Varmebølge – vi kan mærke det er varmt – men hvad er det vi måler?

Not only has siting of weather stations near urban heat sources have been a real issue for weather measurement stations worldwide, but so maybe has the recently implemented automatic electronic weather measurement instrumentation.

Reports are appearing that the new automatic system may be producing exaggerated temperature readings. For example this may be the case in Germany: read here and here.

[…]

It seems that these new automatic systems are highly sensitive. As reported here at NTZ, one German weather instrumentation expert conducted an 8.5 year side-by-side comparison test of the new automatic electronic temperature measurement system and the former mercury glass thermometer. That test showed that the new automatic thermometers produced a mean temperature for the period that was a whopping 0.9°C warmer than the mercury thermometer. That result could possibly in part explain why Germany’s annual mean temperature jumped by a similar amount from 1985 to 2000, i.e. the period that Germany transitioned over to automatic measurement.

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1 Kommentar

  1. Der er ingen grænser for, hvad socialisterne forsøger sig med, for at holde fast i herredømmet. Enhver praktiker og hæderlig person, ville selvfølgelig ikke afløse et målesystem, der aflæser middeltemperaturer, med et der måler spidstemperaturer. Man ville lave en gennemvist transformation af den ene type data til den anden.

    Nå, men 2014 var det varmeste år nogensinde siger DMI. De Middelmådige Idioter. Hen i ugen falder middeltemperaturen til ca. 12.5 grader – i årets varmeste måned.

    Ud af eussr – ud af fn – ud af alverdens konventioner. Ind med den sunde fornuft.

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