El Nino and La Nina
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NOAA’s Climate Prediction Center announced today that the La Niña that has been holding on in the eastern Pacific Ocean has finally ended and that we are back in neutral conditions. You can read the final advisory at https://www.cpc.ncep.noaa.gov/products/analysis_monitoring/enso_advisory/ensodisc.shtml. The forecast for ENSO is for neutral conditions to continue for the next few months before…
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The December through February period that just ended shows a precipitation pattern expected from a weak to moderate La Nina, with drier than usual conditions in the southern part of the region. Temperatures across the region were warmer than normal, which may be more of a reflection of the trend towards warmer temperatures overall than…
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One question I often get asked when I give talks about the changing climate is whether ENSO, the tropical swing in temperatures between El Nino and La Nina, is affected by the warming climate. It turns out not to be a simple question because ENSO depends not only on sea surface temperatures but also the…
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The latest ENSO discussion from NOAA’s Climate Prediction Center shows a continuation of the trend we’ve seen in the last few months from La Nina conditions to neutral conditions. The latest outlook shows that La Nina is likely to end within the next month or two, swinging into neutral conditions for most of the spring…
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In this blog, we often talk about the impact of El Nino and La Nina on the climate patterns in the Southeast. We are still in a La Nina, but after three years, it is expected to change fairly quickly to the opposite phase, El Nino (60% likelihood). With the shift, we could see an…
Posted in: El Nino and La Nina -
Today NOAA released their latest seasonal outlook for temperature and precipitation covering the February through April 2023 period. It shows the continued influence of La Nina in southern parts of the region, while northern areas do not show a trend. Temperatures are more likely than not to continue to be warmer than normal, while precipitation…
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The latest ENSO outlook from NOAA’s Climate Prediction Center was released this week. They are now predicting that the current lengthy La Niña is likely to end by early spring and move through a neutral period in late spring and early summer before transitioning to El Niño later in summer and into fall. While ENSO…