[Wednesday, 19 April 2017] Heavy rain accompanied by strong winds hit the city of Bandung. Even in some areas observed hail with varying intensity.
Analysis while the Meteorology, Climatology and Geophysics Agency (BMKG) Geophysical Station Class I Bandung mentioned that hail in some areas of Bandung is influenced by convergence or wind meeting areas formed in West Java. Meanwhile, based on the infrared satellite image of Himawari-8 at 13.50 and 14.00, there is a cloud cover convective (Comulonimbus) which is thick and extends over the area of West Java.
The height of the Comulonimbus cloud peak can reach a height of more than 5,000 meters above the earth"s surface, which exceeds the freezing point, with the cloud top temperature reaching minus 44 degrees Celsius. Thus, in some places in Bandung hail. In addition, the wind speed from morning to noon continues to grow, reaching its peak at 14.00 hours with a speed of 40 kilometers per hour seen from wind stream data at 3,000 feet and synoptic weather observation data at Bandung Geophysical Station resulted in an unfavorable atmosphere condition.
This supports the high connectivity process in West Java and especially in Bandung City as indicated by significant air temperature difference at 7:00 to 10:00 intervals of 6.2 degrees Celsius. At the time of heavy rain accompanied by lightning and ice, there was an increase in wind speed to 40 kilometers per hour. This happens because of the transition period or the transition from the rainy season to the dry season. During this transition period the potential for heavy rains accompanied by strong winds and higher lightning, though only in a short time.
Changing weather conditions in one day need to be anticipated, especially to minimize the potential for fallen trees by cutting or reducing the lush trees and the need to clean waterways as a precaution during heavy rains in the transition period.
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