| Summary: | Singapore is situated in the equatorial belt where there are no severe tropical cyclones (typhoons). The monsoon winds over these regions are also mild. Thus, strong winds due to these weather systems are relatively less severe. On the other hand, equatorial regions have frequent tropical thunderstorms. Wind speeds of the gust fronts of these thunderstorms can be relatively high. Thunderstorm winds play an important role in defining the wind loading criteria in the equatorial region. Unfortunately, the existing knowledge on thunderstorm is very much inadequate. For other countries, although there are thunderstorms, with the higher wind speeds coming from typhoons or monsoons, wind characteristics of thunderstorms are of minor importance in defining wind loading criteria.
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