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

Local Weather Forecast | Regional Temperature Forecast in HK
9-day Weather Forecast | UV Index Forecast
Weather Information for South China Coastal Waters

Bulletin issued at 19:02 HKT 04/Nov/2018

At 7 p.m. at the Hong Kong Observatory the air temperature was 24 degrees Celsius and the relative humidity 83 per cent.

The air temperatures at other places were:

King's Park 23 degrees;
Wong Chuk Hang 24 degrees;
Ta Kwu Ling 24 degrees;
Lau Fau Shan 23 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 25 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;
Sham Shui Po 23 degrees;
Kai Tak Runway Park 24 degrees;
Yuen Long Park 23 degrees;
Tai Mei Tuk 23 degrees.


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


Climatological Information for 4 Nov


Local Weather Forecast
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Local Weather Forecast

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

Current Weather | Regional Temperature Forecast in HK |  9-day Weather Forecast
UV Index Forecast |  Weather Information for South China Coastal Waters

Bulletin updated at 18:45 HKT 04/Nov/2018

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

The northeast monsoon is affecting Guangdong. Meanwhile, a band of clouds is covering the region.

Weather forecast for tonight and tomorrow

Mainly cloudy. One or two light rain patches tomorrow morning. Sunny periods during the day. Temperatures will range between 23 and 27 degrees. Moderate easterly winds, occasionally fresh offshore.

Outlook : Sunny periods in the following couple of days.


(The above forecast period is valid up to 23:59 HKT tomorrow, 05/11/2018; 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 04/Nov/2018

N0 WARNING.

GENERAL SITUATION AT 032100 UTC:
THE NORTHEAST MONSOON IS AFFECTING THE FORECAST AREAS.

MARINE FORECAST FOR 24 HOURS FROM 040100 UTC:

HONG KONG= E TO NE 5-6. LGT RAIN PATCHES. SEA 2-3 M. SWELL NE UP TO 2 M. TEMP 26-23 C. =
KWANGTUNG= E TO NE 5-6, OCNL 7 IN E. LGT RAIN PATCHES. SEA 2-3 M, UP TO 4 M IN E. SWELL NE 2 M. =
TAIWAN STRAIT= NE 5-6, OCNL 7. LGT RAIN PATCHES. SEA UP TO 4 M. SWELL NE 2 M. =
BASHI= E 5-6. FINE. SEA 2-3 M. SWELL NE 2 M. =
PRATAS= E TO NE 5-6, OCNL 7. LGT RAIN PATCHES. SEA UP TO 4 M. SWELL NE 2 M. =
BALINTANG= E 5-6. FINE. SEA 2-3 M. SWELL NE 2 M. =
SCARBOROUGH= NE 5-6, OCNL 7. FINE. SEA UP TO 4 M. SWELL NE 2 M. =
PARACEL= E TO NE 5-6. LGT RAIN PATCHES. SEA 2-3 M. SWELL NE 2 M. =
TONKIN= E TO NE 4-5. FINE. SEA UP TO 2 M. =
DANANG= E TO NE 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

Current Weather | Local Weather Forecast | Regional Temperature Forecast in HK
9-day Weather Forecast | UV Index Forecast | Weather Information for Fishermen

Bulletin issued at 19:30 HKT 04/Nov/2018

Weather information for south China coastal waters issued by the Hong Kong Observatory at 7:30 p.m. on 04 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 force 4 to 5, occasionally force 6.
A few light 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 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, occasionally force 7.

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

Waglan Island Wind east-northeast force 5
  Visibility 18 Kilometres

Shantou Wind east force 2
  Visibility 21 Kilometres

Huangmaozhou Wind east force 5

Macau Wind north-northeast force 2
  Visibility 8 Kilometres

Xisha Wind east-northeast force 3
  Visibility 30 Kilometres


WEATHER FORECAST FOR LOCAL AVIATION
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Weather Forecast for Local Aviation

Bulletin issued at 17:30 HKT 04/NOV/2018
(Next update at 01:30 HKT 05/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 1800 TO 0400 HKT:
             WIND                           TEMPERATURE (DEG. C)
   A.   SURFACE:  090/5-10
       OFFSHORE:  090/10-15, OCNL 20                   25-21
   B.   2000 FT:  070/10-15                            19
   C.   5000 FT:  130/10                               15
   D.  10000 FT:  230/10                               12
   E.  18000 FT:  260/25                               MS4
   F.  24000 FT:  260/30                               MS16
   G.  30000 FT:  260/40                               MS29
   H. INVERSION LEVEL(S) (ONLY WHEN BELOW 5000 FEET) : 
      3400-3900 FT
   I. WEATHER       : 
      MAINLY CLOUDY. A FEW LIGHT RAIN PATCHES.
      LOCALIZED MIST.
   J. CLOUD (HEIGHT ABOVE MSL) : 
      FEW 1500 FT SCT 2500 FT BKN 8000 FT
   K. VISIBILITY    : 7 KM. TEMPO 4000 M IN RAIN/MIST.
   L. 0 DEG. C LEVEL: 16000 FT      10 DEG. C LEVEL(S) : 7000,11400 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, OCCASIONALLY FRESH
     OFFSHORE. SUNNY PERIODS. A FEW LIGHT RAIN
     PATCHES AT FIRST.=
===================================================================
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.

The latest significant weather information
issued by the Hong Kong Observatory at 09:45 HKT on 02 Nov 18

VHHK SIGMET 1 VALID 020140/020600 VHHH- VHHK HONG KONG FIR TC YUTU PSN N2048 E11636 CB OBS AT 00Z WI 120NM OF TC CENTRE TOP FL400 WKN FCST AT 0600Z TC CENTRE PSN N2054 E11636= VHHK SIGMET 3 VALID 020150/020600 VHHH- VHHK HONG KONG FIR TC YUTU PSN N2048 E11636 CB OBS AT 0000Z WI 120NM OF TC CENTRE TOP FL400 WKN FCST AT 0600Z TC CENTRE PSN N2054 E11636=

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: <04 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 04/Nov/2018
HKO Readings & Radiation Level

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

Hong Kong Observatory
Maximum Air Temperature                     23.4 C
Minimum Air Temperature                     19.4 C
Grass Minimum Temperature                   19.5 C
Relative Humidity                        76 - 95 Percent
Rainfall                                     8.3 mm 
Total rainfall since 1st January          2086.0 mm
Against an average of                     2338.6 mm

Other Stations                Min                  Max
King's Park                  18.9 C               23.1 C
Wong Chuk Hang               19.1 C               23.5 C
Ta Kwu Ling                  18.4 C               22.6 C
Lau Fau Shan                 18.5 C               22.5 C
Tai Po                       17.4 C               21.8 C
Sha Tin                      18.3 C               22.8 C
Tuen Mun                     19.2 C               22.9 C
Tseung Kwan O                18.9 C               23.5 C
Sai Kung                     19.3 C               22.9 C
Cheung Chau                  19.1 C               22.8 C
Chek Lap Kok                 18.9 C               23.9 C
Tsing Yi                     18.7 C               23.5 C
Shek Kong                    18.1 C               22.7 C
Tsuen Wan Ho Koon            17.7 C               21.9 C
Tsuen Wan Shing Mun Valley   18.5 C               23.0 C
Hong Kong Park               18.8 C               23.5 C
Shau Kei Wan                 18.7 C               23.6 C
Kowloon City                 18.3 C               23.0 C
Happy Valley                 19.3 C               23.9 C
Wong Tai Sin                 18.7 C               23.0 C
Stanley                      19.8 C               23.9 C
Kwun Tong                    18.7 C               23.6 C
Sham Shui Po                 18.5 C               22.9 C
Kai Tak Runway Park          18.8 C               23.9 C
Yuen Long Park               18.3 C               22.6 C
Tai Mei Tuk               18.1 C               22.5 C

Duration of sunshine (King's Park):              0.0 H
The mean UV index recorded at King's Park yesterday was 1,
the UV intensity was Low.
The maximum UV index for yesterday was 3.
 

Yesterday's (03 Nov 2018) average ambient gamma radiation
dose rate taken outdoors in Hong Kong ranged from 0.09 to
0.15 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                         0.11
Kwun Tong                           0.13
Sai Wan Ho                          0.09
King's Park                         0.15
Tsim Bei Tsui                       0.13
Cape D'Aguilar                      0.14
Chek Lap Kok                        0.15

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 03 Nov
Last revision date: <04 Nov 2018> 

From Weather Underground