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Archive for the ‘wind anomaly El Niño’ Category

El Niño Update [8 Sept 2009]

Posted by feww on September 8, 2009

ENSO Cycle: Recent Evolution, Current Status and Predictions

The following UPDATE is prepared by

Climate Prediction Center / NCEP – 8 Sept 2009

The latest weekly SST departures are:

  • Niño 4   ~ 0.8ºC
  • Niño 3.4  ~ 0.9ºC
  • Niño 3 ~ 1.0ºC
  • Niño 1+2 ~ 0.7ºC

El Niño Map.
[SOURCE: NOAA/ Climate Prediction Center / NCEP]

Niño Region SST Departures (ºC) –  Recent Evolution
SST anom 8-sept-09

SST Departures (°C) in the Tropical Pacific During the Last 4 Weeks
Avg SST anom 8sept09

During the last 4-weeks, equatorial SSTs were at least 0.5°C above-average across the Pacific Ocean and at least 1.0°C above average near the Date Line and in the eastern Pacific.

Global SST Departures (°C)
Avg SST anom global 8sep09

During the last four weeks, equatorial SSTs were above-average in the Pacific and Indian Oceans. Also, above-average SSTs covered large areas of the Northern Hemisphere mid-to-high latitudes.

ONI (°C): Evolution since 1950
ONI  8-sept-09

The most recent ONI value (June – August 2009) is +0.7°C.

Information and images on this page are sourced from Climate Prediction Center/NCEP/NOAA.


  • El Niño is present across the equatorial Pacific Ocean.
  • Sea surface temperatures (SST) remain +0.5 to +1.5 above-average across much of the equatorial Pacific Ocean.
  • Based on current observations and dynamical model forecasts, El Niño is expected to strengthen and last through Northern Hemisphere winter 2009-10.

For additional information see following links.

Relate Links:

El Niño Updates

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