La Niña for Fall/Winter 2017/18 is a real possibility

"There is an increasing chance (~55-60%) of La Niña during the Northern Hemisphere fall and winter 2017-18." says the NOAA Climate Prediction Center.

"Over the last month, equatorial sea surface temperatures (SSTs) were near-to-below average across the central and eastern Pacific Ocean (Figure 1).

ENSO-neutral conditions were apparent in the weekly fluctuation of Niño-3.4 SST index values between -0.1°C and -0.6°C (Figure 2).



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