After a brief respite, the stratospheric polar vortex is expected to weaken again, and another major sudden stratospheric warming could be on the way.
A major disruption of the stratospheric polar vortex occurred. What happens next? The stratosphere will try to communicate its artistic vision down to the troposphere, but the troposphere may have its own masterpiece in mind.
In a record going back to 1850, Earth hasn't had a year colder than the 20th-century average since 1976—almost half a century.
The latest forecast says a major disruption of the polar vortex is on its way, but the stratosphere has been acting up for a while. Our bloggers explain what it might mean for U.S. weather.
Was the late November Great Lakes snowstorm a harbinger for December?
Drought improvement likely across the Southeast, Gulf Coast, and Texas amid ongoing El Niño.
Highlights from the 2022 update to NOAA's Arctic Report Card in maps and charts.
Earth had its fourth-warmest October on record.
It was the sixth-warmest year on record for planet Earth.
The month brought a warm West and a cold East. Amid widespread dryness, wetter-than-average conditions occurred in Colorado, the Ohio Valley, and the Mid-Atlantic.