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Weather Explainers

El Niño explained region by region: What it means for your winter
September 23, 2026, 5:31 am EDT
Here’s our easy guide for what El Niño could actually mean for temperatures, rain and snow where you live.
What the fall equinox actually means
September 21, 2026, 5:51 am EDT
It's a specific moment in time every year in late September. Here's the science behind it and some persistent myths.
The 2% Club: Where in the world you can find a Mediterranean climate
September 20, 2026, 2:55 pm EDT
From the sun-drenched vineyards of California to the rugged coastlines of South Africa, the Mediterranean climate only exists in five isolated pockets on Earth. They’re home to most of the Blue Zones, and only make up about 2% of the world’s landmass. Here’s the precise geographical recipe.
Don't fall for these myths about El Niño
September 19, 2026, 7:50 am EDT
With the hype of a strong El Niño, you may hear some things that simply are not true. We correct some of the biggest myths here.
Ask a met: How did two hurricanes with L names pass by Hawaii in the same summer?
September 19, 2026, 7:15 am EDT
Our meteorologist answers all of your deepest weather questions.
When does peak fall foliage typically happen near you?
September 19, 2026, 7:03 am EDT
From fiery reds to brilliant yellows, here's when your area typically hits its most colorful stretch of fall.
How meteorologists forecast peak fall foliage weeks in advance
September 18, 2026, 9:32 am EDT
Forecasting a storm and forecasting peak fall foliage have more in common than you'd expect, and the leaves give it away weeks ahead of time. It turns out there's a real formula behind when the leaves change, and it's more predictable than it looks. Here's what we’re tracking when it comes to fall foliage.
Meteorological fall vs. fall equinox: Which is the best and why?
September 14, 2026, 12:03 pm EDT
There are two ways to determine when fall begins. There is a case to be made for each.
The Gulf Stream is speeding up. Scientists say that's a big deal
September 14, 2026, 9:16 am EDT
The Gulf Stream moves warm water to the North Atlantic, and its speeding up in recent years could cost you.
The Gulf Stream is speeding up. Scientists say that's a big deal
September 14, 2026, 7:59 am EDT
The Gulf Stream, a warm ocean current near the U.S. East Coast, shifts warm water from the Caribbean and the Gulf to the North Atlantic. But a recent study shows that this current is speeding up and has been for about a decade. This current can affect wildlife and seafood availability for the East Coast. There are some potential impacts on the price of your favorite seafood.

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