El Niño is here.

Water in the eastern and central Pacific is expanding as it warms and stacking up as trade winds calm. We can measure this change in sea surface height from space, further evidence that the natural climate phenomenon has arrived.https://t.co/JirBaGiBXI pic.twitter.com/uccaOxQ9Vg

— NASA GISS (@NASAGISS) June 27, 2023