2 Feet Of Rain Falls On Taiwan In 24-Hours, 3.5 feet In 3 Days Causing Flooding, Landslides

Written by on June 13, 2012 in Asia with 0 Comments

(Background image courtesy of NOAA)

An astonishing 25 inches or 2 feet of rain has fallen across southern parts of Taiwan within just 24-hours while 3.5 feet has come down in 3 days, this has of course caused major flooding and sadly death with

It’s all caused by a stationary boundary stretching from Southeast China eastwards across southern Taiwan and out into the western Pacific. This boundary is created by air flowing around two distinct high pressure systems, The West Pac High to the south and a high over northern China to the north creates this boundary of convergence. Fuelled by a warm, tropical hose of warm, moist air flowing out of the South China Sea and extending even further south to where waters are well into the upper 80s, even 90s F. The high to the north of the front draws much cooler air down from Siberia, this ignites towering thunderstorms which ‘train’ across Taiwan and with the lofty topography of this country, these already monsoon-like rains which last days and not hours are greatly enhanced by orographic lift as this super moist flow slams against the mountains. This air gets forced upwards and thus the air cools, condenses and squeezes out even more moisture from the clouds.

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