El Niño Southern Oscillation (ENSO) cycle

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Background

Weather Nerd

Flooding in Eastern Australia is devastating the country, causing Massive Death and Destruction. So, What is causing the Flooding?

The floods that devastated the east coast of Queensland and New South Wales during February and March have been completely unprecedented. As reported by the Associated Press (AP), the amounts of rainfall that have fallen over a short period are staggering, causing devastating flooding to whole communities and the death of 22 people. The repair bill for roads and bridges is expected to be $1 billion, let alone the damage […]

todayMarch 23, 2022

Weather Nerd

2022 Ocean Changes signal a return to El Nino by Summer

If you look closely at ENSO (El Niño Southern Oscillation) regions, you can nicely see the developing cold “waveforms”, as the pressure patterns are creating strong easterly surface trade winds. These drive the wind-driven ocean surface cooling, and peak cold anomalies are now focused more towards the eastern regions. Since early October of 2021, there has been a temperature anomaly in the ENSO 3.4 region that reveals a stronger cooling […]

todayMarch 9, 2022

Weather Nerd

How ENSO is going to affect the 2022 Tornado Season

As history shows, La Nina can have an important influence on the Spring tornado season in the United States. And usually not in a good way. It is also partially responsible for the winter-time tornado outbreaks across the United States. From the top 5 most active tornado years, 4 were actually La Nina seasons. At least during the main spring part, when there are most tornadoes and the ENSO still […]

todayMarch 8, 2022

Weather Nerd

2021’s La Nina has stuck around in 2022. How long will it last?

La Niña is expected to stick around for at least a little while longer, with the transition back to neutral conditions most likely not taking place until at least later in spring. That’s according to the latest forecast from the National Oceanic and Atmospheric Administration’s Climate Prediction Center forecast, which was released late last week. NOAA says there’s an approximately 77% chance that La Niña conditions will linger between March and […]

todayFebruary 23, 2022

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