COM-funded Arctic indicators shed light on changes in extreme events 26 August 2020

COM-funded Arctic indicators shed light on changes in extreme events

Arctic change is generally discussed with average changes, but extreme events and changes to extremes are felt the most by humans and ecosystems.

Hot and Cold: New study compares how well atmospheric reanalysis products identify extreme temperature events across North America 26 August 2020

Hot and Cold: New study compares how well atmospheric reanalysis products identify extreme temperature events across North America

This is the first North America-focused study to investigate how well and how consistently reanalysis datasets identify extreme temperature events.

Atmospheric dynamics drive most interannual U.S. droughts over the last millennium 19 August 2020

Atmospheric dynamics drive most interannual U.S. droughts over the last millennium

Analysis of the last millennium reanalysis climate reconstruction shows a clear connection between Southwest drought and La Niña sea-surface temperature patterns. However, this pattern only explains a small part of the variability associated with past U.S. droughts.

Two new indicators help track climate change 19 August 2020

Two new indicators help track climate change

Researchers highlight the significance of examining trends in large-scale weather patterns using these new indicators since they reflect near surface conditions, are key drivers of extra-tropical weather, and are important regulators of human comfort for approximately half of the world’s population.

COM Program-funded study helps improve understanding of how climate change may impact ENSO 29 July 2020

COM Program-funded study helps improve understanding of how climate change may impact ENSO

El Nino Southern Oscillation (ENSO)-driven variations in sea surface temperatures over the tropical Pacific play a major role in seasonal rainfall changes in the United States and in driving weather and climate around the world. However, little is known about how ENSO will respond to anthropogenic changes in Earth’s climate.

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Americans’ health, security and economic wellbeing are tied to climate and weather. Every day, we see communities grappling with environmental challenges due to unusual or extreme events related to climate and weather.