NOAA ENSO Update April 2024: 85% Chance La Niña Develops Next Winter The El Niño of 2023–24 is weakening. Forecasters estimate an 85% chance that El Niño will end and the tropical Pacific will transition to neutral conditions by the April–June period. There’s a 60% chance that La Niña will develop by June–August. Overall, the forecast this month is very similar to last month, and we continue to expect La Niña for […] Weather WeatherBrains | April 12, 2024 0 Comments
NOAA ENSO January 2024 Update: El Niño Reaching Peak Strength | 60% Chance of La Niña in Late-Summer/Fall El Niño is very likely close to peak strength and is likely to continue for the next few months while gradually weakening. Despite the expected weakening of El Niño’s tropical Pacific sea surface signature, impacts to global climate will continue for the next few months. Forecasters currently expect ENSO-neutral conditions (ENSO = El Niño/Southern Oscillation, the whole El Niño & […] Weather WeatherBrains | January 12, 2024 0 Comments
NOAA ENSO Update December 2023: 54% Chance El Niño Will be “Historically Strong” in Top 5 on Record El Niño is zipping along in the tropical Pacific. There’s a 54% chance that this El Niño event will end up “historically strong” (more details below), potentially ranking in the top 5 on record. Looking ahead, it’s likely that El Niño will end and neutral conditions return by April–June. Sail across the Pacific El Niño is associated with specific changes […] Weather WeatherBrains | December 14, 2023 0 Comments
NOAA ENSO Blog: How Does El Niño Influence Snowfall Over the United States? After the last three winters of La Niña conditions (weren’t we all ready for a change!), the tropical Pacific is looking much different this year, with a strong El Niño likely this winter (1). Historically, how has El Niño shaped precipitation (rainfall + snowfall) over the U.S.? Let’s dig in and find out! Related: SnowBrains Forecast: Colorado to Get Hammered This Weekend – 2+ FEET […] Weather WeatherBrains | December 1, 2023 0 Comments
NOAA ENSO November 2023 Update: This Winter’s El Niño is Officially a Strong Event El Niño is currently chugging along, and forecasters expect it to continue for the next several months, with a 62% chance of lasting through April–June 2024. Since we’re heading into the winter, when El Niño’s effect on Northern Hemisphere temperature and rain/snow is most distinct, today we’ll drive by some of El Niño’s wide-ranging impacts. On rails First stop—this El […] Weather WeatherBrains | November 10, 2023 0 Comments
NOAA ENSO Update October 2023: El Niño is Certain, But How Strong Will it Get? El Niño is currently purring along in the tropical Pacific. Forecasters expect El Niño will continue through the spring, with a 75-85% chance it will become a strong event. A stronger El Niño—definition to follow shortly—means it is more likely that we will see El Niño’s expected thumbprint on winter temperature and rain/snow patterns around the world. Related: 2023-24 El […] Weather WeatherBrains | October 12, 2023 0 Comments
NOAA September ENSO Update: Greater Than 95% Chance El Niño Sticks Around Through March Let’s cut right to the chase. According to the September El Niño-Southern Oscillation (aka ”ENSO”) Outlook, El Niño is expected to stick around (with greater than a 95% chance) at least through January-March 2024. There is now around a 71% chance that this event peaks as a strong El Niño this winter (Oceanic Niño Index ≥ 1.5 ˚Celsius). Remember, though, […] Weather WeatherBrains | September 14, 2023 0 Comments
2023-24 El Niño Outlook: What Are the Implications for North American Ski Season? After three years of moderate La Niña winters, El Niño is poised to return in full force, having major implications for the North American ski season. Let’s look at what El Niño is, how it works, and the impact it will have on snowfall this season. Related: Farmers’ Almanac 2023/24 Winter Forecast: A Return Of Traditional Winter Weather: The Brrr […] Weather WeatherBrains | September 4, 2023 0 Comments