But before we analyze this chart's warnings, a bit of explanation about what its colorful squiggles represent: Each wavy horizontal line tracks one year's month-by-month global temperature. Each ...

These indices measure the difference between the current sea surface temperature and its long-term (1991–2020) average in several regions located along the equatorial Pacific. The difference is ...

Australian Region - equator to 50°S, 100°E to 180°E (mercator projection) ...