ISSN 1000-0526
CN 11-2282/P
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Archive > Volume 34 Issue 1 > 2008,34(1):27-34. DOI:10.7519/j.issn.1000-0526.2008.01.004 Prev Next

The Application of FY-2 Satellite Products to Jinan Severe Heavy Rain Nowcasting on 18 July 2007

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    Abstract:
    With the conventional and intensive observation data and FY-2 satellite products, the mesoscale convective systems (MCSs) that caused th e “7.18" severe heavy rain over Jinan are analyzed. The mesoscale convergence center and line played important roles. Furthermore, the severe heavy rain occurr ed near the center of mesoscale low pressure and accompanied with them. The ne w cloud clusters which generated behind the right rear of the weakened clouds dev eloped from mesoγ to mesoβ scale. Under enough vapor conditions, they expa nded into compacted αscale clouds with a clear edge that directly caused the se vere heavy rain. The maximum precipitation was strongly related to the lowest TBB measured by FY2 satellite, therefore, FY-2 satellite products is very impor tant in nowcasting.

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