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Recent Articles

Cult of Stupidity: Naming Names

Jennifer Marohasy. Remember that name, especially if you’re Australian. In a recent blog post she decides to name names: It is not disputed that Blair Trewin under the supervision of David Jones (both working at the Australian Bureau of Meteorology)…

Scientist Strike for Climate

I saw a story about a professor at Indiana University who was arrested for joining Jane Fonda’s “Fire Drill Fridays” climate protests. How about us? How many of us are scientists and (unlike me) physically able to march? I did…

Stupidest Climate Denier Comment Ever?

… came from Eric Worrall at the WUWT blog. He objects to claims that wilfire/bushfire will become worse in the future, even horrific. He objects that there’s just not enough trees to burn! To quote him exactly: “Not only would…

Ranges Overlap

In the last post I mentioned that when we have two different estimates, each with its own uncertainty range (note: I use the 95% confidence interval almost all the time, or to be precise the ±2σ range), the fact that…

Australia Rain: Seasonal by State

I recently looked for trends in precipitation in New South Wales, searching for a regional rather than continental trend. There wasn’t much to find, no real evidence of change in the yearly average rainfall. But we can also look for…

Australia: Choose your Future

In recent posts I’ve featured graphs of the average daily high temperature in Australia during summer. Here’s one of temperature throughout the entire year; black dots show each year’s average, while the red line with pink shading around it shows…

Bushfire and Homophobia

One of the things making wildfire/bushfire worse, contributing to the current conflagration in Australia, is the increase of daily high temperatures. It increases the Vapor Pressure Deficit (VPD), the difference between how much water vapor the air can hold and…

Precipitation Trend in New South Wales

Comments on the last post speculated that rainfall in Australia might show a trend if one looked at smaller regions than the entire continent. In particular, some wondered about the history of precipitation in New South Wales (NSW, one of…

Zero Hour in Oz: THIS IS CLIMATE CHANGE

The bushfire season in Australia has been horrific. More horrific than any before. Axios offers a glimpse of what people are going through, while Metro reports that it has affected wildlife too — wildfires killing almost half a billion animals.…

Silent Night

Australia has endured its hottest day ever recorded, as hundreds of violent bushfires continue to rage across the country. Aboriginal people in Alice Springs say global heating threatens their survival The town had 55 days above 40C in the year…

One class act to another

.@GretaThunberg, don’t let anyone dim your light. Like the girls I’ve met in Vietnam and all over the world, you have so much to offer us all. Ignore the doubters and know that millions of people are cheering you on.…

Second-Least-Cold Year

At the risk of repeating myself, I’ll repeat myself. Global temperature is a combination of trend and fluctuation. The fluctuations make it jitter about from year to year (or month to month, or day to day, or whatever), but the…

How Deniers Deny

Kip Hansen is so peeved at the New York Times for their recent article about global warming accelerating, that he posts at WUWT denying any and all acceleration claimed in the article. His “rebuttal” is riddled with mistakes and falsehoods,…

Making “Adjustments” to Temperature Data

Anthony Watts seems proud of himself, having posted his presentation at the recent “anti-climate” conference of the “Heartland Institute.” He talks mainly about the fact that temperature data are often adjusted before including them in forming a global (or regional)…

The Thermometer is Melting

Ice is one of nature’s thermometers, telling us whether or not the temperature of water is above or below 0°C (32°F). When things get hotter, it melts more and faster; when things cool down, water can freeze and ice accumulate.…

Winter is Here

The arrival of December marks the beginning of climatological winter (astronomical/calendrical winter begins Deceber 21st this year). We in the USA have seen some cold winters recently, especially in the northern midsection of the country. I was looking at temperature…

European Heat Waves

Those of us who follow such things, know that Europe has been hit with two killer heat waves since the year 2000. Super-killer heat waves. The first, in 2003, covered much of western Europe and led to about 70,000 deaths…

Climate Models

How well have climate models forecast global temperature? I took the data for global average temperature from climate model simulations in the CMIP5 archive; those are computer models used in the latest IPCC report. I used only those models with…

Summer is Coming

Winter is coming to New England, but in Australia, the land down under, December heralds the beginning of summer. As recently as 2013 they suffered through the “angry summer,” bringing Aussies endless problems while breaking the previous continent-wide summer temperature…

Back to Basic Climate Denial

Thomas K. Bjorklund has a post at WUWT which tells us a lot about the level of “science” at that blog. He reveals his theme early: The discussion below of the first derivative of a temperature anomaly trendline shows the…