Recent circulation indices
An abrupt start to autumn 2020 is evident in these six charts of various objective LWT circulation indices since the 7th of July 2020. …
An abrupt start to autumn 2020 is evident in these six charts of various objective LWT circulation indices since the 7th of July 2020. …
Equinoctial galesThe implication contained in this term, which is in fairly wide popular use, that GALES are either more frequent or more severe near …
I hadn’t realise until I ran the analysis on the objective LWT data from the CRU just how cyclonic June 2020 had been. It’s …
The latest ECMWF hires model is hinting at a easterly circulation by mid June across the UK, with high pressure predominating over the Norwegian …
It looks like high Keywan, as the BIM have named it, will stick around in the central Atlantic right out till day ten if …
This has to have been been the windiest autumn/winters of the last four across the IONA. There have been fived named storms up until …
This winter so far has a Gale Index of 30.3, the third highest of any winter since 1871, and not too far behind the memorable stormy winter of 2013-14.
June 2019 was the fifth most cyclonic since 1871
This June has already started on a very cyclonic note, and interestingly there are already five June’s from this century already in the top twelve, with June 2012 ranked as second highest.
Looking at the Jenkinson Lamb objective weather data from the CRU at the UEA, I find that May 1896 was the most anticyclonic across …
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