Page 5 - Walker Circulation News Today

Which are the major climate oscillations that drive the world's weather, and how might they change with climate change?

According to the IPCC AR6 report, right from the beginning of the industrial revolution era, Arctic Sea ice melting, global warming, and growing sea-level increase are probably attributed to human activity.

Long-term drought situation A severe drought is affecting eastern and central regions of the Greater Horn of Africa (GHA) and is likely the worst drought in 40 years, after a fourth consecutive below‑average rainfall season (Figure 1). Long-term drought (Figure 2) and poor vegetation conditions (Figure 3) reflect persisting drier-than-normal rainfall seasons. Seasonal outlook

We are in the midst of another La Nina weather event. What does that mean and where do La Ninas (and El Ninos) come from?

We are in the midst of another La Nina weather event. What does that mean and where do La Ninas (and El Ninos) come from?

We are in the midst of another La Nina weather event. What does that mean and where do La Ninas (and El Ninos) come from?

Normal text size Very large text size As a giant island, Australia cops weather from all directions. One of the main drivers of our climate, particularly for those living in eastern parts of the country, periodically roars out of the Pacific. Whether it’s an El Nino bringing extreme droughts or a La Nina whipping up severe tropical cyclones and floods, farmers and firefighters and almost everybody else have cause to keep a wary eye on subtle temperature changes in the waters to Australia’s ...