The weekly Nino 3.4 region (5°S-5°N-170°W-120°W) sea surface temperature anomaly is now -0.4°C - the coolest it has been since the week of April 11, 2018 - continuing a potential trend towards #LaNina conditions. pic.twitter.com/SXhZbtxcxV
-- Philip Klotzbach (@philklotzbach) May 26, 2020