* A powerful warming phase now to begin in 10 days! Temperature in the stratosphere over Siberia will rise for 40°C in a few days!

A strong new warming phase is getting closer, and is set to begin in 10 days! The final power and the later effects are still …

Read More about *Stratosphere warming watch UPDATE 20/Nov* A powerful warming phase now to begin in 10 days! Temperature in the stratosphere over Siberia will rise for 40°C in a few days!

*Winter 2019/2020* FINAL November model forecast for the upcoming winter! Summary: Polar vortex collapse might be the make or break factor for many this winter!

November model calculations are done, and they are usually regarded as the final forecast for winter. December is already a winter month, so November forecasts …

Read More about *Winter 2019/2020* FINAL November model forecast for the upcoming winter! Summary: Polar vortex collapse might be the make or break factor for many this winter!