US Weather Forecaster Downgrade El Niño Chance

  • Date: 09/06/17
  • Reuters

A U.S. government weather forecaster on Thursday said there are no active El Niño or La Niña patterns and that neutral conditions are likely in the Northern Hemisphere during fall 2017.

Figure 1. Average sea surface temperature (SST) anomalies (°C) for the week centered on 31 May 2017. Anomalies are computed with respect to the 1981-2010 base period weekly means.

However, chances for El Niño remain elevated, between 35 and 50 percent, relative to the long-term average into the fall, the National Weather Service’s Climate Prediction Center (CPC) said in a monthly forecast.

The last El Niño, a warming of ocean surface temperatures in the eastern and central Pacific that typically occurs every few years, went away in 2016 and was linked to crop damage, fires and flash floods.

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