El Niño
4.0°C Above Normal: Japan's El Niño Record Depends on Which Index You Read
Japan's gauge broke a 1997 record in September. NOAA's official measure, which strips out the warming of the whole tropical ocean, is still short of its 1983 high, and that gap shapes what this winter can expect.
Isaias Came Within Hours of 1905's Latest-First-Hurricane Record
In the UTC time the hurricane record uses, Isaias was upgraded three and a half hours after 1905's first hurricane. Wind shear, El Niño's brake all season, now hinges on a trough as Isaias nears the Gulf Coast and Rachel heads for Southern California.
Why a Strengthening El Nino Points to a Quieter 2026 Hurricane Season
NOAA gives the 2026 Atlantic season a 55% chance of running below normal, largely because of a strengthening El Nino. The forecast comes with an explicit caveat: it only takes one storm.
India Logs Its Fifth-Driest June Since 1901 as Monsoon Lags
Rain ran nearly 40% below normal for the month, with no low-pressure systems forming and El Nino building, before the monsoon finally turned toward Delhi.
NOAA Declares El Niño and Puts 63% Odds on a 'Very Strong' Event
The Pacific has flipped into its warm phase, and the agency’s new measuring stick says this one could be big. Here is what an El Niño winter usually brings.