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Jet stream

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Winter Forecast 2022/2023 – September Update: Seasonal cooling now begins across the ENSO regions, predicted to continue as we head closer to Winter

New forecast data is now released for Winter 2022/2023. It shows a growing influence of the third-year La Nina phase. It is currently cooling down …

Read More about Winter Forecast 2022/2023 – September Update: Seasonal cooling now begins across the ENSO regions, predicted to continue as we head closer to Winter
polar vortex winter weather seasonal forecast february march cold snow united states spring

The Polar Vortex starts to behave strangely, cooling down to record levels and going into overdrive, shaping the weather as we head for Winter finale

The Polar Vortex is starting to power up unusually in the late Winter Season, reaching record cold levels in the lower stratosphere. This is not …

Read More about The Polar Vortex starts to behave strangely, cooling down to record levels and going into overdrive, shaping the weather as we head for Winter finale
polar vortex weather forecast january february cold winter united states spring

Polar Vortex powers the weather over the United States, but a change in the pattern is coming as we head into February, with a warm-cold wave

A colder Weather pattern, powered by the Polar Vortex, prevails over much of the eastern half of the United States. With the high pressure over …

Read More about Polar Vortex powers the weather over the United States, but a change in the pattern is coming as we head into February, with a warm-cold wave
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A strong North Pacific ridge rises into the Arctic Circle, pushing the jet stream and colder weather deeper across the United States in January 2022

The strong High-Pressure blocking system in the North Pacific is evolving. Its next push will extend it into the Arctic Circle, allowing the polar jet …

Read More about A strong North Pacific ridge rises into the Arctic Circle, pushing the jet stream and colder weather deeper across the United States in January 2022
stratospheric warming polar vortex cold season forecast united states europe

Unusually early Stratospheric Warming event is starting, with more to follow, having a yet unknown effect on the Polar Vortex this upcoming cold season

The Polar Vortex has just returned for the cold season 2021/2022, yet it is already facing its first stratospheric warming event. An unusually early warming …

Read More about Unusually early Stratospheric Warming event is starting, with more to follow, having a yet unknown effect on the Polar Vortex this upcoming cold season
arctic ocean sea ice melt season 2021

The Arctic Ocean nears ice-free conditions in the West Siberian region, while a new weather pattern in August can push the sea ice below last years levels

July has featured very heavy melting of the Arctic sea ice in the Siberian regions. In the western parts, the Laptev Sea will be ice-free …

Read More about The Arctic Ocean nears ice-free conditions in the West Siberian region, while a new weather pattern in August can push the sea ice below last years levels
arctic sea ice maximum 2021 melt season

Arctic Sea Ice reaches its maximum extent, but now the melt season is starting and we could face a strong one, based on the latest forecasts

Arctic sea ice has reached its maximum extent in March. The ice melt season will now begin, and it has the potential to be a …

Read More about Arctic Sea Ice reaches its maximum extent, but now the melt season is starting and we could face a strong one, based on the latest forecasts