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Storm Ciaran and Other Low Pressure Records, Past and Present.

A very good friend and fellow enthusiast forwarded his barograph reading for the end of October and beginning of November which clearly illustrates Storm Ciaran and its aftermath. The rapid pressure drop was recorded on his reliable Short & Mason Micro-Barograph, described in their 1957 trade catalogue as ‘A Barograph with a high degree of sensitivity, the movement of the pen is plainly visible during storms or atmospheric disturbances’

The weekly recording drum is double the size of the standard barograph drum and with a slighter lower pressure range it is therefore much more sensitive to minor pressure changes.




I have one of these for sale on my website. This is a particularly rare example as the movement is housed in a polished mahogany case and was retailed by specialist marine company, Kelvin, Bottomley & Baird of Glasgow.




On the subject of low pressure systems, here's a barograph chart of another violent storm recorded nearly 70 years in December 1954. This instrument was stationed in a display case outside the public library and recorded a low pressure of 28.06” which was confirmed in the extract from the Daily Telegraph.





This barograph is currently under refurbishment and calibration and will be available for sale on my website shortly.

I also have a number of barographs for sale on my website which have records of the infamous storm of October 1987.




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edleymichaud57
16 באפר׳

Hi Richard

Most interesting the meteorological records as traced during storms in UK by your Negretti zambra microbarograph and your friend short and Mason 'Commercial equivalent ' of the open scale barograph as described by C f Casella in their trade catalogue 577 1958.

Also this public barograph of the library an habit during the 1930's to informed the general public.

Regards

Edley

לייק
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