Atmospheric Thermodynamics | South China Morning Post
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  • Jan 28, 2015
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Atmospheric Thermodynamics

Have an ice day

1. Boost your qi

Tuesday, 26 July, 2011, 12:00am

Spring not quite sprung

It might officially be spring but Hong Kong has just experienced an unseasonably cool and dry March. The Observatory said the weather last month was less humid than usual, with mean relative humidity at 71 per cent, 11 per cent lower than average. Rainfall was also 71 per cent lower than normal. The mean temperature was 18 degrees Celsius, 0.9 degrees cooler than usual.

6 Apr 2011 - 12:00am

Observatory's heat warnings do not give accurate temperature

The government has decided on further exemptions for the proposed idling engine law.

A random figure of 33 degrees Celsius has been put forward as the level at which drivers may keep their engines running.

19 Jul 2010 - 12:00am

Shops run dry of dehumidifiers in muggy weather

Shops in the city are running out of dehumidifiers as demand has risen from people trying to get rid of the mould since the early onset of high humidity levels.

Last month was unusually humid, with the relative humidity level at 88 per cent, the highest since 1959 and 10 per cent above normal for this period of the year.

3 Mar 2010 - 12:00am

5pc more runners for next year's marathon

Organisers are planning to increase the entry quota of the Hong Kong Marathon by 5 per cent to a record 63,000 following the overwhelming response this year.

The annual event's 60,000 places were filled only three weeks after applications opened. Although close to 8,000 runners failed to show up yesterday, organisers are confident of attracting more runners next year.

1 Mar 2010 - 12:00am

Three runners critical after collapsing in heat

Three runners were in critical condition in hospital yesterday after warm and humid conditions took a heavy toll on competitors in the Standard Chartered Hong Kong Marathon events.

1 Mar 2010 - 12:00am

Dehumidifier test results fall below manufacturers' claims

Disappointment may await some dehumidifier owners in this cool but humid time of year: their clothes may stay damp despite a long wait.

The Consumer Council has found that the dehumidifying capacity of half of the machines it tested was exaggerated by manufacturers.

13 Feb 2010 - 12:00am

Hospitals face busy period with elderly hit hard by cold, dry spells

Cold, dry days are particularly bad for the elderly, a study has found.

Researchers found that when humidity fell below 70 per cent and the temperature was 12 degrees Celsius or lower, the number of elderly requiring hospital treatment rose by 46 per cent.

13 Nov 2009 - 12:00am

The Wow Factor

Simply organic

Skincare with simple recipes are better for our skin - the fewer the chemicals, the healthier our complexion. Green Tea Water and Bitter Orange Water from Apivita's new organic skincare collection promise to refresh skin in the heaviest humidity with only natural, 100 per cent organic ingredients. Available from all Apivita locations for HK$280.

12 Apr 2009 - 12:00am

Head in the clouds

Shao Yinong made his name in photography; these days he prefers to paint in the clouds. The Qingdao-born lecturer in oils at Beijing's Central Academy of Fine Arts has moved on to a more traditional theme than the haunting Assembly Hall photographs of former Red Guard congregation spaces that made him and his wife Muchen famous.

31 Aug 2008 - 12:00am

This week's question: What's the best summer sport?

Ateeb Waqar , 14

Wakeboarding. It's an awesome sport that requires both strength and balance. Essentially it's surfing while being dragged along by a speedboat. People do all sorts of stunts, but I'm not that good yet.

Maybe if I keep practising...

Jason Yang , 15

17 Aug 2008 - 12:00am


What can be done to reduce the heat-island effect?

The heat-island effect will definitely contribute to global warming and will adversely affect people's health.

As the air quality gets worse we see an increasing number of people suffering from respiratory diseases.

7 Aug 2008 - 12:00am

Showers possible for HK's opening day

According to the Hong Kong Observatory, showers and even heavier rain are not uncommon in the city in August.

Senior scientific officer Leung Wing-mo forecast that the opening day of the equestrian events on Saturday would be overcast, with some precipitation to be expected.

'Hong Kong will be affected by a trough of low pressure after Thursday,' he said.

5 Aug 2008 - 12:00am

Hot weather warnings tied to fewer elderly deaths from strokes

Fewer old people die of heart disease or stroke on days when the Observatory issues very hot weather warnings than on other hot days, and issuing warnings tailored to the elderly may reduce death rates further, an academic says.

1 Aug 2008 - 12:00am

Everything in place to ensure horses can stay cool under pressure

The heat and humidity concerns surrounding the equestrian events stem from the ability of the horses to cope under thermal stress. A horse's ability to sweat and cool itself down is compromised under excessively humid conditions.

17 Feb 2008 - 12:00am