Know Your Weather
Learn about the instruments and common weather terminologies used by forecaster in Brunei Darussalam Meterologoical Department.
A fluctuation in an atmospheric element (e.g. air temperature) over the course of a day, obtained by averaging observations over a sufficient length of time to remove all non-periodic variations.
Daily elements, such as temperature, rain and wind that can change hour by hour, or day by day.
An upgrade from Tropical Depression that occurs when cyclonic circulation becomes more organized and maximum sustained winds gust consistently at or above 62 km/h, and no higher than 117 km/h. Tropical storm status is when the naming of the storm takes place.
An area of low pressure, characterized by closed isobars (approximately), accom