THE MEDIUM-RANGE OSCILLATION IN PRESSURE OVER THE PACIFIC TROPICAL REGION AND THE RELATIONSHIP BETWEEN LARGE-SCALE CIRCULATION AND GENERATING GROUPS OF TYPHOONS

Wang Jingyi; Zhang Tan

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Article Navigation > Haiyang Xuebao > 1981 > 3(4): 554-562

Wang Jingyi, Zhang Tan. THE MEDIUM-RANGE OSCILLATION IN PRESSURE OVER THE PACIFIC TROPICAL REGION AND THE RELATIONSHIP BETWEEN LARGE-SCALE CIRCULATION AND GENERATING GROUPS OF TYPHOONS[J]. Haiyang Xuebao, 1981, 3(4): 554-562.

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THE MEDIUM-RANGE OSCILLATION IN PRESSURE OVER THE PACIFIC TROPICAL REGION AND THE RELATIONSHIP BETWEEN LARGE-SCALE CIRCULATION AND GENERATING GROUPS OF TYPHOONS

Wang Jingyi¹,
Zhang Tan²

1.
The Marine Forecasting Center of the National Bureau of Oceangraphy, Beijing
2.
Beijing University

Received Date: 1980-04-17

Abstract

Abstract

The synoptic map of the surface and 700mb and satellite cloud pictures over the Pacific tropical region during 1973-1978 is studied in this paper. In this region, there is a medium range oscinanon in pressure similar to that over the middle-high latitude region for a period of about 4-6 weeks.This paper discussis the mediums-range oscillation with large-scale circulation and generation of group of typhoons, thus providing a method of forecast medium-range of typhoons in this region. finally we use a curve of change in pressure index to demonstrate this cycle, in order that the cycle can be seen clearly.

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