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El Niño and La Niña
Latest status (August 2019)


In the past month or so, the cooling trend of the central and eastern equatorial Pacific continued. Overall speaking, sea surface temperatures of the region returned to normal in July 2019, indicating that the El Niño had come to an end. Based on the latest oceanic observations as well as forecasts by a number of climate models around the world, sea surface temperatures of the central and eastern equatorial Pacific are expected to remain normal this autumn (September-November).


Sea surface temperature anomalies
(Source: National Oceanic and Atmospheric Administration, USA)

Figure 1    Sea surface temperature anomalies of 21 July – 17 August 2019 in degree Celsius.


Note:

1. The next update will be available in the latter half of September 2019.


Related links:
What are El Niño, La Niña, ENSO?
The impact of El Niño and La Niña on the climate of Hong Kong
Seasonal and annual rainfall charts
Blogs relating to El Niño/La Niña
References on El Niño and La Niña
Seasonal forecastAnnual outlookClimate change



For further information on this webpage, please contact Mr. F C Sham (tel:2926 3102, email:fcsham@hko.gov.hk)