A weather forecast method, device, computer equipment and storage medium

A technology for weather forecasting and forecasting time, which is applied in the field of computer equipment, storage media, devices, and weather forecasting methods. It can solve problems such as low accuracy, regular correction of formulas, and huge demand for computing resources, and achieve the effect of reducing time and cost.

Active Publication Date: 2022-07-05
北京墨迹风云科技股份有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] The first model correction method relies on a large amount of data analysis and manual experience with low accuracy, and the formula generated by the model needs to be revised regularly;
[0009] The second machine learning method requires a large amount of historical data support, resulting in a huge demand for computing resources for the model;
[0010] The above constraints make it impossible to quickly and efficiently complete the correction of high-resolution meteorological data at the grid level

Method used

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  • A weather forecast method, device, computer equipment and storage medium
  • A weather forecast method, device, computer equipment and storage medium
  • A weather forecast method, device, computer equipment and storage medium

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0126] like Figure 5 As shown, by using the three-year EC data in 2017, 2018, and 2019, the temperature of more than 2,000 observation stations in China is corrected, and it is found that using different amounts of altitude data around the station will lead to different accuracy rates.

[0127] Select the temperature accuracy change within 2 degrees for 6 months in 2019;

[0128] 12p is the training accuracy rate of the 12-point model around the site;

[0129] 4p is the training accuracy rate of the model at the nearest 4 points around the site;

[0130] 4pi is the training accuracy of the model after the interpolation of the nearest 4 points around the site.

[0131] Geographic information should have an impact on local weather phenomena, so topographic and landform information was added for model training, and it was found that the accuracy and stability were further improved.

[0132] like Image 6 As shown in the figure, the change of weather should be the result of t...

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Abstract

The invention discloses a weather forecast method, device, computer equipment and storage medium, and belongs to the technical field of weather forecasting. According to the predicted longitude and latitude, the corresponding topographic and topographic features are searched; the data is sampled according to the data distribution as the training data set of the model; feature variables; use a parameter search tool to perform model hyperparameter search on the feature variables to obtain optimal hyperparameters; perform model training according to the optimal hyperparameters and the training data set to obtain a prediction model; receive real-time weather forecast messages As prediction data; using the prediction model and the prediction data, weather forecast prediction is performed.

Description

technical field [0001] The present invention relates to the field of weather forecasting, in particular to a weather forecasting method, device, computer equipment and storage medium. Background technique [0002] Meteorological model revision refers to the process of revising existing medium and long-term weather forecast data by mining the patterns and laws in historical observation data. [0003] There are two main ways to correct the current weather model: [0004] 1) Correction using ANO method [0005] ANO (Integral Correction of Model Anomalies Based on Historical Data) corrects meteorological data by taking into account the characteristics of atmospheric physical motion and using numerical methods to approximate solutions. Comprehensively consider the internal dynamics of atmospheric motion, process constraints, surface (sea surface) dynamics, thermal processes and solar radiation and other external forcing effects, and use historical observation data and the idea ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01W1/10
CPCY02A90/10
Inventor 邵可佳王怡黄耀海
Owner 北京墨迹风云科技股份有限公司
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