Heavy rain in Indonesia mostly occurs during the peak of the rainy season and the transition period. This weather event can turn into a hazard if it lasts for hours.

What is a rainfall warning? It is an alert to communicate the potential hydrologic hazard to government officials and communities. To signify the severity, this alert comes in several types.

What are the signs of rainy weather? Knowing the signs of rainy weather is necessary as a basis for prediction, especially during extreme weather that potentially causes natural disasters