Weather Archives - State of the Planet

Found: The Mechanism for Arctic Cold Air Outbreaks into Eurasia

New developments in climate research led by atmospheric scientist Yutian Wu are adding to our understanding of the “polar vortex” and other extreme events.

by |February 28, 2019
Cyclic variations in the energy emitted by the sun have been thought to affect weather patterns in the North Atlantic and the likelihood of storms and floods over Europe. These influences by the sun are insignificant, and could have been due to chance, suggests a new study of the instrumental record and new chemistry-climate model simulations led by Columbia/LDEO scientists. Credit: Shutterstock and NASA’s Earth Observatory.

Debunking the Solar-Cycle/North Atlantic Winter Weather Connection

The North Atlantic Oscillation is a key driver of winter weather patterns over the northern hemisphere. In recent years, research has claimed a correlation between the NAO and the 11-year solar cycle. A new paper debunks that claim.

by |January 22, 2019
temperatures based on climate model

What Are Climate Models and How Accurate Are They?

How past climate data improves our understanding of climate change and helps predict its impacts.

by |May 18, 2018

Bridging the Gap Between Weather and Climate

Andrew Robertson is creating a forecasting system that will help societies adapt and become more resilient to the impacts of climate change.

by |February 21, 2018
blizzard cold snaps

What Do Cold Snaps Have to Do With Climate Change?

Climate scientist Deepti Singh tells the cold truth about the extreme winter weather of the past few weeks.

by |January 13, 2018

Crowd-Sourcing Tornado Data, and Other Climate Talks

From crowd-sourcing tornado data to teaching Harlem high-school students about climate change and climate justice, IRI scientists will share a number of fascinating projects at the annual meeting of the American Meteorological Society

by |January 8, 2016

Historic Hurricane Nears Landfall on Southwest Coast of Mexico

Hurricane Patricia, the strongest hurricane ever observed in either the Atlantic or eastern Pacific, is expected to make landfall on the Southwest coast of Mexico this afternoon and evening as an extremely dangerous Category 5 hurricane.

by |October 23, 2015

El Niño: Resources for Journalists

El Niño is earth’s most powerful climate cycle, influencing weather and affecting crops, water supplies and public health globally. What may be the strongest El Niño ever measured is now getting underway, and is already affecting parts of the world.

by |October 19, 2015

Spontaneous Clumping of Tropical Clouds

If you take a look at nearly any satellite image of clouds in the tropics, you’ll notice that the clouds tend to be organized into clusters. One specific type of cloud organization called “self-aggregation.” Self-aggregation is the tendency of tropical clouds to spontaneously clump together, solely due to interactions between the clouds and the surrounding environment.

by |July 23, 2015

Bad Ozone Days in Western U.S. Linked to Pacific Weather

A new study shows that ozone pollution in the western United States can be increased by La Niña, a natural weather cycle at the surface of the Pacific Ocean. The finding is the first to show that the La Nina-El Nino cycles directly affects pollution.

by |May 12, 2015