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A convective weather nowcasting method and device based on multi-source observation data

A technology for observation data and nowcasting, applied in data processing applications, structured data retrieval, database management systems, etc., can solve the problems of inability to forecast convective weather now, convective weather time and spatial range changes, and inability to effectively predict convective weather generation and disappearance Evolution process and other issues to achieve accurate and effective nowcasting effect

Active Publication Date: 2021-04-02
NATIONAL METEOROLOGICAL CENTRE
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Problems solved by technology

Extrapolation forecasting can predict the future direction and trend of storms to a certain extent. However, convective weather changes drastically with time and space. The methods used in existing technologies cannot effectively predict the evolution process of convective weather. effective nowcasting

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  • A convective weather nowcasting method and device based on multi-source observation data
  • A convective weather nowcasting method and device based on multi-source observation data
  • A convective weather nowcasting method and device based on multi-source observation data

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Embodiment Construction

[0032] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0033] figure 1 It is a schematic flow chart of the convective weather nowcasting method based on multi-source observation data in an embodiment of the present invention, as figure 1 As shown, a convective weather nowcasting method based on multi-source observation data provided in an embodiment of the present invention includes the following ste...

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Abstract

Embodiments of the present invention provide a method and device for convective weather nowcasting based on multi-source observation data, the method comprising: acquiring preprocessed multi-source observation data of convective weather; A forecast model is used to obtain the generation and consumption evolution characteristics reflecting the real-time changes of the convective weather with time and space; according to the generation and consumption evolution characteristics and the forecast model, the nowcasting results of the convective weather are obtained. The apparatus performs the method described above. The method and device for convective weather nowcasting based on multi-source observation data provided by the embodiments of the present invention obtains the generation and consumption evolution characteristics of multi-source observation data of convective weather through the forecast model, and based on the generation and consumption evolution characteristics and the forecast model Weather nowcasting can effectively predict the evolution process of convective weather generation and consumption, so that convective weather can be accurately and effectively nowcasted.

Description

technical field [0001] Embodiments of the present invention relate to the technical field of weather forecasting, in particular to a convective weather nowcasting method and device based on multi-source observation data. Background technique [0002] Severe convective weather has the characteristics of strong localization, rapid development, and severe weather phenomena. It is often accompanied by lightning, hail, thunderstorms, strong winds, tornadoes, and heavy rainfall. It is extremely disastrous. However, how to improve its nowcasting level is a major challenge in the field of weather forecasting. [0003] In the domestic weather forecasting business, nowcasting usually refers to the forecast of 0-2 hours in the future. At present, extrapolation forecast based on a single data source, such as radar, satellite, lightning and other real-time data, is the main means of nowcasting. Existing extrapolation forecast algorithms based on weather radar data include TITAN (Thunde...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06Q10/04G06F16/25G06K9/62
CPCG06Q10/04G06F18/214
Inventor 周康辉王婷波
Owner NATIONAL METEOROLOGICAL CENTRE
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