Last month's average sea surface temperature around Japan was the HIGHEST on record for September, exceeding the previous record by a SIGNIFICANT margin.
— Sayaka Mori (@sayakasofiamori) October 5, 2023
SST around Hokkaido was particularly high, with a monthly average of 3.8°C higher than normal!https://t.co/xQsqe90QUe pic.twitter.com/zgP1lVR29R