Recipe for calamity

Feature Story

The ingredients of a horrific tornado outbreak

Wave cloud

UCAR Digital Image Library

Torres del Paine National Park, Chile

Matthew Kelsch

Profiles in Science

Dealing with real-world weather problems

Computational & Information Systems Laboratory

Site Spotlight

Supporting the geosciences with supercomputing, data, and advanced mathematics

NCAR & UCAR News

Map of upper Midwest with dark blue areas of potentially severe icing

Aviation safety: New computer tool forecasts icing hazards

April 12, 2011

FIP-Severity provides 12-hour icing forecasts to pilots and forecasters on the likelihood of encountering dangerous in-flight icing conditions.

Climate change poses major risks for unprepared cities

April 6, 2011

Cities worldwide are failing to take necessary steps to protect their residents from the likely impacts of climate change.

News from UCAR Members & Affiliates

The mass of debris stretches for miles off the Honshu Coast

Researchers predict tsunami debris from Japan to hit Hawai'i shores twice

The huge tsunami triggered by the 9.0 Tohoku Earthquake destroyed coastal towns, washing such things as houses and cars into the ocean. Projections of where this debris might head have been made.

University of Hawaiʻi at Mānoa

The dark side of spring? Pollution in our melting snow

With birds chirping and temperatures warming , spring is finally in the air. But for University of Toronto Scarborough (UTSC) environmental chemist Torsten Meyer, springtime has a dark side.

University of Toronto

Currents

From supercomputers to village healers: Health research takes scientists far afield

David Hosansky | 27 April 2011 • Andrew Monaghan used to spend his time analyzing mathematical models of climate change in Antarctica, working on some of the world’s most powerful supercomputers. Now the NCAR scientist sits down with traditional...

Recipe for calamity: The ingredients of a horrific tornado outbreak

Bob Henson | 28 April 2011 • The devastating rash of tornadoes that swept through the southeast United States on 27 April has already carved its way into the annals of twister history. A total of more than 160 tornadoes was reported in the...

Research in Brief

A map of the globe with atmospheric circulation patterns labeled.

Ozone recovery and greenhouse gases in the Southern Hemisphere

April 26, 2011 | A new study in Geophysical Research Letters looks at how the anticipated recovery of the ozone hole over Antarctica and simultaneous increase in greenhouse gas concentrations will combine to affect weather and climate in the Southern Hemisphere. It concludes that over the coming half century, ozone recovery will result in a nearly complete cancellation of the effects of increased...

Alaska Natives in a boat on the river with a moose they've just killed.

Interior Alaska: Subsistence hunting in a warming world

April 8, 2011 | Alaska is among the fastest-warming places on Earth, with its interior region warming the most statewide. A study by NCAR’s Shannon McNeeley looks at the vulnerability to climate change of rural native communities in the Koyukuk-Middle Yukon region, with an emphasis on how warming temperatures affect the ability to hunt and harvest critical subsistence foods, particularly moose.