For the first time in a long time we have snow. For one day – it will melt around noon – and only one to two centimetres, but nonetheless it is always breathtaking to see the world change overnight if you are not really accustomed to snow.
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Sites which carry the Fire Weather Index pwsFWI
This blog message contains a list of sites, which carry the pwsFWI Fire Weather Index. Please look here for more information, or look here for it’s distribution location on the Cumulus support forum. Look here for its scientific background. Check out the map as well for stations carrying CumulusUtils.
Continue readingPWS – Calibrations: UT330C
For amateur meteorologists it is not always easy to calibrate their equipment, unless you yourself are working at a meteorological service or know people who do, it can be difficult to get the readouts correct within the limits of error of the weather station. I described this already a short time ago.
The UT330C
So now I have this new UT330C. I bought it in China and it arrived pretty fast (11 days). It measures temperature, humidity and pressure within reasonable error limits: Continue reading
PWS – Calibrations
The Davis Vantage PRO 2+, the hardware which forms the basis of the PWS De Wilgen is not a measurement device without flaws. As any measuring device – a thermometer, hygrometer etc… – it requires calibration and a calibration needs to be checked regularly. I use two types of calibration.
Weerstation – De Wilgen
Nadat ik in 2013 mijn weerstation door omstandigheden had afgebroken, kwam ik pas in augustus 2018 op een plek waar ik het weer op kon bouwen en dat gebeurde uiteindelijk pas eind voorjaar 2019. Op 11 juni had ik de hele technische sequentie op orde en was het station live: om 15u38 ‘s middags verscheen de eerste meting in de logfile. De website volgde op 13 juni en op 24 juni startte ik dit blog.
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