A Method of Assimilating Ground-to-Ground Lightning Conversion to Proxy Radar Echoes for Severe Convective Weather Forecast
A technology of weather forecasting and radar echo, which is applied in the field of communication, can solve the problems of the application limitation of four-dimensional variational data assimilation, the huge amount of calculation of the objective function gradient, etc., and achieve the effect of improving nowcasting
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[0032] Below in conjunction with specific implementation mode, the method for assimilating ground-to-ground lightning conversion proxy radar echo of the present invention for strong convective weather forecast is further described:
[0033] See attached figure 1 As shown, the embodiment of the present invention provides a method for assimilating ground-to-ground lightning conversion proxy radar echo for strong convective weather forecast, including the following steps:
[0034] Step S1: Acquiring ground lightning data;
[0035] Step S2: processing the ground lightning data and performing quality control on it;
[0036] Step S3: converting the ground lightning data into a three-dimensional proxy echo;
[0037] Step S4: Assimilate the proxy echo into the 3D variational system to realize the data assimilation of ground lightning data.
[0038] In the present embodiment, the step of obtaining ground lightning data data in the step S1 is:
[0039] Step S11: Select the moment wh...
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