JAKARTA, iNews.id – Along with the growth of convective clouds that occur throughout Indonesia, the intensity of rain has increased. The variability shows that the maximum rain is concentrated in the eastern (Papua and surrounding) and western Indonesia (Java and its surroundings).
In addition, the dynamics of the third dasarian in February shows that La Nina tends to strengthen (-0.8 towards -1oC) coinciding with the activities of Cross Equatorial Northerly Surge (CENS), Cold Tongue (CT), and the propagation of water vapor from east to west. which is associated with the movement of tropical cyclones from southern Nusa Tenggara to southern Java.
These global and regional conditions have provided a supportive environment for the occurrence of extreme rains on 20 February in the Jadetabek area that reached an intensity of 226 mm / day, which resulted in the impact of flooding.
National Institute of Aeronautics and Space (EIGHT), predicting high intensity rain will still occur in March 2021 covering the islands of Java, Bali, Lombok, Nusa Tenggara, Papua, and surrounding areas.
The decrease in rain then occurs gradually from April to August 2021, except for the Sulawesi region which experiences an increase in rain in July. The probability of predicting rain with an intensity of more than 5 mm / day which is the equivalent of accumulation rainfall dasarian 50 mm, occurs from March to August 2021, with the initial conditions as on February 1, 2021.
This means that the probability of the rainy season for all parts of Indonesia will continue until April 2021. Nusa Tenggara is likely to experience a transition to the dry season in May 2021, while Java and parts of Sumatra in June 2021.
Editor: Dini Listiyani
