CN110618474A - Lightning monitoring and early warning method and system based on multi-source data - Google Patents
Lightning monitoring and early warning method and system based on multi-source data Download PDFInfo
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Abstract
A lightning monitoring and early warning method and system based on multi-source data are disclosed. The method can comprise the following steps: acquiring lightning early warning basic information; setting a lightning early warning level, and determining early warning information according to the lightning early warning basic information; issuing early warning information; the lightning early warning basic information comprises radar data, real-time lightning data and electric field data. The invention carries out comprehensive lightning early warning through various monitoring data of radar data, lightning positioning data and atmospheric electric field data, effectively, pertinently and accurately improves the lightning monitoring and early warning of a target area, and provides technical support service for weather safety production and operation of inflammable and explosive places and super high-rise buildings which are sensitive to lightning.
Description
Technical Field
The invention relates to the field of lightning proximity early warning, in particular to a lightning monitoring early warning method and system based on multi-source data.
Background
Lightning is a discharge phenomenon accompanied by lightning and thunder, and the condition for generating lightning is that the thundercloud accumulates and forms polarity, so that the lightning is often accompanied by strong gust wind and rainstorm, and sometimes also accompanied by hail and tornado. The top of the rain-accumulating cloud is generally higher and can reach 20 kilometers, ice crystals are usually arranged on the upper part of the cloud, and ice crystal adherence, water drop breaking, air convection and other processes generate electric charges in the cloud. The distribution of charges in the cloud is complex, the upper part of the cloud is mainly positive charges, and the lower part of the cloud is mainly negative charges, so that a potential difference is formed between the upper part and the lower part of the cloud. When the potential difference reaches a certain level, discharge occurs, which is a lightning phenomenon. During the discharge process, due to the sudden temperature increase in the lightning channel, the volume of air is rapidly expanded, so that shock waves are generated, and strong thunderstorm is caused.
As strong convection weather, the method is indispensable to early warning of thunder, but at present, no targeted early warning method exists for flammable and explosive places and super high-rise buildings, the accuracy of the existing method is not high, and lightning stroke risks exist in the super high-rise buildings. Therefore, there is a need to develop a lightning monitoring and early warning method and system based on multi-source data for flammable and explosive places and super high-rise buildings.
The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person skilled in the art.
Disclosure of Invention
The invention provides a lightning monitoring and early warning method and system based on multi-source data, which can carry out comprehensive lightning early warning through various monitoring data of radar data, lightning positioning data and atmospheric electric field data, effectively, pertinently and accurately improve the lightning monitoring and early warning of a target area, and provide technical support service for weather safety production and operation of inflammable and explosive places and super high-rise buildings sensitive to lightning.
According to one aspect of the invention, a lightning monitoring and early warning method based on multi-source data is provided. The method may include: acquiring lightning early warning basic information; setting a lightning early warning level, and determining early warning information according to the lightning early warning basic information; releasing the early warning information; the lightning early warning basic information comprises radar data, real-time lightning data and electric field data.
Preferably, the early warning information is determined according to the lightning early warning level, the radar data and the electric field data.
Preferably, the early warning information is determined according to the lightning early warning level, the radar data and the real-time lightning data.
Preferably, the early warning information includes early warning issuing information and early warning releasing information.
Preferably, when the lightning early warning basic information reaches the lightning early warning level, the lightning early warning level is taken as the early warning release information.
Preferably, when the lightning early warning basic information reaches an early warning removing condition, the following steps are carried out: step 1: judging whether a next lightning early warning level exists, if not, issuing early warning removing information, and if so, entering the step 2; step 2: and judging whether the lightning early warning basic information reaches the next lightning early warning level, if so, taking the next lightning early warning level as the early warning release information, otherwise, repeating the step 1-2, and releasing the early warning release information until judging that the last equal lightning early warning level is not.
Preferably, the early warning information layout is drawn according to the judgment lines of the early warning release information and the early warning release information.
Preferably, the method further comprises the following steps: and calculating the lightning occurrence probability according to the lightning early warning basic information.
Preferably, the calculating the lightning occurrence probability according to the lightning early warning basic information includes: acquiring multiple groups of lightning early warning basic information and establishing a lightning early warning matrix; and taking the two-norm value of the lightning early warning matrix as the lightning occurrence probability.
According to another aspect of the invention, a lightning monitoring and early warning system based on multi-source data is provided, which is characterized by comprising: the lightning information processing platform acquires lightning early warning basic information and transmits the lightning early warning basic information to the lightning information early warning platform; the lightning information early warning platform is used for setting a lightning early warning grade, determining early warning information according to the lightning early warning basic information and transmitting the early warning information to the lightning information release platform; the lightning information issuing platform issues the early warning information; the lightning early warning basic information comprises radar data, real-time lightning data and electric field data.
Preferably, the early warning information is determined according to the lightning early warning level, the radar data and the electric field data.
Preferably, the early warning information is determined according to the lightning early warning level, the radar data and the real-time lightning data.
Preferably, the early warning information includes early warning issuing information and early warning releasing information.
Preferably, when the lightning early warning basic information reaches the lightning early warning level, the lightning early warning level is taken as the early warning release information.
Preferably, when the lightning early warning basic information reaches an early warning removing condition, the following steps are carried out: step 1: judging whether a next lightning early warning level exists, if not, issuing early warning removing information, and if so, entering the step 2; step 2: and judging whether the lightning early warning basic information reaches the next lightning early warning level, if so, taking the next lightning early warning level as the early warning release information, otherwise, repeating the step 1-2, and releasing the early warning release information until judging that the last equal lightning early warning level is not.
Preferably, the early warning information layout is drawn according to the judgment lines of the early warning release information and the early warning release information.
Preferably, the method further comprises the following steps: and calculating the lightning occurrence probability according to the lightning early warning basic information.
Preferably, the calculating the lightning occurrence probability according to the lightning early warning basic information includes: acquiring multiple groups of lightning early warning basic information and establishing a lightning early warning matrix; and taking the two-norm value of the lightning early warning matrix as the lightning occurrence probability.
The method and apparatus of the present invention have other features and advantages which will be apparent from or are set forth in detail in the accompanying drawings and the following detailed description, which are incorporated herein, and which together serve to explain certain principles of the invention.
Drawings
The above and other objects, features and advantages of the present invention will become more apparent by describing in more detail exemplary embodiments thereof with reference to the attached drawings, in which like reference numerals generally represent like parts.
FIG. 1 shows a flow chart of steps of a lightning monitoring and warning method based on multi-source data according to the invention.
Fig. 2 is a schematic diagram showing an early warning information layout according to application example 1 of the present invention.
Fig. 3 is a schematic diagram showing an early warning information layout according to application example 2 of the present invention.
FIG. 4 shows a schematic diagram of a lightning monitoring and forewarning system based on multi-source data according to one embodiment of the invention.
Description of reference numerals:
1. a lightning information processing platform; 2. a lightning information early warning platform; 3. and a lightning information release platform.
Detailed Description
The invention will be described in more detail below with reference to the accompanying drawings. While the preferred embodiments of the present invention are shown in the drawings, it should be understood that the present invention may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.
FIG. 1 shows a flow chart of steps of a lightning monitoring and warning method based on multi-source data according to the invention.
In this embodiment, the lightning monitoring and early warning method based on multi-source data according to the present invention may include: step 101, acquiring lightning early warning basic information; 102, setting lightning early warning levels, and determining early warning information according to lightning early warning basic information; 103, issuing early warning information; the lightning early warning basic information comprises radar data, real-time lightning data and electric field data.
In one example, the early warning information is determined from the lightning early warning level, the radar data, and the electric field data.
In one example, the early warning information is determined from the lightning early warning level, the radar data, and the real-time lightning data.
In one example, the warning information includes warning issue information and warning release information.
In one example, when the lightning early warning basic information reaches the lightning early warning level, the lightning early warning level is taken as early warning release information.
In one example, when the lightning early warning basic information reaches the early warning removing condition, the following steps are carried out: step 1: judging whether the next lightning early warning level exists or not, if not, issuing early warning removal information, and if so, entering the step 2; step 2: and judging whether the lightning early warning basic information reaches the next lightning early warning level, if so, taking the next lightning early warning level as early warning release information, otherwise, repeating the step 1-2, and releasing early warning release information until judging that the last equal lightning early warning level is not.
In one example, the early warning information layout is drawn according to the judgment lines of the early warning release information and the early warning release information.
In one example, further comprising: and calculating the lightning occurrence probability according to the lightning early warning basic information.
In one example, calculating the lightning occurrence probability from the lightning early warning basis information includes: acquiring multiple groups of lightning early warning basic information and establishing a lightning early warning matrix; and taking the two-norm value of the lightning early warning matrix as the lightning occurrence probability.
Specifically, the lightning monitoring and early warning method based on multi-source data according to the invention may include:
acquiring lightning early warning basic information, wherein the lightning early warning basic information comprises radar data, real-time lightning data and electric field data, the real-time lightning data comprises lightning real-time occurrence points (divided into positive and negative flashes) within a range of 20 kilometers of a target, the position, the distance and the strength of a lightning stroke closest to the target are displayed, and the range of the electric field data is 20 kilometers.
Calculating the lightning occurrence probability according to the lightning early warning basic information, acquiring multiple groups of lightning early warning basic information, and establishing a lightning early warning matrix as follows:
wherein X is a lightning early warning matrix, A is radar reflectivity intensity, B is electric field mutation number, C is echo top height, D is liquid water content, E is 0 ℃ layer height, and F is-10 ℃ height; and taking the two-norm value of the lightning early warning matrix as the lightning occurrence probability.
The method comprises the steps of setting lightning early warning levels, determining early warning information according to lightning early warning basic information and the lightning early warning levels, determining early warning information according to the lightning early warning levels, radar data and electric field data, and determining early warning information according to the lightning early warning levels, the radar data and real-time lightning data, wherein the early warning information comprises corresponding lightning early warning levels and corresponding emergency action prompts.
The early warning information comprises early warning release information and early warning release information:
and when the lightning early warning basic information reaches the lightning early warning level, releasing the early warning releasing information by taking the lightning early warning level as the early warning releasing information.
When the lightning early warning basic information reaches the early warning removing condition, the following steps are carried out: step 1: judging whether the next lightning early warning level exists or not, if not, issuing early warning removal information, and if so, entering the step 2; step 2: and judging whether the lightning early warning basic information reaches the next lightning early warning level, if so, taking the next lightning early warning level as early warning release information, otherwise, repeating the step 1-2, and releasing early warning release information until judging that the last equal lightning early warning level is not.
According to the judgment circuit of the early warning release information and the early warning release information, the early warning information layout is drawn, and direct judgment can be carried out according to the basic information of the lightning early warning.
According to the method, comprehensive lightning early warning is carried out through various monitoring data of radar data, lightning positioning data and atmospheric electric field data, the lightning monitoring early warning of a target area is effectively, pertinently and accurately improved, and technical support services are provided for weather safety production and operation of inflammable and explosive places and super high-rise buildings sensitive to lightning.
To facilitate understanding of the aspects of the embodiments of the present invention and their effects, two specific application examples are given below. It will be understood by those skilled in the art that this example is merely for the purpose of facilitating an understanding of the present invention and that any specific details thereof are not intended to limit the invention in any way.
Application example 1
The lightning monitoring and early warning method based on the multi-source data comprises the following steps:
acquiring lightning early warning basic information, wherein the lightning early warning basic information comprises radar data, real-time lightning data and electric field data, the real-time lightning data comprises lightning real-time occurrence points (divided into positive and negative flashes) within a range of 20 kilometers of a target, the position, the distance and the strength of a lightning stroke closest to the target are displayed, and the range of the electric field data is 20 kilometers.
Acquiring multiple groups of lightning early warning basic information, and establishing a lightning early warning matrix as a formula (1); and taking the two-norm value of the lightning early warning matrix as the lightning occurrence probability.
And setting a lightning early warning level, determining early warning information according to the lightning early warning basic information and the lightning early warning level, and determining early warning information according to the lightning early warning level, radar data and electric field data, wherein the early warning information comprises the corresponding lightning early warning level and corresponding emergency action prompt.
The lightning early warning level is respectively red early warning, orange early warning and yellow early warning from high to low.
And (3) red early warning release: within the range of 0-10km, the electric field mutation is more than or equal to 6 times, or the radar intensity within 10km is more than or equal to 50dBz, and then lightning red risk early warning is issued;
orange early warning release: within the range of 10-15km, the electric field mutation is more than or equal to 3 times, or the radar intensity within 15km is 40-50dBz, and then the thunder orange risk early warning is issued;
yellow early warning release: and in the range of 15-20km, the electric field mutation is more than or equal to 2 times, or the radar intensity within 20km is 30-40dBz, and then lightning yellow risk early warning is issued.
And (4) red early warning removal: the radar intensity in the range of 10km of two radar maps with the nearest time distance is less than 40dBz, no lightning occurs in the range of 10km within 15min, and the electric field does not change suddenly.
Orange early warning is relieved: the radar intensity in the range of 10km of two radar maps with the nearest time distance is less than 40dBz, no lightning occurs in the range of 10-15km within 15min, and the electric field does not change suddenly.
Yellow early warning is relieved: the radar intensity in the range of 10km of two radar maps with the nearest time distance is less than 30dBz, no lightning occurs in the range of 15-20km within 15min, and the electric field does not change suddenly.
When the lightning early warning basic information reaches the early warning removing condition, the following steps are carried out: step 1: judging whether the next lightning early warning level exists or not, if not, issuing early warning removal information, and if so, entering the step 2; step 2: and judging whether the lightning early warning basic information reaches the next lightning early warning level, if so, taking the next lightning early warning level as early warning release information, otherwise, repeating the step 1-2, and releasing early warning release information until judging that the last equal lightning early warning level is not.
Fig. 2 is a schematic diagram showing an early warning information layout according to application example 1 of the present invention.
And drawing an early warning information layout according to the judgment lines of the early warning release information and the early warning release information, and directly judging according to the lightning early warning basic information as shown in fig. 2.
Application example 2
The lightning monitoring and early warning method based on the multi-source data comprises the following steps:
acquiring lightning early warning basic information, wherein the lightning early warning basic information comprises radar data, real-time lightning data and electric field data, the real-time lightning data comprises lightning real-time occurrence points (divided into positive and negative flashes) within a range of 20 kilometers of a target, the position, the distance and the strength of a lightning stroke closest to the target are displayed, and the range of the electric field data is 20 kilometers.
Acquiring multiple groups of lightning early warning basic information, and establishing a lightning early warning matrix as a formula (1); and taking the two-norm value of the lightning early warning matrix as the lightning occurrence probability.
And setting a lightning early warning level, determining early warning information according to the lightning early warning basic information and the lightning early warning level, and determining early warning information according to the lightning early warning level, radar data and real-time lightning data, wherein the early warning information comprises the corresponding lightning early warning level and corresponding emergency action prompt.
The lightning early warning level is respectively red early warning, orange early warning and yellow early warning from high to low.
And (3) red early warning release: within the range of 0-10km, lightning strokes are more than or equal to 6, or the radar intensity within 10km is more than or equal to 50dBz, and then lightning red risk early warning is issued;
orange early warning release: if the lightning stroke is more than or equal to 3 within the range of 10-15km or the radar intensity is 40-50dBz within 15km, issuing thunder orange risk early warning;
yellow early warning release: and (3) within the range of 15-20km, lightning stroke is more than or equal to 2, or the radar intensity within 20km is 30-40dBz, and then lightning yellow risk early warning is issued.
And (4) red early warning removal: the radar intensity in the range of 10km of two radar maps with the nearest time distance is less than 40dBz, and no lightning occurs in the range of 10km within 15 min.
Orange early warning is relieved: the radar intensity in the range of 10km of two radar maps with the nearest time distance is less than 40dBz, and no lightning occurs in the range of 10-15km within 15 min.
Yellow early warning is relieved: the radar intensity in the range of 10km of two radar maps with the nearest time distance is less than 30dBz, and no lightning occurs in the range of 15-20km within 15 min.
When the lightning early warning basic information reaches the early warning removing condition, the following steps are carried out: step 1: judging whether the next lightning early warning level exists or not, if not, issuing early warning removal information, and if so, entering the step 2; step 2: and judging whether the lightning early warning basic information reaches the next lightning early warning level, if so, taking the next lightning early warning level as early warning release information, otherwise, repeating the step 1-2, and releasing early warning release information until judging that the last equal lightning early warning level is not.
Fig. 3 is a schematic diagram showing an early warning information layout according to application example 2 of the present invention.
And drawing an early warning information layout according to the judgment lines of the early warning release information and the early warning release information, and directly judging according to the lightning early warning basic information as shown in fig. 3.
In conclusion, the comprehensive lightning early warning is carried out through various monitoring data of radar data, lightning positioning data and atmospheric electric field data, the lightning monitoring early warning of a target area is effectively, pertinently and accurately improved, and technical support services are provided for weather safety production and operation of inflammable and explosive places and super high-rise buildings which are sensitive to lightning.
It will be appreciated by persons skilled in the art that the above description of embodiments of the invention is intended only to illustrate the benefits of embodiments of the invention and is not intended to limit embodiments of the invention to any examples given.
FIG. 4 shows a schematic diagram of a lightning monitoring and forewarning system based on multi-source data according to one embodiment of the invention.
According to the embodiment of the invention, the lightning monitoring and early warning system based on multi-source data is provided, and is characterized by comprising the following components: the lightning information processing platform 1 acquires lightning early warning basic information and transmits the lightning early warning basic information to the lightning information early warning platform 2; the lightning information early warning platform 2 is used for setting a lightning early warning grade, determining early warning information according to lightning early warning basic information and transmitting the early warning information to the lightning information publishing platform 3; the lightning information release platform 3 is used for releasing early warning information; the lightning early warning basic information comprises radar data, real-time lightning data and electric field data.
In one example, the early warning information is determined from the lightning early warning level, the radar data, and the electric field data.
In one example, the early warning information is determined from the lightning early warning level, the radar data, and the real-time lightning data.
In one example, the warning information includes warning issue information and warning release information.
In one example, when the lightning early warning basic information reaches the lightning early warning level, the lightning early warning level is taken as early warning release information.
In one example, when the lightning early warning basic information reaches the early warning removing condition, the following steps are carried out: step 1: judging whether the next lightning early warning level exists or not, if not, issuing early warning removal information, and if so, entering the step 2; step 2: and judging whether the lightning early warning basic information reaches the next lightning early warning level, if so, taking the next lightning early warning level as early warning release information, otherwise, repeating the step 1-2, and releasing early warning release information until judging that the last equal lightning early warning level is not.
In one example, the early warning information layout is drawn according to the judgment lines of the early warning release information and the early warning release information.
In one example, further comprising: and calculating the lightning occurrence probability according to the lightning early warning basic information.
In one example, calculating the lightning occurrence probability from the lightning early warning basis information includes: acquiring multiple groups of lightning early warning basic information and establishing a lightning early warning matrix; and taking the two-norm value of the lightning early warning matrix as the lightning occurrence probability.
Specifically, lightning monitoring and early warning system based on multisource data includes:
the lightning information processing platform 1 comprises a radar base data original database, a real-time lightning data database and an electric field database, and the radar data, the real-time lightning data and the electric field data are respectively obtained and transmitted to the lightning information early warning platform 2.
Acquiring multiple groups of lightning early warning basic information, and establishing a lightning early warning matrix as a formula (1); and taking the two-norm value of the lightning early warning matrix as the lightning occurrence probability.
Thunder and lightning information early warning platform 2 sets for thunder and lightning early warning grade, according to thunder and lightning early warning basic information, confirms early warning information, can confirm early warning information according to thunder and lightning early warning grade, radar data and electric field data, also can confirm early warning information according to thunder and lightning early warning grade, radar data and real-time lightning data.
The early warning information comprises early warning release information and early warning release information:
and when the lightning early warning basic information reaches the lightning early warning level, releasing the early warning releasing information by taking the lightning early warning level as the early warning releasing information.
When the lightning early warning basic information reaches the early warning removing condition, the following steps are carried out: step 1: judging whether the next lightning early warning level exists or not, if not, issuing early warning removal information, and if so, entering the step 2; step 2: and judging whether the lightning early warning basic information reaches the next lightning early warning level, if so, taking the next lightning early warning level as early warning release information, otherwise, repeating the step 1-2, and releasing early warning release information until judging that the last equal lightning early warning level is not.
According to the judgment circuit of the early warning release information and the early warning release information, the early warning information layout is drawn, and direct judgment can be carried out according to the basic information of the lightning early warning.
And the lightning information issuing platform 3 issues early warning information.
The system carries out comprehensive lightning early warning through various monitoring data of radar data, lightning positioning data and atmospheric electric field data, effectively, pertinently and high-accuracy lightning monitoring and early warning of an improvement target area, and provides technical support service for meteorological safe production and operation of inflammable and explosive places sensitive to lightning and super high-rise buildings.
It will be appreciated by persons skilled in the art that the above description of embodiments of the invention is intended only to illustrate the benefits of embodiments of the invention and is not intended to limit embodiments of the invention to any examples given.
Having described embodiments of the present invention, the foregoing description is intended to be exemplary, not exhaustive, and not limited to the embodiments disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments.
Claims (10)
1. A lightning monitoring and early warning method based on multi-source data is characterized by comprising the following steps:
acquiring lightning early warning basic information;
setting a lightning early warning level, and determining early warning information according to the lightning early warning basic information;
releasing the early warning information;
the lightning early warning basic information comprises radar data, real-time lightning data and electric field data.
2. The multi-source data-based lightning monitoring and warning method of claim 1, wherein the warning information is determined according to the lightning warning level, the radar data and the electric field data.
3. The multi-source data-based lightning monitoring and early warning method of claim 1, wherein the early warning information is determined according to the lightning early warning level, the radar data and the real-time lightning data.
4. The multi-source data-based lightning monitoring and early warning method according to claim 1, wherein the early warning information comprises early warning issuing information and early warning removing information.
5. The multi-source data-based lightning monitoring and early warning method according to claim 4, wherein when the lightning early warning basic information reaches the lightning early warning level, the lightning early warning level is taken as the early warning release information.
6. The lightning monitoring and early warning method based on multi-source data according to claim 5, wherein when the lightning early warning basic information reaches an early warning removing condition, the following steps are carried out:
step 1: judging whether a next lightning early warning level exists, if not, issuing early warning removing information, and if so, entering the step 2;
step 2: and judging whether the lightning early warning basic information reaches the next lightning early warning level, if so, taking the next lightning early warning level as the early warning release information, otherwise, repeating the step 1-2, and releasing the early warning release information until judging that the last equal lightning early warning level is not.
7. The lightning monitoring and early warning method based on multi-source data according to claim 6, wherein an early warning information layout is drawn according to judgment lines of the early warning release information and the early warning release information.
8. The lightning monitoring and early warning method based on multi-source data according to claim 1, further comprising:
and calculating the lightning occurrence probability according to the lightning early warning basic information.
9. The multi-source data-based lightning monitoring and early warning method of claim 8, wherein calculating the lightning occurrence probability according to the lightning early warning basic information comprises:
acquiring multiple groups of lightning early warning basic information and establishing a lightning early warning matrix;
and taking the two-norm value of the lightning early warning matrix as the lightning occurrence probability.
10. The utility model provides a thunder and lightning monitoring and early warning system based on multisource data which characterized in that, this system includes:
the lightning information processing platform acquires lightning early warning basic information and transmits the lightning early warning basic information to the lightning information early warning platform;
the lightning information early warning platform is used for setting a lightning early warning grade, determining early warning information according to the lightning early warning basic information and transmitting the early warning information to the lightning information release platform;
the lightning information issuing platform issues the early warning information;
the lightning early warning basic information comprises radar data, real-time lightning data and electric field data.
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| CN111987691A (en) * | 2020-08-06 | 2020-11-24 | 珠海格力电器股份有限公司 | Equipment power-off protection method based on thunderstorm early warning, storage medium and electronic equipment |
| CN113466570A (en) * | 2021-07-26 | 2021-10-01 | 厦门大恒科技有限公司 | Lightning early warning method and lightning early warning device |
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