BMKG: Flash Floods In Batu City Due To Extreme Rain
JAKARTA - The Meteorology, Climatology and Geophysics Agency (BMKG) said the flash floods that occurred in Batu City, East Java were caused by rainfall which was included in the extreme category.
"So, based on the results of the BMKG weather analysis, the rainfall that occurred in the Batu City area on November 4, 2021 and caused flash floods in the area, the intensity was categorized as extreme," said Head of the BMKG Weather Prediction and Early Warning Division, Miming Saepudin, quoted by Antara. , Friday, November 5th.
Miming explained, the intensity of rainfall during the banjir bandang reached 80.3 millimeters and occurred in about two hours, from 14.00 to 16.00 WIB.
The flash flood that occurred was also caused by the growth of the formation of cumulonimbus rain clouds, causing heavy rainfall in the Malang area.
"The results of the analysis of satellite images and weather radar also show the growth of rain clouds with the type of cumulonimbus. Thus, causing heavy to very heavy rainfall in the Batu City area. This triggers the extreme weather conditions in the region," he said.
His side predicts that in the next week, in general, the East Java region will still have the potential to face extreme weather not only in Malang, but also in several other areas in East Java.
BMKG also predicts that in November 2021, most of Indonesia, especially Java Island, will enter the beginning of the rainy season which will become extreme due to the phenomenon of Rossby waves and MJO (Madden Jullian Oscillation).
He appealed to all communities, especially those on the island of Java, to continue to follow the predictions as well as anticipation and mitigation provided by the BMKG regarding extreme rainfall that will occur in their respective regions.
"What we need to watch out for, we predict, is the peak of the rainy season in the Java region in January and February, so that vigilance on the potential for rainfall must remain vigilant, at least until February or March," said Miming.