Method for predicting typhoons and heavy rains in southern China based on low frequency flow field map

A forecasting method and technology in South China, applied in the field of typhoon and rainstorm forecasting, can solve the problems of typhoon and rainstorm forecasting

Inactive Publication Date: 2019-05-07
深圳市六韬天气科技有限公司 +2
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Problems solved by technology

[0009] This application proposes a typhoon and rainstorm prediction method in South China based on low-frequency flow field maps to solve the problem that typhoons and rainstorms cannot be predicted based on low-frequency weather maps in the prior art

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  • Method for predicting typhoons and heavy rains in southern China based on low frequency flow field map
  • Method for predicting typhoons and heavy rains in southern China based on low frequency flow field map
  • Method for predicting typhoons and heavy rains in southern China based on low frequency flow field map

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Embodiment Construction

[0033] see figure 1 and figure 2 , figure 1 It is a schematic flow chart of an embodiment of the typhoon and heavy rain prediction method in South China based on the low-frequency flow field diagram of the present application, figure 2 yes figure 1 Diagram of the predictive model for the illustrated example.

[0034] The method for predicting typhoons and rainstorms in South China based on the low-frequency flow field map of the present embodiment includes the following steps:

[0035] S11: Determine the key areas related to typhoons and heavy rains in South China on the low-frequency flow field map.

[0036] Among them, the steps of determining key areas related to typhoons and heavy rains in South China on the low-frequency flow field map specifically include:

[0037] Obtain the low-frequency flow field diagram of the preset historical interval period;

[0038] On the premise of not destroying the integrity of the low-frequency cyclone C and the low-frequency anticy...

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Abstract

The application discloses a method for predicting typhoons and heavy rains in southern China based on low frequency flow field map for predicting the typhoons and heavy rains in southern China 10-30 days in advance. The predicting method comprises the following steps of: determining critical areas related to typhoons and heavy rains in southern China on the low frequency flow field map; analyzinglow frequency system characteristics related to typhoons and heavy rains of the southern China in the critical areas; and establishing a prediction model based on the characteristics of the low frequency system. The application can predict the typhoons and heavy rains in southern China 30 days in advance.

Description

technical field [0001] This application relates to the technical field of typhoon and rainstorm forecasting, in particular to a method for forecasting typhoons and rainstorms in South China based on low-frequency flow field maps. Background technique [0002] During the 1980s and 1990s, domestic meteorologists did a lot of research on the propagation, entity, mechanism, and characteristics of atmospheric low-frequency oscillations, and their connection with ENSO and monsoons. Low-frequency oscillation is an important component of atmospheric circulation. It exists not only in the tropics, but also in the middle and high latitudes, and it is global. [0003] In recent years, numerical forecasting technology has made great progress, which is an important technical support for improving the accuracy and timeliness of operational weather forecasting. The development of mesoscale numerical weather prediction models in limited areas has significantly improved the accuracy of shor...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01W1/10
Inventor 孙国武何金海
Owner 深圳市六韬天气科技有限公司
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