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Prediction method of convection weather

A forecasting method, weather technology, used in weather condition forecasting, meteorology, measuring devices, etc.

Active Publication Date: 2018-09-25
NATIONAL METEOROLOGICAL CENTRE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] For a long time, the short-term weather forecast of the National Meteorological Center has mainly relied on the artificial production of meteorologists, mainly for the analysis of environmental conditions. The forecast results rely on the subjective judgment of meteorologists, which has certain limitations.

Method used

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  • Prediction method of convection weather

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Embodiment Construction

[0021] Specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are only used to illustrate and explain the present invention, and are not intended to limit the present invention.

[0022] Please refer to figure 1 , figure 1 It is a flow chart of the method for forecasting convective weather provided by the present invention.

[0023] In a specific embodiment, the present invention provides a method for predicting convective weather, comprising the following steps:

[0024] Step S1, according to years of convective weather conditions and physical data to obtain a plurality of representative physical quantities and the threshold value of each said representative physical quantity;

[0025] Step S2, grouping according to the representative meaning of the representative physical quantity; dividing the grouped said representative physical qu...

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Abstract

The invention discloses a prediction method of convection weather. The method comprises steps of according to real conditions and physical data of convection weather of many years, acquiring multiplerepresentation physical quantities and thresholds of the representation physical quantities; according to representation meanings of the representation physical quantities, carrying out grouping; dividing the grouped representation physical quantities into five grades according to the thresholds in a piecewise linearity manner; determining representation physical quantities related to weather phenomena, wherein the weather phenomena are related to the representation physical quantities; comparing the representation physical quantities of actual data with thresholds of the representation physical quantities, if meeting thresholds of all representation physical quantities of a certain weather phenomenon, predicting that the weather phenomenon will occur; and or else, predicting that the weather phenomenon will not occur. The prediction method can be applied to different value weather prediction modes; convection weather can be quite objectively predicted; and broadcasting effects are quite good.

Description

technical field [0001] The present invention relates to the technical field of weather forecasting, in particular to a forecasting method for convective weather. Background technique [0002] Convective weather has the characteristics of strong locality, strong suddenness, small scale, and short life history. According to the impact and destructiveness, although different countries pay attention to different types of strong convective weather, the forecast of severe convective weather is an international problem. [0003] Thunder and lightning, short-term heavy rainfall, convective gale, hail, etc. are all caused by convective weather, and it is very difficult to forecast. For strong convective weather such as short-term heavy precipitation, convective wind and hail in China, the forecast of severe convective weather in the vicinity of 0-2 hours can be solved with the help of extrapolation technology of remote sensing data such as weather early warning radar and meteorologi...

Claims

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Application Information

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IPC IPC(8): G01W1/10
CPCG01W1/10
Inventor 田付友
Owner NATIONAL METEOROLOGICAL CENTRE
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