Tropical Cyclone

Tropical Cycloneprecipitation and abnormal rises in sea-level. The accumulated rainfallfrom the passage of a tropical cyclone can be staggering. As much as4000 mm (100 inches) has fallen from a single typhoon in the Philippinesand amounts of more that 250 mm (10 inches) over a 12 hour period at asingle station are not uncommon. Intense rain bands may supply over 100mm(4 inches) in one hour. To put these figures in perspective London’saverage annual rainfall is about 600 mm (24 inches).21