May 2021 was mild across much of the contiguous U.S., with dry conditions widespread across the West, the Northern Plains, the Ohio Valley, and the Mid-Atlantic.
May 2021 global surface temperature was 1.46°F above the 20th-century average, tying with 2018 as the sixth-warmest May in the 142-year record.
Although this was the smallest warm departure for any March since 2014, it was still the eighth-warmest March for the planet in the 142-year record.
The May 2021 outlook favors warmth for the southern half of the country and a wet East-dry West split.
Every ten years, NOAA releases an analysis of U.S. weather of the past three decades, calculating average values for temperature, rainfall, and other climate conditions that have come to represent the new “normals” of our changing climate.
La Niña conditions are still present in the tropical Pacific, but they're weakening. Our blogger gives you the rundown on all things La Niña.
Spring means only one thing at the ENSO Blog: it's time to verify the Winter Outlook! So how did things turn out? Read on to find out.
There's a 60% chance that ENSO-neutral conditions will return this spring. Our blogger covers the forecast, and what "average" really means.
A rapidly warming stratosphere and swirling polar vortexes, oh my! What is going on so far this winter? Three stratosphere experts help us sort it out.
La Niña's here through winter, but chances for ENSO to transition to neutral by spring are rising.