What Causes Heatwaves?

There are only a small handful of stations in Australia with good long term daily temperature records. One is at the Richmond, Queensland Post Office.

That station shows no January/February warming since the 19th century.

Summer temperatures there closely correlate with ENSO cycles. The 2009 La Nina was the coolest Jan/Feb on record there. Subsequent El Nino years have been hot.

I noticed that some of their heatwaves correlate with US heatwaves – in particular 1901, 1913, the 1930s and 1994/1995 – which had extremely hot weather in much of the western US.

What does it mean?  I have no idea, other than the fact that climate scientists seem to have no understanding or interest in doing any actual science. Instead of changing or hiding the data – why not try to understand it?

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7 Responses to What Causes Heatwaves?

  1. Bill in Oz says:

    I looked at this coordinates via Google Earth. And it seems there is nothing there Tony..

    And lots more info about the BOM weather station at Richmond Qld. can be found here : http://www.bom.gov.au/clim_data/cdio/metadata/pdf/siteinfo/IDCJMD0040.030045.SiteInfo.pdf

  2. Gamecock says:

    What Causes Heatwaves?

    Around here, it is a persistent NW wind. Downsloping winds from the Appalachians get very hot. If it lasts for more than a day or two, it is a heatwave.

    A quick look at ‘Richmond’ on Google Earth shows the Gregory Range to the north and east. Perhaps a persistent NE wind would give them a heatwave.

    A persistent wind is weather. Unless it becomes the norm, then it is climate. The prevailing wind here is SW, not NW. Which is fortuitous for us.

  3. John of Cloverdale, WA, Australia says:

    Tony, you may be interested in this climate poster from the Queensland government. It is titled Queensland Extended Wet and Dry Periods 1889-2019, published in June 2019, although all of Australia is graphically illustrated.
    Here is the link:

    Cheers and keep up the good work,

    • James Snook says:

      Great chart. It shows that the climate doesn’t seem to be listening to Al Gore and company.

      Do you know why the Queensland Government produced the chart? Too much to hope that it might have been sent out to schools?

      • John of Cloverdale, WA, Australia says:

        Thanks- found the link from Warwick Hughes blog some time ago.
        Looks like they update the poster periodically. Yes, post the chart on every school geography classroom. I sent the link to Craig Kelly MP and he said the same thing.

  4. Aussie says:

    Thanks Tony, sending a link to my Federal member, Stuart Robert. (our electorate is in QLD here in Australia)

    The LNP need to find their voice and start pushing back on the climate change issue based on science. They won the recent federal election here and are far preferred to the loony Labor party who promised a massive climate change response. But the LNP tactic appears to be “do nothing”, but we have no new coal fired power stations being built here in Australia, only renewable (part time) generation. And a power catastrophy will be with us in a few years if nothing is done. Power prices are already 3 times the US – how far do they have to go before something happens…

    A science based approach like yours is the way to go.

    Thanks again.

  5. Gamecock says:

    As I noted on August 30, a high pressure has become entrenched in the midwest, sending NW winds to the southeast. So we have a heatwave. Could last another week, according to TWC.

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