A large increase in MHW’s during the past decade appears to be a leading contributor to global ocean temperature rise and Australia is a location directly affected by the attendant climate produced by MHW’s.
A chilly outbreak remains in the 11-15-day forecast across Argentina into Southwest Brazil as meteorological winter 2025 arrives. There is marginal <32F/<0C risk in northeast Argentina with the season's first cool burst. The intensity of this potential event may be a guide on additional cold risk as wintertime arrives in South America.
Another week of severe storms and heavy rain in the Central/East U.S. followed by an unusually cool ending to May as indicated by next week's U.S. population weight cooling degree day forecast utilizing all forecast models.
Unusually cool weather across the East U.S. the last third of May but warmer changes in June are forecast by ECMWF including robust anomalous warmth for most of the U.S. by week-4 (June 8-14). A tendency for wet weather in the northwest Gulf region is likely to continue in June.