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

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9-day Weather Forecast | UV Index Forecast
Weather Information for South China Coastal Waters

Bulletin issued at 19:02 HKT 16/Nov/2018

At 7 p.m. at the Hong Kong Observatory the air temperature was 24 degrees Celsius and the relative humidity 87 per cent.

The air temperatures at other places were:

King's Park 24 degrees;
Wong Chuk Hang 24 degrees;
Ta Kwu Ling 24 degrees;
Lau Fau Shan 24 degrees;
Tai Po 23 degrees;
Sha Tin 24 degrees;
Tuen Mun 25 degrees;
Tseung Kwan O 23 degrees;
Sai Kung 24 degrees;
Cheung Chau 23 degrees;
Chek Lap Kok 25 degrees;
Tsing Yi 25 degrees;
Shek Kong 25 degrees;
Tsuen Wan Ho Koon 23 degrees;
Tsuen Wan Shing Mun Valley 24 degrees;
Hong Kong Park 24 degrees;
Shau Kei Wan 23 degrees;
Kowloon City 24 degrees;
Happy Valley 24 degrees;
Wong Tai Sin 24 degrees;
Stanley 23 degrees;
Kwun Tong 23 degrees;
Sham Shui Po 24 degrees;
Kai Tak Runway Park 24 degrees;
Yuen Long Park 25 degrees;
Tai Mei Tuk 23 degrees.


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


Climatological Information for 16 Nov


Local Weather Forecast
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Local Weather Forecast

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

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UV Index Forecast |  Weather Information for South China Coastal Waters

Bulletin updated at 18:45 HKT 16/Nov/2018

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

The northeast monsoon now affecting the coast of Guangdong is expected to strengthen slightly tomorrow. Meanwhile, a cloud band is covering southern China.

Weather forecast for tonight and tomorrow

Cloudy with a few rain patches. Temperatures will range between 22 and 25 degrees. Moderate to fresh east to northeasterly winds, occasionally strong offshore and on high ground.

Outlook : Mainly cloudy with one or two rain patches in the following couple of days. Slightly cooler on Monday.


(The above forecast period is valid up to 23:59 HKT tomorrow, 17/11/2018; 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 09:00 HKT 16/Nov/2018

N0 WARNING.

GENERAL SITUATION AT 152100 UTC:
AN EASTERLY AIRSTREAM IS GENERALLY AFFECTING THE FORECAST AREAS.

MARINE FORECAST FOR 24 HOURS FROM 160100 UTC:

HONG KONG= E 5-6. RAIN PATCHES. SEA 2-3 M. TEMP 25-23 C. =
KWANGTUNG= E TO NE 5-6. RAIN PATCHES. SEA 2-3 M. SWELL E TO NE UP TO 2 M. =
TAIWAN STRAIT= NE 5-6, OCNL 7. RAIN PATCHES. SEA UP TO 4 M. SWELL NE 2 M. =
BASHI= E 5-6. LGT RAIN PATCHES. SEA 2-3 M. SWELL E TO NE 2 M. =
PRATAS= E 4-5. LGT RAIN PATCHES. SEA UP TO 2 M. SWELL E TO NE UP TO 2 M. =
BALINTANG= E 5-6. LGT RAIN PATCHES. SEA 2-3 M. SWELL E TO NE 2 M. =
SCARBOROUGH= E TO NE 4-5. FINE. SEA UP TO 2 M. SWELL E TO NE 2 M. =
PARACEL= E TO SE 4-5. LGT RAIN PATCHES. SEA UP TO 2 M. SWELL E TO NE UP TO 2 M. =
TONKIN= E TO SE 4-5, NE 4-5 LATER. RAIN PATCHES. SEA UP TO 2 M. =
DANANG= E TO SE 4-5. LGT RAIN PATCHES. SEA UP TO 2 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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9-day Weather Forecast | UV Index Forecast | Weather Information for Fishermen

Bulletin issued at 19:30 HKT 16/Nov/2018

Weather information for south China coastal waters issued by the Hong Kong Observatory at 7:30 p.m. on 16 November 2018

Warnings:
Strong winds in Hong Kong adjacent waters, Nan'ao, Shanwei and south of Hong Kong.

Weather Situation:
The northeast monsoon is affecting the coastal waters of Guangdong.

Area forecasts for the next 24 hours

Hong Kong Adjacent Waters:
East to northeast force 5 to 6.
A few rain patches.
Moderate to rough seas.

Nan'ao and Shanwei:
East to northeast force 5 to 6, occasionally force 7.
Moderate to rough seas.

South of Hong Kong:
East to northeast force 5 to 6.
Moderate to rough seas.

Shangchuan Dao:
East force 4 to 5.
Moderate seas.

Outlook for the next 48 hours
Easterly winds of force 5 to 6, becoming north to northeasterly winds of force 5 to 6.

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

Waglan Island Wind east-northeast force 4
  Visibility 8 Kilometres

Shantou Wind east-northeast force 2
  Visibility 23 Kilometres

Dongsha Wind northeast force 3
  Visibility 10 Kilometres

Huangmaozhou Wind east force 5

Macau Wind east force 3
  Visibility 8 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 17:30 HKT 16/NOV/2018
(Next update at 01:30 HKT 17/NOV/2018)
I.   SIGNIFICANT WEATHER WITHIN 100 KILOMETER RADIUS OF H.K :
     STRONG WINDS AND SEV TURB.
II.  SYNOPSIS OF THE WEATHER SITUATION :
     THE NORTHEAST MONSOON NOW AFFECTING THE COAST OF
     GUANGDONG IS EXPECTED TO STRENGTHEN SLIGHTLY
     TOMORROW.  MEANWHILE, A CLOUD BAND IS COVERING
     SOUTHERN CHINA.
III. FORECAST FOR 100-KILOMETER RADIUS AROUND HONG KONG
     FROM 1800 TO 0400 HKT:
             WIND                           TEMPERATURE (DEG. C)
   A.   SURFACE:  090/10-15
       OFFSHORE:  090/20-25                            25-22
   B.   2000 FT:  130/20-25                            19
   C.   5000 FT:  170/10                               16
   D.  10000 FT:  230/15                               10
   E.  18000 FT:  270/30                               MS6
   F.  24000 FT:  270/40                               MS17
   G.  30000 FT:  260/55                               MS28
   H. INVERSION LEVEL(S) (ONLY WHEN BELOW 5000 FEET) : 
      NIL.
   I. WEATHER       : 
      CLOUDY WITH A FEW RAIN AND MIST PATCHES.
   J. CLOUD (HEIGHT ABOVE MSL) : 
      FEW 1500 FT  SCT 3000 FT  BKN 10000 FT.
   K. VISIBILITY    : 7 KM.  TEMPO 3000 M IN RAIN/MIST.
   L. 0 DEG. C LEVEL: 15000 FT      10 DEG. C LEVEL(S) : 10000 FT
   M. TURBULENCE    : MOD TO SEV OFFSHORE AND NEAR HILLS.
   N. SEA STATE     : 2.0-3.0 M     SEA TEMPERATURE    : 25 DEG
IV.  FURTHER OUTLOOK: 
     MODERATE TO FRESH EAST TO NORTHEASTERLY WINDS,
     OCCASIONALLY STRONG OFFSHORE AND ON HIGH GROUND.
     CLOUDY WITH A FEW RAIN AND MIST PATCHES.=
===================================================================
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 16/Nov/2018
HKO Readings & Radiation Level

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

Hong Kong Observatory
Maximum Air Temperature                     23.6 C
Minimum Air Temperature                     22.7 C
Grass Minimum Temperature                   21.4 C
Relative Humidity                        77 - 88 Percent
Rainfall                                      Trace 
Total rainfall since 1st January          2086.0 mm
Against an average of                     2354.9 mm

Other Stations                Min                  Max
King's Park                  22.1 C               23.1 C
Wong Chuk Hang               22.3 C               24.8 C
Ta Kwu Ling                  22.3 C               25.7 C
Lau Fau Shan                 21.3 C               25.7 C
Tai Po                       21.6 C               22.9 C
Sha Tin                      22.4 C               23.6 C
Tuen Mun                     22.3 C               25.9 C
Tseung Kwan O                22.2 C               23.3 C
Sai Kung                     22.6 C               23.5 C
Cheung Chau                  22.0 C               25.2 C
Chek Lap Kok                 23.1 C               26.7 C
Tsing Yi                     22.9 C               24.9 C
Shek Kong                    22.8 C               24.8 C
Tsuen Wan Ho Koon            21.1 C               23.6 C
Tsuen Wan Shing Mun Valley   22.3 C               24.3 C
Hong Kong Park               22.5 C               23.7 C
Shau Kei Wan                 22.1 C               23.0 C
Kowloon City                 22.0 C               23.5 C
Happy Valley                 22.9 C               24.3 C
Wong Tai Sin                 22.3 C               24.3 C
Stanley                      22.3 C               23.6 C
Kwun Tong                    21.9 C               23.4 C
Kai Tak Runway Park          22.7 C               23.5 C
Yuen Long Park               21.7 C               24.9 C
Tai Mei Tuk               22.0 C               23.5 C

Duration of sunshine (King's Park):              0 H
The mean UV index recorded at King's Park yesterday was 0.9,
the UV intensity was Low.
The maximum UV index for yesterday was 2.
 

Yesterday's (15 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 15 Nov
Last revision date: <16 Nov 2018> 

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