nao index Archives

A Powerful Blocking High takes place this week Killing Precipitation over Most of Europe and allowing Mild Temperature in Most of the Continent. Increasing likelihood for a Freezing Christmas.

December 12, 2021 by Renato R. Colucci

Powerful high pressure system over Europe this week

After the jet stream persisted well into the Mediterranean basin for weeks, the dismantling of the Rossby wave is just taking place. Now the weather … Read more

Double trouble over the North Atlantic – dangerous extratropical storms head for Ireland, UK, and the Faroe Islands with hurricane-force winds tonight through Thursday

March 9, 2021 by Marko Korosec

It’s been a while since there were serious North Atlantic storms ongoing. Today, two deep and rapidly intensifying storms are underway, one is nearing the … Read more

Very warm weekend ahead again, but the NAO index trends suggest it could get colder again into the remainder of April

April 16, 2020 by Marko Korosec

After a short few days period of colder weather, even snow and again damaging morning frosts, warmth has already returned into Europe from the west. … Read more

A very strong upper ridge develops a monster high-pressure system over the North Atlantic – near 1055 mbar in its center on Sunday

March 28, 2020 by Marko Korosec

Contrary to the much above normal activity of North Atlantic troughs and extremely deep surface cyclones over the past few months, the NAO index flips … Read more