This is the last 10 years of the monthly Southern Oscillation Index (SOI). We're experiencing something new for the last decade. This is the atmospheric signal that El Nino is here in Australia. Data from: https://www.bom.gov.au/climate/enso/soi/ Where you can explore the whole record since the 19th century. The Federation Drought had a more negative SOI. Will we get there in a few months? #climate #climatechange