NOAA ENSO Update: Double-Dipping – Why Does La Niña Often Occur in Consecutive Winters? This post first appeared on the climate.gov ENSO blog and was written by Nat Johnson As the 2020–21 La Niña has come to an end, leaving us with neutral conditions in the tropical Pacific, we now wonder if we have seen the last of La Niña for a while or if we will see another dip into La Niña conditions […] Weather WeatherBrains | May 28, 2021 0 Comments
NOAA May 2021 ENSO Update: Bye for Now, La Niña! This post first appeared on the climate.gov ENSO blog and was written by Emily Becker La Niña conditions have ended and NOAA forecasters estimate about a 67% chance that neutral conditions will continue through the summer. The ENSO forecast for the fall is less confident, with odds of a second-year La Niña currently hovering around 50–55%. Spring cleaning If you’ve […] Weather WeatherBrains | May 13, 2021 0 Comments
NOAA: April 2021 ENSO Update – La Niña Hanging On But Will Transition to Neutral in Next Month This post first appeared on the climate.gov ENSO blog and was written by Emily Becker La Niña is hanging on in the tropical Pacific, but it’s likely a transition to neutral will occur in the next month or so, and the chance of neutral goes up to 80% in May–July. Grab your goggles and your running shoes! We’re going to […] Weather WeatherBrains | April 8, 2021 0 Comments
NOAA March 2021 ENSO Update: Weakening La Niña Unlikely to Develop into El Niño in Fall This post first appeared on the ENSO Blog and was written by Emily Becker La Niña continues in the tropical Pacific, but it has weakened recently, and forecasters estimate about a 60% chance of a transition to neutral conditions in the late spring. Looking farther out into the fall of 2021, El Niño is unlikely to develop, and the chances […] Weather WeatherBrains | March 11, 2021 0 Comments
Colorado Snowpack Update + What To Expect The Rest of The Season Depending on where you have been able to ski this season in Colorado, you probably saw two very different snowpacks. La Niña winters are typically hard to predict snowfall patterns in Colorado. The overall trend is that La Niña patterns slightly favor the northern mountains while the southern mountains see slightly warmer and less precipitation than average. Again, this is […] Conditions Report Ryan Flynn | March 8, 2021 0 Comments
NOAA February 2021 ENSO Update: La Niña Is Still Here, but 60% Chance Neutral Conditions Will Return This Spring This post first appeared on the climate.gov ENSO blog and was written by Emily Becker La Niña is still here, but forecasters estimate about a 60% chance that neutral conditions will return this spring. By the fall, the chance that La Niña will return is approximately equal to the chance that it will not. Let’s take a stroll around ENSO’s […] Weather WeatherBrains | February 12, 2021 1 Comment
NOAA January 2021 ENSO Update: 95% La Niña Will Continue Through Winter This post first appeared on the climate.gov ENSO blog and was written by Emily Becker There’s a 95% chance that La Niña will continue through the winter and a 55% chance the tropical Pacific will transition to neutral conditions by the spring. After that, the picture is less clear. Certainly less clear than the waters of the tropical Pacific… Tahiti […] Weather WeatherBrains | January 15, 2021 0 Comments
Long Anticipated La Niña Pattern Set to Engage in Intermountain West Before Christmas As skiers in the Pacific Northwest rejoice over their abundant snowfall, Colorado and Utah skiers are making their yearly sacrifices to Ullr a bit late. Why have Colorado and Utah been so late to receive typical winter snowfall? The culprit: La Niña. However, La Niña itself isn’t directly responsible. Rather, it is La Niña’s tardiness that is causing the dismal snowfall numbers. Thus far […] Weather Clay Malott | December 11, 2020 4 Comments
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