TEMPO.CO, Jakarta - The reaction and disaster analysis team at the National Institute of Aeronautics and Space (LAPAN) forecasts the potential for extreme rain in Jakarta greater area (Jabodetabek) until Sunday, January 21.

The high intensity rain is more than 10 mm per hour in 3-4 hours. The extreme rainfall also occurred in early day of Saturday, Feb. 20.

The heavy rain potential in the early day will shower over Jakarta, bogor, Depok, Tangerang, Bekasi, or Jabodetabek, until Karawang.

It is expected to escalate, covering the areas of western Java, southern Kalimantan, and the East Nusa Tenggara.

Previously, the National Institute of Aeronautics and Space issued an early warning of extreme rain in Jakarta and its vicinity on Feb. 18-19. Similar warning was also issued by the Meteorology, Climatology, and Geophysics Agency or BMKG.

"Everyone is expected to raise their awareness for a potentially massive flood that may happen on February 19 or 20 in the Greater Jakarta Area," Erma Yulihastin from LAPAN's Center for Atmospheric Science and Technology said on Thursday.

She said that the prediction came after analyzing data from the LAPAN's SADEWA, a.k.a. the Satellite-based Disaster Early Warning System.

Read: 'Extreme Rain' Expected to Flush Jakarta ahead of Weekend: LAPAN

ANWAR SISWADI