UW News

Dennis Hartmann


October 25, 2023

UW experts offer hot takes on El Niño, weather and ocean temperatures

map of global oceans with red spots in Pacific Ocean and Atlantic Ocean

Five University of Washington experts comment on the current El Niño, its effect on Pacific Northwest winter weather, as well as on regional and global ocean temperature trends.


November 4, 2022

Two College of the Environment faculty recognized by American Geophysical Union

block W

Two UW College of the Environment professors, Ginger Armbrust and Dennis Hartmann, will be honored at the 2022 American Geophysical Union Fall Meeting in December.


June 17, 2021

Interim deans named in UW College of the Environment and University Libraries

University of Washington Provost Mark A. Richards has announced interim deans for both the College of the Environment and University Libraries.


August 1, 2016

Twelve UW faculty elected to the Washington State Academy of Sciences

A dozen scientists and engineers from the University of Washington have been elected to the Washington State Academy of Sciences. According to a statement released by the organization, the new members were selected for “their outstanding record of scientific achievement and willingness to work on behalf of the academy in bringing the best available science…


May 3, 2016

Dennis L. Hartmann elected to National Academy of Sciences

Dennis Hartmann, a UW professor of atmospheric sciences, was elected as a member of the National Academy of Sciences.


April 20, 2016

UW experts call Paris climate agreement ‘bold,’ ‘encouraging’

Eiffel Tower with 'Paris Climate 2015'

As the U.S., China and other countries sign the Paris Agreement to reduce emissions and limit climate change, UW experts talk about the possibilities and risks in what could be a turning point for global economies.


December 9, 2015

Iceland volcano’s eruption shows how sulfur particles influence clouds

lava and big emission plume

The long, slow 2014 eruption of Iceland’s Bardarbunga volcano offers a testbed to show how sulfur emissions, from volcanoes or humans, act to brighten clouds and reflect more sunlight.


July 17, 2015

Marine plankton brighten clouds over Southern Ocean

an image showing clouds and sun.

New research led by the University of Washington and the Pacific Northwest National Laboratory suggests tiny ocean life in vast stretches of the Southern Ocean plays a significant role in generating brighter clouds overhead.


April 9, 2015

‘Warm blob’ in Pacific Ocean linked to weird weather across the U.S.

colored map

A patch of warm water off the West Coast, nicknamed “the blob” by a UW scientist, is part of a larger shift in the Pacific Ocean that may be responsible for widespread weather changes.


September 30, 2013

UW researchers helped draft international assessment of climate change

Graphic of IPCC report depicts temperatures at the end of the 21st century.

UW faculty members were among international researchers who compiled the fifth climate-change assessment report. The UW will host a seminar Tuesday, Oct. 1 with some of the Seattle-area authors.