natural disaster FAST!!! 1 DAY

The most worst one in history should be Typhoon Wanda in 1962.

圖片參考：http://www.hko.gov.hk/informtc/no10/wanda/f1.gif

Wanda formed on August 27 as a tropical depression over the Pacific about 1300 miles to the east-southeast of Hong Kong. Moving west-northwest towards the Luzon Strait at fifteen knots it gradually intensified and by the next day was a severe tropical storm. (The track of Typhoon "WANDA" is shown in Fig.I)

See details at the link:
http://www.hko.gov.hk/informtc/no10/wanda/wanda.htm
I hope I can help.

Symposium on natural disaster planning and preparedness
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The Hong Kong Observatory conducted a symposium on natural disaster planning and preparedness on March 29 and 30 where world-renowned experts were invited to give lectures (Figure 1).

http://www.info.gov.hk/gia/general/200403/30/0330172.htm