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Lightning early warning method based on weather satellite data

A technology for lightning early warning and meteorological satellites, which can be used in meteorology, weather forecasting, alarms, etc., and can solve problems such as early warning

Inactive Publication Date: 2019-03-08
卜俊伟
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The existing radar early warning methods all use ground-based meteorological observation data, which is affected by terrain factors and detection range, and cannot provide early warning for plateau and hilly areas, as well as areas other than detection sites.

Method used

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  • Lightning early warning method based on weather satellite data
  • Lightning early warning method based on weather satellite data

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Embodiment 1

[0034] This embodiment provides a lightning early warning method based on meteorological satellite data, such as figure 1 , the lightning warning method based on meteorological satellite data comprises:

[0035] Step 1, processing and processing the meteorological satellite observation data of space-based observation to establish an early warning database, and real-time monitoring of the latitude and longitude coordinates of lightning occurrence and the time of lightning occurrence;

[0036] Step 2. According to the lightning occurrence time, query the satellite observation data at the nearest time to the lightning occurrence time in the early warning database, and then calculate and determine the longitude and latitude coordinates of the meteorological satellite observation point closest to the lightning occurrence point according to the lightning occurrence time of the longitude and latitude coordinates, and define As a reference coordinate point, query the corresponding cloud...

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Abstract

The invention relates to a lightning early warning method based on weather satellite data. The technical problem that the influence is caused by terrain factors and detection ranges is solved. By means of the method, by analyzing and processing meteorological data observed by a satellite and building the relation between the satellite observation data and lightning occurrence, a lightning early warning model based on a satellite observation product is built, by means of lightning real-time monitoring data, the lightning early warning model is inspected, a proper lightning inspection method isbuilt, and the early warning model is subjected to inspection optimization; the problem is well solved, and the method can be used for lightning early warning.

Description

technical field [0001] The invention relates to the field of lightning early warning, in particular to a lightning early warning method based on meteorological satellite data. Background technique [0002] Lightning is a weather phenomenon of transient large current, high voltage, and strong electromagnetic radiation that occurs in the atmosphere. Its occurrence is currently beyond the control and prevention of human beings. It is characterized by high discharge voltage, large current amplitude, and rapid change. , the discharge time is short, and the current waveform has a large steepness. Its physical effects such as strong current, blazing high temperature, violent shock wave, drastically changing electromagnetic field, and strong electromagnetic radiation make it produce huge destructive effects in an instant. Thunder disaster monitoring and early warning is one of the contents of public meteorological forecast and disastrous weather warning. Improving the accuracy of l...

Claims

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Application Information

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IPC IPC(8): G01W1/10G08B21/10
CPCG01W1/10G08B21/10Y02A90/10
Inventor 卜俊伟陈忠明靳小兵张远扬余海蓉张亮张琨
Owner 卜俊伟
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