Convection development identification method based on networking wind profile radar

A wind profiler radar and identification method technology, which is applied in the field of convection development and identification based on networked wind profiler radar, can solve problems such as lack of prediction methods, heavy precipitation, strong winds and thunderstorms and other disasters, and achieves remarkable progress and practicality. high sex effect

Pending Publication Date: 2022-06-24
江门市新会区气象局(江门市新会区气象台)
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Problems solved by technology

[0002] Severe convective weather is a weather phenomenon caused by strong vertical movement of the atmosphere. It has strong destructive power and is often accompanied by disasters such as heavy precipitation, strong winds and thunderstorms. For example, short-term heavy precipitation and convective strong winds are typical strong convective weather. Weather, weather radar using Doppler and phased array techno

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  • Convection development identification method based on networking wind profile radar
  • Convection development identification method based on networking wind profile radar

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Embodiment 1

[0024] see Figure 1-2 , a method for identifying convection development based on a networked wind profiler radar. The method for identifying convection development based on a networked wind profiler radar includes the following steps:

[0025] S1, wind profiler radar network, first screen the wind profiler radar network, network with four or more wind profiler radars, and use the triangle method to determine the optimal network site;

[0026] S2, calculate the data, then use the finite element method to traverse the triangular network, calculate the layered horizontal divergence and relative vorticity, generate the spatial distribution map of the horizontal divergence at each height layer, and generate the vertical profile of the divergence and vorticity;

[0027] S3, data set construction, the scatter spatial distribution map, scatter and vorticity vertical profile map, wind profile map, and the measured data of rainfall and wind force of the ground meteorological stations w...

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Abstract

The invention provides a convective development identification method based on networking wind profile radars, and relates to the technical field of weather forecast, the convective development identification method based on networking wind profile radars comprises the following steps: S1, networking wind profile radars: firstly screening the wind profile radars for networking, the number of the networking wind profile radars being four or more; according to the method, atmospheric power parameters such as divergence, vorticity, wind shear and vertical speed with higher spatial-temporal resolution can be inverted by utilizing mesoscale net observation of the wind profile radar, atmospheric vertical power change characteristics before convection triggering can be more accurately captured, divergence and vorticity distribution of a real-time three-dimensional space can be obtained, and the real-time vertical power change characteristics can be obtained. According to the method, weather predictors can understand the fine structure of a weather system and quickly find a strong rising motion area, the method is used for short-time nowcasting of heavy rainfall, important reference is provided for severe convection weather monitoring and early warning and short-time nowcasting, practicability is high, and progress is remarkable.

Description

technical field [0001] The invention relates to the technical field of weather forecasting, in particular to a method for identifying convection development based on a networked wind profile radar. Background technique [0002] Strong convective weather is a weather phenomenon caused by the strong vertical movement of the atmosphere. It has strong destructive power and is often accompanied by disasters such as heavy precipitation, strong winds and thunderstorms. For example, short-term heavy precipitation and convective strong winds are typical strong convection. Weather, weather radar using Doppler and phased array technology can effectively monitor it. At present, combined with professional theories and methods, it can analyze the spatial location, moving speed and development trend of storms, as well as the intensity of strong winds or precipitation, etc. There is a lot of valuable weather information, but there is still no effective prediction method for the occurrence a...

Claims

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Application Information

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IPC IPC(8): G01S13/95G01W1/10G06F30/27G06N3/04
CPCG01S13/95G01W1/10G06F30/27G06N3/04Y02A90/10
Inventor 徐浩彬刘显通叶朗明徐碧裕
Owner 江门市新会区气象局(江门市新会区气象台)
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