The Wind Of 18 Knots In The Indian Ocean Makes High Rain In West Sumatra

JAKARTA - BMKG explained the high rainfall that caused disasters in a number of areas in West Sumatra (West Sumatra) on Monday, January 23 yesterday. 'The point is', there are wind bends with speeds of 18 knots from the Indian Ocean.

"The wind drives rain clouds from the waters to the mainland. This is what drives rain evenly in West Sumatra with heavy and very heavy intensity," said Head of West Sumatra Climatology Station Heron Tarigan in Padang, Tuesday, January 24, quoted from Antara.

From the image of the condition, the clouds formed have orange to cream cold temperatures that have the potential to rain with heavy to very heavy intensity with longer durations.

The clouds that formed in the Indian Ocean were constantly driven by strong winds of around 18 knots on the 925 Hpa layer with a turning direction towards the mainland of the island of Sumatra.

The heating of the sea surface temperature in the morning until noon forms convective (low) clouds. The low clouds (cumulus and cumulonimbus) were concentrated very thick at 13.00 WIB in Padang City, Padang Pariaman, Pariaman City, Pesisir Selatan Regency with very heavy rain intensity or extreme rain.

He also revealed that the rain that occurred in Padang Pariaman, especially in 2x11 Kayu Tanam District, was the highest intensity rain in the last 38 years with 251.6 millimeter rainfall.

The second high-intensity rain in the sub-district occurred on September 22, 2022, with rainfall of 239.6 millimeters. On January 30, 2004, there was also extreme rain with 235 millimeters of rainfall.

Previously, 5 areas in West Sumatra were hit by floods and landslides due to high rainfall that flushed from Monday (23/1) afternoon to Tuesday (24/1) in the early hours of the morning.

"There are five regions that reported the disaster events of Agam, Padang Pariaman, Padang and Pesisir Selatan and Mentawai. Until this morning local BPBD personnel have continued to monitor the situation," said Head of BPBD West Sumatra, Jumaidi in Padang.

A number of people affected by the flood last night also fled to higher ground for fear that the water would continue to rise to settlements, but this morning most of them have returned to their respective homes.