2025 isn’t just the current year, or a Heritage Foundation project of conservative principles for political action for the new Republican President. In the 1990s it was also the result of an Air Force directive to “examine the concepts, capabilities, and technologies the United States will require to remain the dominant air and space force in the future“.As a partial response to that directive, several students at the Air War College in 1996 produced a document, largely theoretical in … [Read more...]
UAH v6.1 Global Temperature Update for March, 2025: +0.58 deg. C
The Version 6.1 global average lower tropospheric temperature (LT) anomaly for March, 2025 was +0.58 deg. C departure from the 1991-2020 mean, up from the February, 2025 anomaly of +0.50 deg. C.The Version 6.1 global area-averaged linear temperature trend (January 1979 through March 2025) remains at +0.15 deg/ C/decade (+0.22 C/decade over land, +0.13 C/decade over oceans).The following table lists various regional Version 6.1 LT departures from the 30-year (1991-2020) average for the last 15 … [Read more...]
Hey, EPA, Why Not Regulate Water Vapor Emissions While You Are At It?
Some BackgroundI will admit that the legal profession mystifies me. Every time I say anything related to environmental law, one or more lawyers will correct me. But I suppose “turnabout is fair play”, since I will usually correct any lawyers about their details describing climate change science.Lawyers aren’t like us normal people. Their brains work differently. I first suspected this when one of my daughters took the LSAT and gave me examples of questions, most of which my brain was not wired … [Read more...]
Reasons Why Regulating CO2 Emissions Needs to be Reconsidered
March 7, the Washington Post reported the EPA Administrator is considering recommending to the White House that the EPA’s 2009 CO2 Endangerment Finding be rescinded. Let’s look at a few of the reasons why this might be a good thing to consider.The ScienceThe science of human-caused climate change is much more uncertain that you have been led to believe. The globally-averaged surface temperature of Earth seems to have warmed by 1 deg. C or so in the last century. The magnitude of the warming … [Read more...]
UAH v6.1 Global Temperature Update for February, 2025: +0.50 deg. C
The Version 6.1 global average lower tropospheric temperature (LT) anomaly for February, 2025 was +0.50 deg. C departure from the 1991-2020 mean, up a little from the January, 2025 anomaly of +0.45 deg. C.The Version 6.1 global area-averaged linear temperature trend (January 1979 through February 2025) remains at +0.15 deg/ C/decade (+0.22 C/decade over land, +0.13 C/decade over oceans).The following table lists various regional Version 6.1 LT departures from the 30-year (1991-2020) average for … [Read more...]
NC Floods, CA Drought, and The Role of Randomness
The recent devastating floods in western North Carolina were not unprecedented but were certainly rare. A recent masters thesis examining flood deposits in the banks of the French Broad River over the last 250-300 years found that a flood in 1769 produced water levels approximately as high as those reported in the recent flood from Hurricane Helene. So, yes, the flood was historic.Like all severe weather events, a superposition of several contributing factors are necessary to make an … [Read more...]
Florida Major Hurricanes, 1900-2024: What Do the Statistics Show?
Florida residents must feel like they have been taking a beating from major hurricanes in recent years, but what do the data show?The problem with human perception of such things is that the time scale of hurricane activity fluctuations is often longer than human experience. For example, a person born in the 1950s would have no memory of the beating Florida took in the 1940s from major hurricanes (a total of 5). But they would have many memories of the hurricane lull period of the 1970s and … [Read more...]
Awaiting the Death of Climate Skeptics
This blog received the following comment from our alarmist friend David Appell, freelance writer:“Roy, nobody who is serious about climate change takes you seriously. You’re a denier who has made too many mistakes. No one who knows anything is going to bother commenting here–they upset you so much that all you can think to do is block them.You long ago left the realm of science. As they say, science advances one funeral at a time. Nobody believes your time series anyway. You did that to … [Read more...]
UAH Global Temperature Update for September, 2024: +0.96 deg. C
The Version 6 global average lower tropospheric temperature (LT) anomaly for September, 2024 was +0.96 deg. C departure from the 1991-2020 mean, up from the August, 2024 anomaly of +0.88 deg. C.The linear warming trend since January, 1979 remains at +0.16 C/decade (+0.14 C/decade over the global-averaged oceans, and +0.21 C/decade over global-averaged land).The following table lists various regional LT departures from the 30-year (1991-2020) average for the last 21 months (record highs are in … [Read more...]
UAH Global Temperature Update for August, 2024: +0.88 deg. C
The Version 6 global average lower tropospheric temperature (LT) anomaly for August, 2024 was +0.88 deg. C departure from the 1991-2020 mean, up slightly from the July, 2024 anomaly of +0.85 deg. C.Persistent global-averaged warmth was (unusually) contributed to this month by the Southern Hemisphere. Of the 27 regions we routinely monitor, 5 of them set record-warm (or near-record) high monthly temperature anomalies in August, all due to contributions from the Southern Hemisphere:Global land: … [Read more...]
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