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Principal component analysis of the lamb catalogue of daily weather types: Part 1, annual frequencies

✍ Scribed by Jones, P. D. ;Kelly, P. M.

Publisher
Wiley (John Wiley & Sons)
Year
1982
Weight
858 KB
Volume
2
Category
Article
ISSN
2314-6214

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✦ Synopsis

Abstract

Principal component analysis is applied to annual weather type frequencies for the British Isles. The results objectively define characteristic relationships between the different types, and are used to determine changes in the atmospheric circulation in the region of the British Isles over the period 1861 to 1980. It is shown that, as far as annual frequencies are concerned, only six (of the 27) weather types are needed to define and monitor changes in the atmospheric circulation.

The component amplitudes are correlated with temperature and rainfall data, and physically reasonable relationships are identified. The analysis is extended to the period 1781 to 1785, and similarities are found between the extremes experienced during that period and during the 1970s.

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Principal component analysis of the Lamb
Principal component analysis of the Lamb Catalogue of Daily Weather Types: Part 2, seasonal frequencies and update to 1987
✍ K. R. Briffa; P. D. Jones; P. M. Kelly 📂 Article 📅 1990 🏛 John Wiley and Sons 🌐 English ⚖ 1008 KB

## Abstract Principal component analysis is applied to seasonal weather‐type frequencies from the Lamb Catalogue of Daily Weather Types for the British Isles. Four combinations of the major weather types are identified, which represent around 70 per cent of the variance of the data set. Long‐term t