Greenland warms nearly 40C as textbook -AO/NAO develops, Cold times ahead for UK!

Steep 5-7 day rises in temperature over Greenland typically heralds a developing -NAO and that’s exactly what we’re seeing now which promises a chilly week dominated by northerly winds over the UK.

Temps have went from -55 to -22 and it’s likely to warm further in the next few days. The reason for warming is the¬†height rises over Greenland and a warming air mass.

We’ve a¬†textbook -AO/NAO this week as heights rise in Greenland, they lower over Western Europe.

CFSv2 1-7 day

Credit: Tropical Tidbits

GFS ensemble 1-5 day

Credit: Tropical Tidbits

GFS ensemble has the toasty Greenland, chilly UK in the 1-5 and 6-10.

Credit: Tropical Tidbits

Credit: Tropical Tidbits

Notice both AO/NAO pulls back towards neutral but then takes another nose dive in early to mid December.

The projected weakening and displacement of the polar vortex could be why.



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