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A relatively warm November
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     The weather of November 2014 was overall cloudier yet warmer than usual. The mean temperature for the month was 22.6 degrees, 0.8 degrees above the normal figure of 21.8 degrees. Despite more clouds and less sunshine, the total rainfall of 31.1 millimetres recorded in the month was about 17 per cent below the normal figure of 37.6 millimetres. The accumulated rainfall since January 1 this year was 2,593.6 millimetres, about 9 per cent above the normal level of 2,371.7 millimetres for the same period.

     The month started off with mainly fine and warm weather in Hong Kong. A cold front formed over the northern part of southern China and crossed the coast of Guangdong on November 2. The northeast monsoon behind the cold front brought cloudy and cooler weather as well as light rain patches to Hong Kong in the next couple of days. With further replenishment of the northeast monsoon, the weather remained generally cloudy with a few rain patches until November 14.

     After some early morning rain on November 15, the arrival of a dry easterly airstream finally cleared the clouds during the day. Under the influence of the dry continental air mass, the weather remained generally fine till November 25. A replenishment of the northeast monsoon brought the temperatures at the Hong Kong Observatory down to a minimum of 18.1 degrees on the morning of November 18, the lowest of the month.

     As a weakening cold front approached the south China coast, cloudy weather returned on November 26 with the strengthening of easterly winds. The weather also became slightly cooler with a few rain patches on November 27. Under the influence of a moist easterly airstream, it remained generally cloudy with a few light rain patches till the end of the month.

     Two tropical cyclones occurred over the South China Sea and the western North Pacific in the month.

     Details of issuance and cancellation of various warnings/signals in the month are summarised in Table 1. Monthly meteorological figures and departures from normal for November are tabulated in Table 2.

Ends/Tuesday, December 2, 2014
Issued at HKT 17:44

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