Recent climatic change and unusual weather in the Northern Hemisphere |
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| Authors: | T Asakura Dr S Ikeda Dr |
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| Institution: | (1) Division of Longrange Weather Forecasting, Japan Meteorological Agency, Chiyodaku Otemachi 1-3-4, 100 Tokyo, Japan |
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| Abstract: | Occurrence frequency of unusual weather caused by anomalous synoptic patterns has its peaks in the middle latitude regions
and the subtropical regions. Height anomaly patterns at the 500 mb level for the last three decades show the expansion of
negative area in the northern hemisphere, resulting in increase of variability in space and time. |
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