Guest Post by Bob Tisdale
In the recent post Say Good-Bye to the 2015/16 El Niño, we illustrated and discussed how the weekly sea surface temperature anomalies of the NINO3.4 region of the equatorial Pacific had dropped below NOAA’s +0.5 deg C threshold for El Niño conditions for the week centered on May 18th. Weekly sea surface temperature anomalies for that region are now below zero.
We noted in the April update that both Australia’s Bureau of Meteorology (BOM) and the U.S.’s NOAA have issued La Niña alerts for the ENSO season of 2016/17. (BOM notice is here, and NOAA advisory is here.) Sea surface temperature anomalies for the equatorial Pacific are rapidly moving…
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