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KF5JRV > TECH     02.08.16 13:45l 46 Lines 2752 Bytes #999 (0) @ WW
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Subj: FitzRoy’s Barometer
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Sent: 160802/1131Z 7026@KF5JRV.#NWAR.AR.USA.NA BPQK1.4.65

FitzRoy’s Barometer

Back in the day, mercury barometers were very expensive, and only available to 
the wealthy. Unfortunately “wealthyö was not a word that could describe many 
of those who were at the mercy of the weather: farmers, fishermen, sailors, 
and so on. They had to rely on storm glass, an inexpensive and profoundly 
inaccurate divining tool. The fluid in a sealed glass tube consisted of a mix 
of camphor crystals, potassium nitrate, ammonium chloride, water and alcohol. 
From this mixture fluctuating patterns, predictions were made about the 
approaching weather.

In 1831, a tempestuous sea captain named Robert FitzRoy nicknamed “Hot Coffeeö 
set out on a voyage to chart the coasts of South America (you may have heard 
of the voyage of the Beagle: on board was a young naturalist named Charles 
Darwin). FitzRoy had a keen interest in meteorology and attempted to quantify 
the exact nature of storm glass. His observations eventually led to a standard 
script printed on many storm glasses, such as “A cloudy glass with small stars 
indicates thunderstormsö and “If there are crystals at the bottom, this 
indicates frost“.

In October 1859 a huge storm, the greatest in living memory, struck the 
British Isles. The clipper Royal Charter, on her way from Melbourne and packed 
with returning gold miners, was sunk with the loss of 459 lives, as were some 
200 other ships. It was a national disaster. In response, FitzRoy pushed for 
the establishment of weather stations around the nation’s coasts to monitor 
atmospheric conditions. Storm glasses were distributed to fishing villages, 
earning them the name “FitzRoy’s Barometersö. In fact, it was FitzRoy who 
coined the term “weather forecastö in the course of his initiative. Reports 
from the land stations were sent back to London, under the management of the 
newly-formed Meteorological Office. The first weather forecasts published in 
the pages of the Times in 1860, and a system of flying cones in fishing ports 
to warn sailors of approaching gales developed the following year. To this 
day, the Met Office monitors the weather around Britain and issues regular 
warnings to mariners. Originally, the owners of fishing fleets objected to the 
system, as it meant boats were more likely to stay in port, but the fishermen 
themselves welcomed it, and FitzRoy is credited with saving untold lives. One 
of the areas covered in the Shipping Forecast, a stretch of ocean north-west 
of Spain, is designated FitzRoy in honour of the man. Sadly, having secretly 
exhausted his entire fortune in the drive to build a better weather prediction 
system, and battling with depression, FitzRoy committed suicide in 1863.


73, Scott kf5jrv
KF5JRV @ KF5JRV.#NWAR.AR.USA.NA



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