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Bulletin issued at 17:02 HKT 03/Nov/2019

At 5 p.m. at the Hong Kong Observatory the air temperature was 27 degrees Celsius and the relative humidity 71 per cent.
During the past hour the mean UV Index recorded at King's Park was 0.5. The intensity of UV radiation was low.

Please be reminded that:

The Fire Danger Warning is Yellow and the fire risk is high.

The air temperatures at other places were:

King's Park 27 degrees;
Wong Chuk Hang 27 degrees;
Ta Kwu Ling 29 degrees;
Lau Fau Shan 29 degrees;
Tai Po 27 degrees;
Sha Tin 29 degrees;
Tuen Mun 28 degrees;
Tseung Kwan O 25 degrees;
Sai Kung 26 degrees;
Cheung Chau 26 degrees;
Chek Lap Kok 28 degrees;
Tsing Yi 27 degrees;
Shek Kong 30 degrees;
Tsuen Wan Ho Koon 27 degrees;
Tsuen Wan Shing Mun Valley 29 degrees;
Hong Kong Park 27 degrees;
Shau Kei Wan 25 degrees;
Kowloon City 27 degrees;
Happy Valley 27 degrees;
Wong Tai Sin 27 degrees;
Stanley 25 degrees;
Kwun Tong 27 degrees;
Sham Shui Po 28 degrees;
Kai Tak Runway Park 26 degrees;
Yuen Long Park 30 degrees;
Tai Mei Tuk 26 degrees.


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


Climatological Information for 3 Nov

Regional Weather in Hong Kong

Information on Tropical Cyclones

Hong Kong Climatology


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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 16:45 HKT 03/Nov/2019

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

Pressure is rising over northern Guangdong. A replenishment of the northeast monsoon is expected to bring slightly cooler weather to the coastal areas tomorrow morning.

Weather forecast for tonight and tomorrow

Fine and dry. Slightly cooler tomorrow morning. The minimum temperature will be about 22 degrees in the urban areas, and a couple of degrees lower in the New Territories. The maximum temperature will be around 29 degrees during the day. Moderate to fresh north to northeasterly winds.

Outlook : Mainly fine, windy and dry in the following few days with slightly cooler mornings.


(The above forecast period is valid up to 23:59 HKT tomorrow, 04/11/2019; Regular update at : around 45 minutes past each hour, 16:15 HKT and 23:15 HKT)

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Marine Weather Information and Forecast

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MARINE FORECAST
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Marine Forecast

Weather Information for the Marine Community

Bulletin issued at 09:00 HKT 03/Nov/2019

GALE WARNING AREA: TAIWAN STRAIT.

GENERAL SITUATION AT 022100 UTC:
THE NORTHEAST MONSOON IS AFFECTING THE FORECAST AREAS.

MARINE FORECAST FOR 24 HOURS FROM 030100 UTC:

HONG KONG= NE 5-6. FINE. SEA 2-3 M. SWELL NE 2 M. TEMP 29-22 C. =
KWANGTUNG= NE 5-6, 7 LATER. ISOL SHOWERS. SEA 2-3 M, 4 M LATER. SWELL NE 2-3 M. =
TAIWAN STRAIT= NE 6-7, 8 LATER. RAIN PATCHES. SEA 3-4 M, 6 M LATER. SWELL NE 3 M. =
BASHI= E TO NE 5-6, OCNL 7 LATER. DOWN TO 4000 M IN ISOL SQUALLY SHOWERS AND TS. SEA 2-3 M, UP TO 4 M LATER. SWELL NE 2-3 M. =
PRATAS= NE 5-6, 7 LATER. DOWN TO 4000 M IN ISOL SQUALLY SHOWERS AND TS. SEA 2-3 M, 4 M LATER. SWELL NE 2-3 M. =
BALINTANG= E TO NE 5-6, OCNL 7 LATER. DOWN TO 4000 M IN ISOL SQUALLY SHOWERS AND TS. SEA 2-3 M, UP TO 4 M LATER. SWELL NE 2-3 M. =
SCARBOROUGH= E 5-6. DOWN TO 2000 M IN SCT SQUALLY SHOWERS AND TS. SEA 2-3 M. SWELL NE 2-3 M. =
PARACEL= NE 6-7. DOWN TO 2000 M IN SCT SQUALLY SHOWERS AND TS. SEA 3-4 M. SWELL NE 2 M. =
TONKIN= NE 4-5, 6 LATER. ISOL SHOWERS AND TS. SEA UP TO 2 M, 3 M LATER. =
DANANG= N TO NE 5-6, BEC 7. DOWN TO 2000 M IN SCT SQUALLY SHOWERS AND TS. SEA 2-3 M, BEC 4 M. SWELL NE 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.


  • Map showing the 10 forecast areas
  • Tidal Information

    • 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 16:30 HKT 03/Nov/2019

    Weather information for south China coastal waters issued by the Hong Kong Observatory at 4:30 p.m. on 03 November 2019

    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:
    Northeast force 5 to 6.
    Moderate to rough seas.

    Nan'ao:
    Northeast force 5 to 6, becoming up to force 7.
    Moderate to rough seas.

    Shanwei and South of Hong Kong:
    Northeast force 5 to 6, up to force 7 later.
    Moderate to rough seas.

    Shangchuan Dao:
    Northeast force 5 to 6, up to force 7 later.
    Isolated squally showers and thunderstorms.
    Moderate to rough seas.

    Outlook for the next 48 hours
    East to northeasterly winds of force 6 to 7.

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

    Waglan Island Wind east force 3
      Visibility 20 Kilometres

    Shantou Wind south-southeast force 2
      Visibility 30 Kilometres

    Dongsha Wind northeast force 4
      Visibility 9 Kilometres

    Huangmaozhou Wind east force 4

    Macau Wind north-northeast force 3
      Visibility 15 Kilometres

    Xisha Wind northeast force 4
      Visibility 1200 Metres in rain

  • Explanation of Seas or Sea Waves
  • Explanation of Swells
  • Descriptive Terms of Wind Speeds
  • Visibility Readings in Hong Kong Waters
  • Map showing forecast areas
  • Tidal Information

    • WEATHER FORECAST FOR LOCAL AVIATION
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    Weather Forecast for Local Aviation

    Bulletin issued at 12:30 HKT 03/NOV/2019
    (Next update at 17:30 HKT 03/NOV/2019)
    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 1300 TO 2300 HKT:
             WIND                           TEMPERATURE (DEG. C)
   A.   SURFACE:  060/5-10
       OFFSHORE:  060/15-20                            29-24
   B.   2000 FT:  040/15-20                            20
   C.   5000 FT:  050/15                               16
   D.  10000 FT:  020/10                               10
   E.  18000 FT:  260/15                               MS3
   F.  24000 FT:  220/25                               MS13
   G.  30000 FT:  220/30                               MS26
   H. INVERSION LEVEL(S) (ONLY WHEN BELOW 5000 FEET) : 
      2400-3200 FT.
   I. WEATHER       : 
      MAINLY FINE.
   J. CLOUD (HEIGHT ABOVE MSL) : 
      FEW 3000 FT SCT 10000 FT
   K. VISIBILITY    : 10 KM.
   L. 0 DEG. C LEVEL: 16000 FT      10 DEG. C LEVEL(S) : 10000 FT
   M. TURBULENCE    : MOD OFFSHORE AND NEAR HILLS.
   N. SEA STATE     : 2.0-2.5 M     SEA TEMPERATURE    : 25 DEG
IV.  FURTHER OUTLOOK: 
     MODERATE NORTHEASTERLY WINDS, FRESH OFFSHORE.
     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.

    The latest significant weather information
    issued by the Hong Kong Observatory at 16:46 HKT on 03 Nov 19

    VHHK SIGMET 4 VALID 030845/031245 VHHH- VHHK HONG KONG FIR EMBD TS FCST WI N2015 E11653 - N1642 E11400 - N1920 E11139 - N2011 E11413 - N2015 E11653 TOP FL470 MOV W 10KT NC=

    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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    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 03/Nov/2019 
    HKO Readings & Radiation Level

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

Hong Kong Observatory
Maximum Air Temperature                     28.2 C
Minimum Air Temperature                     23.9 C
Grass Minimum Temperature                   22.2 C
Relative Humidity                        66 - 82 Percent
Rainfall                                       0 mm 
Total rainfall since 1st January          2382.7 mm
Against an average of                     2336.6 mm

Other Stations                Min                  Max
King's Park                  23.3 C               27.9 C
Wong Chuk Hang               23.6 C               28.3 C
Ta Kwu Ling                  22.0 C               30.6 C
Lau Fau Shan                 21.6 C               30.0 C
Tai Po                       22.7 C               27.6 C
Sha Tin                      23.1 C               28.8 C
Tuen Mun                     22.8 C               28.5 C
Tseung Kwan O                22.2 C               28.1 C
Sai Kung                     22.9 C               26.6 C
Cheung Chau                  22.2 C               29.1 C
Chek Lap Kok                 24.3 C               29.8 C
Tsing Yi                     23.6 C               28.9 C
Shek Kong                    22.0 C               29.9 C
Tsuen Wan Ho Koon            21.0 C               27.6 C
Tsuen Wan Shing Mun Valley   21.9 C               30.0 C
Hong Kong Park               23.3 C               28.3 C
Shau Kei Wan                 22.8 C               26.2 C
Kowloon City                 23.0 C               29.3 C
Happy Valley                 23.4 C               28.7 C
Wong Tai Sin                 23.2 C               29.5 C
Stanley                      23.9 C               27.2 C
Kwun Tong                    23.1 C               27.4 C
Sham Shui Po                 23.2 C               29.6 C
Kai Tak Runway Park          24.2 C               27.1 C
Yuen Long Park               21.6 C               30.7 C
Tai Mei Tuk               22.7 C               29.9 C

Duration of sunshine (King's Park):              9.6 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 (02 Nov 2019) 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                               0.11
Yuen Ng Fan                         0.12
Tai Mei Tuk                         0.11
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 02 Nov
     2003copy right image | Important notices | Privacy policy Last revision date: <03 Nov 2019> 

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