Article

Article title METHOD OF THUNDERSTORM WARNING USING VARIATIONS OF ELECTRIC FIELD AND DATA OF THUNDERSTORM SENSORS NETWORK
Authors A. Kh. Adzhiev, A. S. Boldyreff, V. A. Kuzmin
Section SECTION III. RADIO ENGINEERING AND COMMUNICATION
Month, Year 07, 2018 @en
Index UDC 551.501
DOI 10.23683/2311-3103-2018-7-166-177
Abstract The method of thunderstorm warning alarms using data received from electric field mills network and data of lightning sensors network is presented. The method is capable to establish the criterion of danger to the prevention of risks and damages. The methodology of "two zones" has implemented for warnings of thunderstorms. The size and scale of the zones are selected depending on the efficiency of determining the coordinates of lightning, the accuracy of the localization of the electric field detection system and the target scale. The technology of warning "two zones" is based on the output of the meter of the electric field of the atmosphere and the lightning sensors. The features of the dynamics of changes in the values of the gradient potential of the electric field in the absence of clouds were established. It is shown that in the presence of ground lightning discharges over the zones, the dynamics of changes in the values of the gradient of the potential of the electric field of the atmosphere is significantly transformed. The obtained results showed a good relationship between the data of the lightning network and the measured values of the gradient of the potential of the electric field of the atmosphere, especially for lightning discharges of the cloud-earth type. It is shown that the registration at the earth"s surface of the potential gradient of the electric field of the atmosphere can be judged on the preparedness of the conditions in the cloud for the development of lightning discharges. In particular, if the fixed gradients do not exceed the absolute values from -0.2 to +0.2 kV/m, the lightning is not fixed in the cloud. At gradient values from -0.2 kV/m and less and at +0.2 kV/m and more, cloud lightning discharges should be expected, at their values from-2kV/m and less and at +2kV / m and more ground lightning. With the increase in the absolute values of the gradient of the potential of the electric field of the atmosphere at the beginning there are discharges of negative polarity, with further growth of the gradient at values greater than (less) +3 kV/m (- 3 kV/m) are fixed along with cloud and negative and positive lightning discharges.

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Keywords Thunderstorm; lightning; two-zone method; electric field; lightning sensors network.
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