US EditionWhat the Pacific ‘Blob’ + La Niña Means for Winter in the US
NOAA forecasts a weak La Nina likely to continue through early 2026 with a 75% chance, potentially influencing late hurricane season activity and winter weather patterns.
- On Oct. 9, the Climate Prediction Center declared La Niña has officially arrived, confirmed by the National Oceanic and Atmospheric Administration.
- A La Niña forms when central Pacific Ocean cools by half a degree Celsius , influencing weather in Indonesia, the Philippines, parts of Australia, the Middle East, and eastern China.
- Traditionally, La Niña reduces Atlantic wind shear, allowing more storms especially late and in the Caribbean; an average season sees 14 storms and seven hurricanes, though as of Oct. 8 there have been 10 named storms and four hurricanes.
- Model forecasts show NOAA and Columbia University indicate this La Niña is likely weak and may disappear, with Michelle L'Heureux saying `There is a three out of four chance it will remain a weak event`.
- With the season ending Nov. 30, forecasters note this La Niña could affect the 2025 hurricane season tail and a 1999 economic study found droughts cost U.S. agriculture $2.2 billion to $6.5 billion.
51 Articles
51 Articles
A foreboding weather pattern has emerged: Here’s what it means for winter
La Niña, a climate pattern that can affect weather worldwide, has officially arrived. La Niña is fueled by colder-than-normal Pacific Ocean temperatures, which then affect the pattern of the Pacific jet stream. It’s the cooler counter to El Niño, which involves warmer-than-normal ocean waters. Both are part of a weather system called the El Niño-Southern Oscillation (ENSO). La Niña conditions emerged in September, the National Weather Service’s …
La Niña Advisory: What it means for the Big Country’s winter
BIG COUNTRY, Texas (KTAB/KRBC) – As of October 9, 2025, the National Weather Service (NWS) has issued a La Niña Advisory, meaning La Niña conditions have been observed and are expected to continue. Why the Big Country’s seasons barely change & what’s behind it In September 2025, sea surface temperatures across the central and eastern equatorial Pacific Ocean dropped below average, a key sign that La Niña was developing. This helped those e…
East Bay Times
La Niña is here: Is California heading for a dry winter?
Maybe. But it depends on where you live, history shows.
La Niña is officially here. What does it mean for winter weather?
(NEXSTAR) – After months of anticipation, La Niña has officially begun. La Niña conditions emerged in September, the Climate Prediction Center announced on Thursday, and they're expected to last through at least the end of the year. La Niña typically reaches peak strength in the winter, meaning that's when it has the greatest impact on the type of weather we see — especially precipitation. However, this year forecasters are expecting a pretty we…
La Niña is officially here. What does it mean for Mississippi's winter weather?
(NEXSTAR) – After months of anticipation, La Niña has officially begun. La Niña conditions emerged in September, the Climate Prediction Center announced on Thursday, and they're expected to last through at least the end of the year. La Niña typically reaches peak strength in the winter, meaning that's when it has the greatest impact on the type of weather we see — especially precipitation. However, this year forecasters are expecting a pretty we…
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