Weather review – October 2014

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Nov 012014
 
Weather review - October 2014

Apart from the remnants of hurricane Gonzalo passing over the country on the 21st, creating a record wind gust for October, the month was decidedly average. Temperatures were slightly above average and rainfall amounts were exactly on average for the month. The maximum temperature in October was 19.1°C at 16:10 on the 3rd, with the minimum temperature being 2.8°C on the 12th at 08:02. This minimum is the lowest temperature since May 3rd when the thermometer fell to 0.6°C. This was also the first ground frost of the 2014/15 season, and the earliest a ground frost has been recorded here. [Read more]

Cold front signals return to normal temperatures

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Oct 042014
 
Cold front signals return to normal temperatures

Throughout September, the weather in the British Isles was dominated by high pressure and a jet stream situated to the north of the islands. The jet stream’s position blocked the colder air from the Arctic from sinking over the country keeping the temperature several degrees above normal. September’s average temperature was 0.7°C above normal, and this continued over the first three days of October, which also had temperatures above normal. Despite the cold air block, temperatures in September were not spectacularly high, with a maximum of 21.8°C recorded on the 18th. This is considerably lower than the September record of [Read more]

First and last frost days

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Oct 052013
 
First and last frost days

With winter approaching, now is the proper time to take a look at when frost has arrived at Bracken House since records began in October 2009. There are two types of frosts that are mentioned in weather forecasts, air frost and ground frost. An air frost is when the temperature at a height of about four feet from the ground level falls below 0°C. A ground frost is when the temperature at ground level reaches 0°C. In some cases, a ground frost is recorded when the air temperature is 5°C. In the table below, I have assumed that ground frost [Read more]