Heavy rains accompanied by hail hit parts of Kepanjen, Malang regency, East Java Province, on Thursday (2/23/2012) afternoon. Not only accompanied by hail, rain was accompanied by lightning and storm winds.
These conditions make people panic and rushing for shelter. visibility very shorter due to heavy rain.
This phenomenaon occurred since 14.30 pm. The freezes ice crystals that drop with the rain is sized corn seed.
According to Head of the Observation Meteorology and Geophysics (BMKG) Karangploso, Malang Regency, Rahmatullah Adjie, the occurrence of hail from the gathering of cumulonimbus clouds (CB).
CB clouds gathering shed to be rainy. If that happens then potential for storms and lightning to occur.
According to Adjie, CB clouds will form a very stable air mass. Cumulonimbus clouds will cut off the top of the dome, similar to the towering clouds.
The characteristics of CB cloud is vertically striped. Characteristics, with torrential rain will fall.
Because of the sun heat radiation. Finally, clouds created crystal that lowered until it came the hail phenomenon, he explained.
Furthermore Adjie said, hail usually do not last for a long time. About 10-20 minutes. Serious impact on motorists due to limited visibility.
Adjie hope Kepanjen District residents not to panic. Because the hail will not be long.
Grains of ice crystals do seem scattered in a number of houses in the Kepanjen area Kepanjen. People said that the sound could be heard when hail hit the asbestos roof of the house.
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