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Automatic Regional Weather Forecast in Hong Kong & Pearl River Delta Region

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Weather Information for South China Coastal Waters

Bulletin issued at 03:02 HKT 07/Nov/2018

At 3 a.m. at the Hong Kong Observatory the air temperature was 24 degrees Celsius and the relative humidity 84 per cent.

The air temperatures at other places were:

King's Park 23 degrees;
Wong Chuk Hang 24 degrees;
Ta Kwu Ling 23 degrees;
Lau Fau Shan 22 degrees;
Tai Po 23 degrees;
Sha Tin 23 degrees;
Tuen Mun 23 degrees;
Tseung Kwan O 23 degrees;
Sai Kung 24 degrees;
Cheung Chau 23 degrees;
Chek Lap Kok 24 degrees;
Tsing Yi 24 degrees;
Shek Kong 24 degrees;
Tsuen Wan Ho Koon 22 degrees;
Tsuen Wan Shing Mun Valley 23 degrees;
Hong Kong Park 24 degrees;
Shau Kei Wan 23 degrees;
Kowloon City 23 degrees;
Happy Valley 24 degrees;
Wong Tai Sin 24 degrees;
Stanley 23 degrees;
Kwun Tong 23 degrees;
Kai Tak Runway Park 24 degrees;
Yuen Long Park 22 degrees;
Tai Mei Tuk 23 degrees.


Note: The data above is provisional. Only limited data validation has been carried out.


Climatological Information for 7 Nov


Local Weather Forecast
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Automatic Regional Weather Forecast in Hong Kong & Pearl River Delta Region

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Bulletin updated at 02:45 HKT 07/Nov/2018

Here is the latest weather bulletin issued by the Hong Kong Observatory.

The northeast monsoon is affecting southern China.

Weather forecast for today

Mainly fine. Temperatures will range between 23 and 27 degrees. Moderate east to northeasterly winds, occasionally fresh offshore at first.

Outlook : Sunny periods on Thursday. Windier towards the weekend.


(The above forecast period is valid up to 23:59 HKT today, 07/11/2018; Regular update at : around 45 minutes past each hour, 16:15 HKT and 23:15 HKT)



MARINE FORECAST
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Marine Forecast

Weather Information for the Marine Community

Bulletin issued at 21:00 HKT 06/Nov/2018

N0 WARNING.

GENERAL SITUATION AT 060900 UTC:
THE NORTHEAST MONSOON IS AFFECTING THE FORECAST AREAS.

MARINE FORECAST FOR 24 HOURS FROM 061300 UTC:

HONG KONG= E TO NE 4-5, OCNL 6. FINE. SEA UP TO 3 M. TEMP 23-27 C. =
KWANGTUNG= E TO NE 5-6. LGT RAIN PATCHES. SEA 2-3 M. SWELL E TO NE UP TO 2 M. =
TAIWAN STRAIT= NE 5-6. LGT RAIN PATCHES. SEA 2-3 M. SWELL NE 2 M. =
BASHI= E TO NE 5-6. ISOL SHOWERS. SEA 2-3 M. SWELL E TO NE 2 M. =
PRATAS= E TO NE 5-6. ISOL SHOWERS. SEA 2-3 M. SWELL E TO NE 2 M. =
BALINTANG= E TO NE 5-6, OCNL 7. ISOL SHOWERS. SEA UP TO 4 M. SWELL E TO NE 2 M. =
SCARBOROUGH= NE 5-6, OCNL 7. FINE. SEA UP TO 4 M. SWELL E TO NE 2 M. =
PARACEL= E TO NE 5-6. LGT RAIN PATCHES. SEA 2-3 M. SWELL E UP TO 2 M. =
TONKIN= E TO NE 5-6. LGT RAIN PATCHES. SEA 2-3 M. =
DANANG= E 4-5, OCNL 6. LGT RAIN PATCHES. SEA UP TO 3 M. =
NNNN
Abbreviations:
KT, VRB, SLW, FRQ - knot, variable, slow, frequent STNR, QSTNR, C - stationary, quasi-stationary, degrees celsius WKN, INTSF, INTST, NC - weaken, intensify, intensity, no change LGT, ISOL, SCT, OCNL - light, isolated, scattered, occasional CLD, DZ, TS - cloudy, drizzle, thunderstorm

The date and time are specified by a 6-digit number DDHHMM. DD stands for the day of month, HH represents the hour while MM indicates the minute in UTC.



SOUTH CHINA COASTAL WATERS
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South China Coastal Waters

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Bulletin issued at 03:30 HKT 07/Nov/2018

Weather information for south China coastal waters issued by the Hong Kong Observatory at 3:30 a.m. on 07 November 2018

Warnings:
Strong winds in all areas.

Weather Situation:
The northeast monsoon is affecting the south China coastal waters.

Area forecasts for the next 24 hours

Hong Kong Adjacent Waters:
East to northeast force 4 to 5, occasionally force 6.
Moderate to rough seas.

Nan'ao, Shanwei, South of Hong Kong and Shangchuan Dao:
East to northeast force 5 to 6.
Moderate to rough seas.

Outlook for the next 48 hours
East to northeasterly winds of force 5 to 6.

Latest reports from south China coastal weather stations
--------------------------------------------------------

Waglan Island Wind east-northeast force 6
  Visibility 14 Kilometres

Shantou Wind east-northeast force 1
  Visibility 22 Kilometres

Huangmaozhou Wind east force 6

Macau Wind east force 3
  Visibility 13 Kilometres

Xisha Wind east-northeast force 2
  Visibility 23 Kilometres


WEATHER FORECAST FOR LOCAL AVIATION
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Weather Forecast for Local Aviation

Bulletin issued at 01:30 HKT 07/NOV/2018
(Next update at 9:00-9:30 HKT 07/NOV/2018)
I.   SIGNIFICANT WEATHER WITHIN 100 KILOMETER RADIUS OF H.K :
     NIL
II.  SYNOPSIS OF THE WEATHER SITUATION :
     THE NORTHEAST MONSOON IS AFFECTING THE SOUTH
     CHINA COASTAL AREAS.
III. FORECAST FOR 100-KILOMETER RADIUS AROUND HONG KONG
     FROM 0200 TO 1200 HKT:
             WIND                           TEMPERATURE (DEG. C)
   A.   SURFACE:  090/10
       OFFSHORE:  080/15                               22-29
   B.   2000 FT:  080/15-20                            20
   C.   5000 FT:  090/20                               16
   D.  10000 FT:  220/10                               10
   E.  18000 FT:  270/20                               MS5
   F.  24000 FT:  300/30                               MS17
   G.  30000 FT:  280/40                               MS30
   H. INVERSION LEVEL(S) (ONLY WHEN BELOW 5000 FEET) : 
      2500-11400 FT
   I. WEATHER       : 
      MAINLY FINE.
   J. CLOUD (HEIGHT ABOVE MSL) : 
      FEW 2500 FT.
   K. VISIBILITY    : 10 KM.
   L. 0 DEG. C LEVEL: 16000 FT      10 DEG. C LEVEL(S) : 8000, 8500, 10000 FT
   M. TURBULENCE    : MOD OFFSHORE AND NEAR HILLS.
   N. SEA STATE     : 1.0-1.5 M     SEA TEMPERATURE    : 25 DEG
IV.  FURTHER OUTLOOK: 
     MODERATE EASTERLY WINDS. MAINLY FINE.=
===================================================================
Note: The forecast could be updated before the next issue time 
whenever there is newly expected occurrence or non-occurrence 
of significant weather as described below which may be hazardous 
to aircraft within 100-km radius of Hong Kong:

(a) Change of the tropical cyclone category
(b) Strong, Gale, Storm, and Hurricane force winds
(c) Thunderstorm/CBs
(d) Severe gusts
(e) Severe turbulence
(f) Significant low stratus
(g) Fog or thick haze/sandstorm/duststorm 
    causing significant reduction of visibility
(h) Volcanic ash
(i) Radioactive cloud
===================================================================
Aviation Weather Observation and Forecast Information for Hong Kong International Airport
To know more about clouds, please see Commonly observed clouds in Hong Kong.


sigmet
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Significant Weather Information (SIGMET)

The Airport Meteorological Office is responsible for monitoring hazardous weather and phenomena in the atmosphere that may affect the safety of aircraft operations within a designated airspace over the northern part of the South China Sea. Weather forecasters at the Airport Meteorological Office issues SIGMET information when hazardous weather and phenomena in the atmosphere such as thunderstorms, tropical cyclones, turbulence, icing occur or are expected to occur in the airspace.

There is no Significant Weather Information (SIGMET)

Please click here for more about the SIGMET


Tropical Cyclone Warning
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Tropical Cyclone Warning

There is no tropical cyclone warning signal.

For other tropical cyclone related information, please visit the World Meteorological Organization Web Site - Severe Weather Information Centre.


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Last revision date: <06 Nov 2018> 

TROPICAL CYCLONE WARNING FOR SHIPPING
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Tropical Cyclone Warning for Shipping

There is no tropical cyclone warning for shipping*.




*Tropical cyclone warnings for shipping are issued by the Hong Kong Observatory for tropical cyclones located within the area bounded by 105E and 125E , 10N and 30N.




For other tropical cyclone related information, please visit the World Meteorological Organization Web Site - Severe Weather Information Centre.


YESTERDAY'S WEATHER AND RADIATION LEVEL Skip to main content
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Yesterday's Weather and Radiation Level

Bulletin issued at 00:15 HKT 07/Nov/2018
HKO Readings & Radiation Level

Yesterday's Weather and Radiation Level:
------------------------------------------------------

Hong Kong Observatory
Maximum Air Temperature                     27.1 C
Minimum Air Temperature                     23.3 C
Grass Minimum Temperature                   21.5 C
Relative Humidity                        67 - 84 Percent
Rainfall                                       0 mm 
Total rainfall since 1st January          2086.0 mm
Against an average of                     2345.1 mm

Other Stations                Min                  Max
King's Park                  22.6 C               27.5 C
Wong Chuk Hang               23.0 C               27.6 C
Ta Kwu Ling                  21.1 C               29.6 C
Lau Fau Shan                 20.8 C               31.7 C
Tai Po                       22.7 C               26.6 C
Sha Tin                      23.0 C               27.9 C
Tuen Mun                     21.5 C               29.4 C
Tseung Kwan O                22.6 C               27.0 C
Sai Kung                     23.5 C               25.4 C
Cheung Chau                  22.1 C               28.9 C
Chek Lap Kok                 23.5 C               29.8 C
Tsing Yi                     23.4 C               28.1 C
Shek Kong                    21.0 C               29.6 C
Tsuen Wan Ho Koon            21.0 C               29.1 C
Tsuen Wan Shing Mun Valley   22.8 C               29.6 C
Hong Kong Park               23.3 C               27.0 C
Shau Kei Wan                 22.9 C               26.0 C
Kowloon City                 22.4 C               28.5 C
Happy Valley                 23.3 C               27.5 C
Wong Tai Sin                 23.1 C               27.9 C
Stanley                      22.9 C               26.6 C
Kwun Tong                    22.7 C               25.8 C
Sham Shui Po                 22.9 C               29.7 C
Kai Tak Runway Park          23.5 C               26.0 C
Yuen Long Park               20.7 C               30.5 C
Tai Mei Tuk               21.9 C               28.2 C

Duration of sunshine (King's Park):              10.2 H
The mean UV index recorded at King's Park yesterday was 3,
the UV intensity was Moderate.
The maximum UV index for yesterday was 7.
 

Yesterday's (06 Nov 2018) average ambient gamma radiation
dose rate taken outdoors in Hong Kong ranged from 0.09 to
0.14 microsievert per hour.  These are within the normal
range of fluctuation of the background radiation level in
Hong Kong (see Note). The average dose rates measured at the
radiation monitoring stations over various parts of the
territory were as follows :

Station                     Yesterday's average
                            (microsievert/hour)
Ping Chau                           0.09
Tap Mun                             0.09
Kat O                               0.10
Yuen Ng Fan                         0.12
Tai Mei Tuk                         0.12
Sha Tau Kok                         0.10
Kwun Tong                           0.12
Sai Wan Ho                          0.09
King's Park                         0.14
Tsim Bei Tsui                       0.13
Cape D'Aguilar                      0.13
Chek Lap Kok                        0.14

Note
  1. From readings taken at various locations in Hong Kong in the past, the hourly mean ambient gamma radiation dose rate may vary between 0.06 and 0.3 microsievert per hour. (1 microsievert = 0.000001 sievert = 0.001 millisievert)
  2. Temporal variations are generally caused by changes in meteorological conditions such as rainfall, wind and barometric pressure.
  3. Spatial variations are generally caused by differences in the radioactive content of local rock and soil.
  4. The data displayed is provisional. Only limited data validation has been carried out.
Climatological Information for 06 Nov
Last revision date: <07 Nov 2018> 

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