Enhancement of Observatory's Webpage on El Nino and La Nina

Hong Kong Observatory enhanced the webpage on El Niño and La Niña today (24 May 2010). The URL is:

http://www.hko.gov.hk/lrf/enso/enso-front.htm

This webpage includes the latest information on El Niño and La Niña, basic knowledge of the phenomena, their impacts on the climate of Hong Kong, and relevant references.