http://www.noaanews.noaa.gov/stories2009/20090709_elnino.html

In its monthly El Niño diagnostics discussion today, scientists with the NOAA National Weather Service Climate Prediction Center noted weekly eastern equatorial Pacific sea surface temperatures were at least 1.0 degree C above average at the end of June.

http://www.cpc.noaa.gov/

http://www.bom.gov.au/climate/enso/