Variability in tropopause height and its temperature on different time scales: An observational study over Banqiao, Taiwan

► Tropopause height and its temperature show variability at different time scales. ► The CPT height shows a pronounced AC whereas the CPT temperatures showed a QBO. ► The CPT height and OLR have similar kind of interannual variability. ► The CPT temperature and the stratospheric ozone show alike interannual variations.