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Fragrant Harbour A forum for the large number of pilots (expats and locals) based with the various airlines in Hong Kong. Air Traffic Controllers are also warmly welcomed into the forum.


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Old 26th Feb 2013, 12:40   #1 (permalink)
 
Join Date: Feb 2013
Location: Geostationary Plaza
Posts: 17
MET Question - HK

Hey guys and girls,

A quick question, not really that important but just out of interest: over the last months I have noticed, that during daytime (0300z - 0500z) the wind direction at the airport will change from an easterly to a (north)-westerly, with another reversal back to an easterly wind around 1000z, even if the HK Observatory is generally forecasting an easterly wind for HK.

Land sea breeze effect or some other local phenomena? Sorry, if it sounds "met-geekish", but just an honest question!

Nippi 2000
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Old 27th Feb 2013, 05:12   #2 (permalink)
 
Join Date: Sep 2000
Location: Second star on the left
Posts: 102
Add 8 hours to get local time so I guess that you have answered your own question with Sea Breeze
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Old 27th Feb 2013, 23:37   #3 (permalink)
 
Join Date: Jun 2008
Location: Toronto
Posts: 218
http://www.weather.gov.hk/aviat/articles/tn096.pdf

Just don't start reading when you are tired.....zzzzzzzzz!
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Old 28th Feb 2013, 09:22   #4 (permalink)
 
Join Date: Aug 2007
Location: in the training office
Posts: 190
That explains the naps Cabe!


Posted from PPRuNe.org App for Android
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Old 28th Feb 2013, 15:19   #5 (permalink)
 
Join Date: Feb 2013
Location: Geostationary Plaza
Posts: 17
Hey guys, thanks! Good article, too.


Really appreciate that!
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Old 1st Mar 2013, 07:55   #6 (permalink)
 
Join Date: Aug 2008
Location: Polar Route
Posts: 810
And you thought the Boeing vs Airbus threads were boring.
cxorcist is offline   Reply
Old 1st Mar 2013, 08:57   #7 (permalink)
 
Join Date: Aug 2007
Location: in the training office
Posts: 190
Just like this one zzzzzz?
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Old 1st Mar 2013, 10:13   #8 (permalink)
 
Join Date: Nov 2001
Location: uk
Posts: 1,112
As the sea breeze came in we could get at the 07 thresholds a 10 kt tailwind,and at the 25 thresholds also a 10 kt tailwind.In the middle flat calm.Just lasted a short time until the sea breeze settled.
throw a dyce is offline   Reply
Old 1st Mar 2013, 12:18   #9 (permalink)
 
Join Date: Sep 2007
Location: Canada
Posts: 45
Met Briefing

Could someone who is going to see the session in the CX Auditorium ask them why they continually misreport the wx in Hong Kong.

It never ceases to amaze me how the weather can be few and sct with not a sign of blue sky anywhere. Does someone get a bonus if the wx is better or what?
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Old 1st Mar 2013, 13:30   #10 (permalink)
 
Join Date: Nov 2007
Location: Hong Kong
Posts: 219
HKG SA-METAR/TAF

Couple of issues here.

1. HKG Observatory is the service provider. Typical HKG Government working practices apply, with "job for life" and "don't stick your neck out" attitudes.

2. They are only reporting for a very small area. It is either a 3 or 5 km radius (I can't remember.... anyone with better info please post with your source). So during the summer it can be obvious to everyone that there will be a massive CB on a 5-10nm final for 25 during the afternoon. However, the Observatory have no remit to include that in their forecast.

3. There are now so many additional sources of weather at our finger-tips. Look at radar pictures etc!
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Old 1st Mar 2013, 13:40   #11 (permalink)
 
Join Date: May 2009
Location: HKG
Age: 37
Posts: 827
So look at a picture before you leave the hotel in New York, what do you do 18 hours later when approaching HKG?
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Old 3rd Mar 2013, 00:49   #12 (permalink)
 
Join Date: Sep 2000
Location: Second star on the left
Posts: 102
Devil

Fall asleep under the current system from what I read. zzzzzzz

Heads Down, look out for the flack
Cabe LeCutter is offline   Reply
Old 5th Mar 2013, 12:29   #13 (permalink)
 
Join Date: Aug 2007
Location: in the training office
Posts: 190
Quote:
Originally Posted by jonathon68:7720764
It is either a 3 or 5 km radius (I can't remember.... anyone with better info please post with your source)
From Wiki and others
http://en.m.wikipedia.org/wiki/Terminal_aerodrome_forecast
5 statute miles
Back to sleep now...
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Old 13th Mar 2013, 02:30   #14 (permalink)
 
Join Date: Aug 2005
Location: Sihanoukville
Age: 42
Posts: 15
HKO

After living in HK for sometime I have 2 opinions on HKO.

1) They have warnings for just about everything and can only think of a few times where there has not been a warning up.

2) I am of the opinion that to do the forecast they simply stick head out of window followed quickly by a licked finger.
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