Abnormal Precipitation Before the Landslide in Akhaldaba (A Suburb of Tbilisi, Georgia) on June 13, 2015 According to Radar Measurements
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Abstract
Results of the analysis of radar measurements of precipitation intensity (P) preceding the landslide in the vicinity of Akhaldaba (a suburb of Tbilisi, Georgia) on June 13, 2015 from 21.00 to 23.97 h are presented. In particular, the following results are obtained. Time-series of precipitation intensity under zone with the maximum radar reflectivity of the cloud has the form of a fifth power of polynomial. Time series of areas of precipitation of different intensity under the cloud were obtained and their statistical characteristics were studied. Dependence of the average intensity of precipitation under the cloud on the effective radius from the zone with the maximum radar reflectivity is obtained.
Statistical characteristics of precipitation intensity over the center of the landslide top is presented. Sum of precipitation under zone with the maximum radar reflectivity of the cloud and over the center of the landslide top on 13 June 2015 from 21.00 to 23.97 h and before landslide from 21.00 to 22.45 h is assessed.
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