Scientist: "warm spells" due to global warming
"Warm spells" are distinct from heat waves, and may be a global warming indicator. (Marlana Shipley)
This is David Easterling. He’s Chief of the Scientific Services Division at the National Climatic Data Center in Asheville, North Carolina.
David Easterling: One of the things that I’ve been looking at recently are what I call “warm spells.” In the summertime, it would be a heat wave, but in the wintertime, you might think of it as January thaw, or an early spring. This is a period of at least three days or more where temperatures are elevated. If you look at what happens in some of the climate model simulations for the 21st century, what happens is that these warm spells become much, much more common and they increase in length. We’ve seen some of this in the observed record in North America, where we are seeing an increase in the number of unusually warm days, especially in the wintertime and the springtime.
Easterling is one voice among thousands in the scientific community who are now speaking out strongly about the reality of human–caused global warming.
David Easterling: I’d just like to leave the public with the thought that global warming is real. We have certainly seen increases in temperature over the past 100 years, and especially in the last 30 years. The scientific community is at least in large part convinced that it’s mainly due to human activities. And it’s something that I think needs to be taken seriously.
Our thanks today to NOAA – the National Oceanic and Atmospheric Administration.
Is HAARP having any effect on our weather?
Dear Wesley Novak,
Please consider participating in a webcast later this month. For details, please see the information below.
In response to the alarming analyses of global climate change and related realities, and in recognition of the enormous impact the built environment has on rising global temperatures, an alliance of concerned professionals, including the American Institute of Architects, the New York Academy of Sciences and many more, are hosting a free, live, interactive web-cast on February 20, 2007 from 9 am to 12:30 pm California time (Noon-3:30 pm EST).
This is an example of the use of communication technology to support an emerging self organizing system – a new, decentralized configuration of institutions and individuals engaged in beginning the work of creating sustainable systems on the planet. Please scroll through the very large number of universities, businesses, government agencies and individual citizens in all 50 states and many countries who have responded to this opportunity to learn something relevant to our survival as a species.
To see for yourself, go to http://www.2010imperative.org/participantList.php
To register: http://www.2010imperative.org/register.php#form2
Please pass the word.
*
Speakers
Dr. James Hansen, NASA GISS
Edward Mazria, AIA, Architecture 2030
Chris Luebkeman, Arup
Susan Szenasy, Metropolis Magazine
To register:
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For background on why this is an emergency, see Ed Maseria’s video presentation found here:
http://www.architecture2030.org/media/index.html
THE 2030 CHALLENGE
Slowing the growth rate of greenhouse gas emissions and then reversing it over the next ten years will require immediate action and a concerted global effort. As Architecture 2030 has shown, buildings are the major source of demand for energy and materials that produce by-product greenhouse gases. Stabilizing emissions in this sector and then reversing them to acceptable levels is key to keeping global warming to approximately a degree centigrade (°C) above today’s level. Learn more at:
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To successfully impact global warming and world resource depletion, it is imperative that ecological literacy become a central tenet of design education. Yet today, the interdependent relationship between ecology and design is virtually absent in many professional curricula. To meet the immediate and future challenges facing our professions, a major transformation of the academic design community must begin today. To accomplish this, The 2010 Imperative calls upon this community to adopt, beginning in 2007, add to all design studio problems that: “the design engage the environment in a way that dramatically reduces or eliminates the need for fossil fuel.” Learn more about the 2010 Imperative at:
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Always,
Steve
Wesley,
You asked about HAARP ... I had never heard of this research program, but I did read about it on the internet. Here’s the HAARP home page. I don’t know the specifics of what this research program does, but I suspect it does not have any effect on our weather.
Best,
Deborah