30-day SST anomalies and marine heatwave conditions (stippled), calculated with respect to the 1991-2020 climatological period..png

30-day SST anomalies and marine heatwave conditions (stippled), calculated with respect to the 1991-2020 climatological period.
NIWA

30-day SST anomalies and marine heatwave conditions (stippled), calculated with respect to the 1991-2020 climatological period.

Climate and weather