Mr. Climate T-shirt
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mrclimatetshirt.bsky.social
Mr. Climate T-shirt
@mrclimatetshirt.bsky.social
I'm a retired computer scientist, whose superhero secret identity is
"Mr. Climate T-shirt."

Helping my son with his science project, interested me in the science of, and the politics of, global warming.
https://www.eastcountymagazine.org/print/24246
Satellites can clearly detect global warming from hundreds of miles up while they are speeding by at 6 or 7 miles a second. Why can't liars for hire paid by a fossil fuel industry front group sense the same warming with their feet on the ground?
June 13, 2025 at 8:20 PM
Very good article on the mechanics of, the launching of, and the politics of Radiosonde weather balloons in today's WaPo.

Data from these instruments are useful for understanding climate change from a vertical perspective. (Attached is my graphic.)
www.washingtonpost.com/climate-envi...
May 26, 2025 at 12:43 PM
The rate of the warming from CO₂ Greenhouse Effect is:
-faster in the Winter than the Summer,
-faster on land than the sea, and
-faster in the Northern Hemisphere than the Southern.
These were correctly predicted by Arrhenius in his 1896 climate paper.
May 14, 2025 at 10:24 PM
A SLOWLY COOLING SUN
DID NOT QUICKLY WARM THE EARTH.
(Please see the green line.)
Posted to counter fossil fuel industry shills who blame global warming on the Sun, instead of CO₂ from fossil fuel burning.
April 3, 2025 at 3:34 AM
New temperature data are in.
To paraphrase the title of a 1967 hit song from Sonny & Cher,
"THE HEAT GOES ON."
March 13, 2025 at 12:05 AM
From graduate school internships to young scientist programs, Trump's budget cuts are holding back the next generation of scientists. Below, this year's program at the US National Weather Service is canceled.

Mr. Climate T-shirt, AKA Roger Coppock
March 5, 2025 at 5:36 AM
Latest Total Solar Irradiance data are in at Physical Meteorological Observatory in Davos (PMOD)-World Radiation Center (WRC). These data say,
"A slowly cooling Sun, didn't quickly warm the Earth."

When deniers blame a warming Sun for global warming,
they are wrong. It's CO₂.
February 24, 2025 at 1:20 AM
CO₂ and Global Mean near Surface Temperature go together, because:
-rising CO₂ causes rising GMnST,
-rising GMnST causes rising CO₂,
-something is raising both CO₂ and GMnST, or
-the guy in the funny T-shirt is a space alien who has hypnotized you.
(Sorted from most likely to least!)
February 12, 2025 at 5:34 PM
January GISTEMP Data are in!
More than a decade ago, I first wore a T-shirt showing the exponential rise in the NASA GISTEMP global temperature. Many people, even some scientists, said I was being extreme.
Now, it looks like my exponential curve fit maybe wasn't radical enough.
February 12, 2025 at 5:29 PM
In the real world,
outside the fossil fuel industry's spin and lies,
global mean near-surface temperatures continue to rise.
- - - - -
Latest global data from Japan:
January 6, 2025 at 9:22 PM
Keeling's Curve
Latest atmospheric CO₂ concentration data show the EXPONENTIAL RISE (Homoignoramus burning fossil carbon) with the yearly cycle. (More land in N Hemisphere.)
There is also a daily cycle, which is not shown here. (Plants need sunlight to photosynthesize.)
January 6, 2025 at 8:06 PM
2025 yearend RATPAC Radiosonde (Weather Balloon) data are in.
They show a warming ground level and a cooling Stratosphere. Which the Greenhouse Gas theory explains. GHGs divert infrared heat from the Stratosphere, cooling it, and send the heat to the ground, warming it.
January 6, 2025 at 4:35 AM
C L I M A T E C R I S I S ! !
NASA GISTEMP data for the month of November, 2024, are in.
An exponential tangent of 3.5 K per century!!
An exponential tangent of 3.5 K per century!!
That is climate crisis! That is climate crisis!
December 12, 2024 at 2:35 AM
How does a young man who has to share a Youth Hostel room with 2 or 3 other people afford a pistol costing 2 to 3 thousand dollars?
December 6, 2024 at 3:00 AM
How does a young man who has to share a Youth Hostel room with 2 or 3 other people afford a pistol costing 2 to 3 thousand dollars?
December 6, 2024 at 2:57 AM
EVIDENCE THAT CO₂ CAUSES WARMING
CO₂ actually "caught in the act!"
Satellites measure CO₂ in the act of scattering infrared radiation and warming our planet. (42,105,460 satellite measurements are shown below.) Ground measurements of this fact are a half century old.
December 5, 2024 at 8:28 PM
Two views of the latest sea surface temperature data:
Graph 1: Look at the last few decades and the exponential tangent!
Chart 2: Look at the blue area South of Greenland and the red area SouthEast of Newfoundland. Then, say, "Atlantic Meridional Overturning Circulation (AMOC)."
December 4, 2024 at 2:07 AM
Two views of the latest sea surface temperature data:
Graph 1: Look at the last few decades and the exponential tangent!
Chart 2: Look at the blue area South of Greenland and the red area SouthEast of Newfoundland. Then, say, "Atlantic Meridional Overturning Circulation (AMOC)."
December 4, 2024 at 2:04 AM
The world is warming EXPONENTIALLY. This can't go on forever. Something will break, eventually. Human civilization will not fair well while this happens.
November 19, 2024 at 8:11 PM
Arrhenius 1896 predicted that the high latitudes would warm fastest. Today's observations confirm the prediction.

After correctly predicting that land would warm faster that water surfaces, Arrhenius noted that the Northern Hemisphere had more land than the Southern Hemisphere.
November 17, 2024 at 6:22 AM
Hello from Mr. Climate T-shirt!
After helping my son with his science project, I became interested in the science of, and the politics of global warming.
www.eastcountymagazine.org/birth-climat...
November 17, 2024 at 12:16 AM