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(WeatherBell)

How the polar vortex could bring winter back with a vengeance

First, there was a bitter Arctic outbreak. Next up will be a thaw. But thereafter, it may come down to what the polar vortex does — and the jury is still out on that.

By Matthew Cappucci

Quiz: Can you guess from these photos how much snow fell across the U.S.?

By Niko Kommenda and Ian Livingston

D.C. area pasted by week’s second snowstorm. How it happened.

By Jason Samenow, Ian Livingston and Jeff Halverson

Frigid weather saps EV batteries. Here’s how to keep yours running.

By Amudalat Ajasa

After a slow start, winter weather has stormed the Lower 48 states

By Ian Livingston

Capital weather gang

D.C.-area forecast: It’s still chilly today, but the thaw is underway

Highs could reach 60 by Thursday

By Jason Samenow22 minutes ago

January 22 morning weather update

Monday, January 22

More D.C.-area weather

Night Sky

Extreme weather

(John Muyskens/The Washington Post)

Where the world warmed the most in Earth’s hottest year

A Washington Post analysis of climate data found one-fifth of the planet was 2 degrees Celsius warmer than in the late 1800s, before humans started burning fossil fuels on a large scale.

By John Muyskens and Niko Kommenda

Thousands of U.S. homes have flooded over and over again. Here’s where.

By Brady Dennis and Harry Stevens

We’re in danger of falling off a ‘snow loss cliff.’ Here’s what that means.

By Maggie Penman

Tornadoes devastate parts of Gulf Coast as storms sweep U.S.

By Justine McDaniel and Kasha Patel

Scientists knew 2023’s heat would be historic — but not by this much

By Scott Dance, Sarah Kaplan and Veronica Penney

Mountains in the West have a lot less snow than they should right now

By Diana Leonard and Ian Livingston

These U.S. cities had their hottest year on record in 2023

By Ian Livingston

Great Lakes start 2024 with smallest amount of ice in at least 50 years

By Dan Rosenzweig-Ziff

Siberia’s ice is melting, revealing its past and endangering its future

By Ruby Mellen and Natalya Saprunova

More coverage of extreme weather

El Niño

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(WeatherBell)

How the polar vortex could bring winter back with a vengeance

By Matthew Cappucci

D.C.-area forecast: It’s still chilly today, but the thaw is underway

By Jason Samenow22 minutes ago

Dozens of deaths linked to winter storms across the United States

By Kelly Kasulis Cho

D.C.-area forecast: Harsh cold continues today, then gradually warming this week

By Molly Robey

Quiz: Can you guess from these photos how much snow fell across the U.S.?

By Niko Kommenda and Ian Livingston