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Cloud spotting
The Met Office has a station in Cambourne, Cornwall, which is where I went for two weeks in August 1998, to learn how to do meteorological observations.

I drove down with George, who was going to work as a meteorologist at Rothera reseach station on the Antarctic Peninsula. We were joined by Steve and Jon our instructors.

For the first few days we had gorgeous weather - perfect for sunbathing on the beach but useless in terms of learning the codes for clouds and weather. It did eventually rain, and we got some fantastic clouds to code.

The main thing we had to learn was how to convert cloud types like stratus, altocumulus and cirrus and weather types like fog, rain and showers into a number - a code which then gets sent to the the Met Office in Bracknell. It was not as easy as it sounds - the clouds in the sky rarely seemed to resemble the photographs in our book. Clouds can be very chaotic and if there are many layers then there are rules as to which clouds to code first. And, as if it wasn't hard enough, the entire observation - including reading the barometers and thermometers- had to be done in less than 15 minutes.

It was helpful but of course there is no snow in Cornwall in August - so I had to wait to get to Antarctica to learn how to code phenomena like snowfall, rime and sea-ice.

Clouds in Cornwall
Sunny day in Cornwall
Clouds on the Antarctic Peninsula
Sunny day in Antarctica

Minus 53 degrees celsius
A thermometer measures ambient temperature. They are kept in a wooden box called a Stevenson Screen so that sunlight doesn't heat them up.

Maximum and minimum thermometers show the highest and lowest temperatures that the thermometer has experienced since it was last reset. To reset a max. or min. thermometer you gently shake the thermometer until the mercury is back down in the bulb.

Some of our max. and min. thermometers in Antarctica got broken because when we shook them they slipped out of our icy gloves.

The coldest temperature I experienced was minus 53 degrees celsius.

Copyright: Alexandra Gaffikin Last updated 12th July 2006