Jakarta –
Meteorology Climatology and Geophysics Council (BMKG) conveyed the phenomenon of ice dew a few days ago in the Dieng area, Central Java related to the ongoing dry season. The phenomenon of ice dew in Dieng during the dry season is possible because Dieng is located in the highlands.
“So that at night that is not covered by clouds, the air temperature will be very cold because the radiation back from the earth freely goes to space without any reflection from the clouds. So the earth will be very cold, and the entire layer where it contains water vapor, because minus temperatures, which are usually accompanied by frost or frozen dew,” said the Head of the BMKG Climate Change Information Center, Dodo Gunawan, as quoted by Antara, Sunday (10/7/2022).
Dodo explained that the air temperature could be minus or below 0 degrees Celsius. He said it was influenced by clear cloud conditions at night.
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“Earth’s temperature, because there is no radiation, of course, at night there is no sun, instead the earth’s energy that radiates back radiates without any reflection from the clouds in particular, so that it becomes minus, it becomes cold, it can even go to minus,” he said.
He said the ice dew phenomenon did not only occur in Dieng, but also in a number of other areas in the mountains. The frost had an impact on residents who owned farming businesses, causing crop failure.
Dodo appealed to farmers in the mountains to regulate the planting season and pay attention to weather conditions so that they can be harvested immediately before the frost damage the plants.
Dodo said 35 percent of the season zones throughout Indonesia had entered the dry season. While some areas in Sumatra and Java, there are still some areas that have not entered the dry season, due to the La Nina phenomenon which causes sufficient rainfall.
La Nina conditions will return to normal in August, and towards neutral in October, November and December.
“So not only BMKG makes predictions regarding this La Nina, but several world meteorological agencies make La Nina forecasts and most of them indicate that the current weak condition will lead to a neutral function,” said Dodo.
(dek/idn)
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