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

Local Weather Forecast | Regional Temperature Forecast in HK
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Bulletin issued at 21:02 HKT 04/Feb/2017

At 9 p.m. at the Hong Kong Observatory the air temperature was 19 degrees Celsius and the relative humidity 83 per cent.

The air temperatures at other places were:

King's Park 19 degrees;
Wong Chuk Hang 18 degrees;
Ta Kwu Ling 17 degrees;
Lau Fau Shan 17 degrees;
Tai Po 17 degrees;
Sha Tin 18 degrees;
Tuen Mun 17 degrees;
Tseung Kwan O 18 degrees;
Sai Kung 19 degrees;
Cheung Chau 16 degrees;
Chek Lap Kok 20 degrees;
Tsing Yi 17 degrees;
Shek Kong 18 degrees;
Tsuen Wan Ho Koon 16 degrees;
Tsuen Wan Shing Mun Valley 17 degrees;
Hong Kong Park 17 degrees;
Shau Kei Wan 17 degrees;
Kowloon City 19 degrees;
Happy Valley 19 degrees;
Wong Tai Sin 18 degrees;
Stanley 18 degrees;
Kwun Tong 19 degrees;
Sham Shui Po 19 degrees;
Kai Tak Runway Park 19 degrees;
Yuen Long Park 17 degrees;
Tai Mei Tuk 18 degrees.

Between 7:45 and 8:45 p.m., the rainfall recorded in various regions were:

Southern District 0 to 1 mm;
North District 0 to 1 mm;
Islands District 0 to 1 mm;
Sha Tin 0 to 1 mm;
Tai Po 0 to 1 mm.


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


Climatological Information for 4 Feb

Regional Weather in Hong Kong

Information on Tropical Cyclones

Hong Kong Climatology


Local Weather Forecast
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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 20:45 HKT 04/Feb/2017

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

The rainband associated with an upper-air disturbance is affecting the vicinity of the Pearl River Estuary. Besides, the area of low pressure over the seas east of the Philippines is bringing unsettled weather to the region.

Weather forecast for tonight and tomorrow

Cloudy with a few rain patches overnight. The minimum temperature will be about 17 degrees. Becoming fine and dry tomorrow with a maximum temperature of around 22 degrees. Moderate northeasterly winds, occasionally fresh offshore at first.

Outlook : Mainly fine on Monday. Windy and cloudier midweek next week.


(The above forecast period is valid up to 23:59 HKT tomorrow, 05/02/2017; Regular update at : around 45 minutes past each hour, 16:15 HKT and 23:15 HKT)

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MARINE FORECAST
Traditional Chinese Simplified Chinese

Marine Forecast

Weather Information for the Marine Community

Bulletin issued at 21:00 HKT 04/Feb/2017

N0 WARNING.

GENERAL SITUATION AT 040900 UTC:
THE NORTHEAST MONSOON IS AFFECTING THE FORECAST AREAS.

MARINE FORECAST FOR 24 HOURS FROM 041300 UTC:

HONG KONG= NE 4-5. RAIN PATCHES AT FIRST. SWELL E UP TO 2 M. TEMP 17-22 C. =
KWANGTUNG= E TO NE 4-5, OCNL 6 IN E. RAIN PATCHES. SEA 2 M. SWELL NE 2 M. =
TAIWAN STRAIT= NE 4-5, 6-7 LATER. RAIN PATCHES. SEA 2 M, 3-4 M LATER. SWELL NE 2 M. =
BASHI= E TO NE 5-6. RAIN PATCHES. SEA 2-3 M. SWELL NE 2 M. =
PRATAS= E TO NE 5-6. RAIN PATCHES. SEA 2-3 M. SWELL E TO NE 2 M. =
BALINTANG= E TO NE 5-6. RAIN PATCHES. SEA 2-3 M. SWELL E TO NE 2 M. =
SCARBOROUGH= E TO NE 4-5. RAIN PATCHES. SEA UP TO 2 M. SWELL NE 2 M. =
PARACEL= NE 5-6. RAIN PATCHES. SEA 2-3 M. SWELL NE 2 M. =
TONKIN= NE 4-5. RAIN PATCHES. SEA UP TO 2 M. =
DANANG= N TO NE 4-5, OCNL 6. RAIN PATCHES. SEA 2 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 19:30 HKT 04/Feb/2017

    Weather information for south China coastal waters issued by the Hong Kong Observatory at 7:30 p.m. on 04 February 2017

    Warnings:
    Strong winds in Nan'ao and Shanwei.

    Weather Situation:
    The northeast monsoon persists over the south China coastal waters.

    Area forecasts for the next 24 hours

    Hong Kong Adjacent Waters:
    Northeast force 4 to 5.
    A few rain patches at first.
    Moderate seas.

    Nan'ao and Shanwei:
    East to northeast force 4 to 5, occasionally force 6.
    Moderate to rough seas.

    South of Hong Kong and Shangchuan Dao:
    Northeast force 4 to 5.
    Moderate 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 north-northeast force 3
      Visibility 13 Kilometres

    Shantou Wind south-southeast force 2
      Visibility 29 Kilometres

    Dongsha Wind east force 3
      Visibility 10 Kilometres

    Huangmaozhou Wind north-northwest force 5

    Macau Wind north force 1
      Visibility 9 Kilometres

    Xisha Wind east-northeast force 2
      Visibility 30 Kilometres

  • 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
    Traditional Chinese Simplified Chinese

    Weather Forecast for Local Aviation

    Bulletin issued at 17:30 HKT 04/FEB/2017
    (Next update at 01:30 HKT 05/FEB/2017)
    I.   SIGNIFICANT WEATHER WITHIN 100 KILOMETER RADIUS OF H.K :
     NIL.
II.  SYNOPSIS OF THE WEATHER SITUATION :
     THE NORTHEAST MONSOON PERSISTS OVER 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:  070/10
                  TEMPO VRB/05
       OFFSHORE:  060/15                               20-17
   B.   2000 FT:  060/10                               14
   C.   5000 FT:  040/10                               11
   D.  10000 FT:  270/15                               2
   E.  18000 FT:  240/40                               MS12
   F.  24000 FT:  230/65                               MS21
   G.  30000 FT:  240/100                              MS27
   H. INVERSION LEVEL(S) (ONLY WHEN BELOW 5000 FEET) : 
      1500-3100FT
   I. WEATHER       : 
      CLOUDY WITH A FEW RAIN PATCHES. LOCALISED MIST.
   J. CLOUD (HEIGHT ABOVE MSL) : 
      FEW 2000 FT SCT 3000 FT.
   K. VISIBILITY    : 8 KM. TEMPO 3000 M IN RAIN PATCHES/ MIST.
   L. 0 DEG. C LEVEL: 12500 FT      10 DEG. C LEVEL(S) : 6400 FT
   M. TURBULENCE    : NIL
   N. SEA STATE     : 1.0-1.5 M     SEA TEMPERATURE    : 18 DEG
IV.  FURTHER OUTLOOK: 
     CLOUDY WITH A FEW RAIN OR MIST PATCHES. BECOMING
     FINE DURING THE DAY TOMORROW. LIGHT TO MODERATE
     NORTHEASTERLY WINDS.=

    ===================================================================
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
    Traditional Chinese Simplified Chinese

    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 19:40 HKT on 04 Feb 17

    VHHK SIGMET 3 VALID 041145/041545 VHHH- VHHK HONG KONG FIR SEV ICE FCST WI N2100 E11730 - N1642 E11400 - N1930 E11130 - N2130 E11130 - N2400 E11730 - N2100 E11730 FL140/220 STNR NC= VHHK SIGMET 2 VALID 041100/041500 VHHH- VHHK HONG KONG FIR SEV TURB FCST NW OF LINE N2106 E11730 - N1724 E11324 FL180/420 STNR 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 04/Feb/2017 
    HKO Readings & Radiation Level

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

Hong Kong Observatory
Maximum Air Temperature                     19.6 C
Minimum Air Temperature                     15.4 C
Grass Minimum Temperature                   15.5 C
Relative Humidity                        62 - 83 Percent
Rainfall                                       0 mm 
Total rainfall since 1st January             7.8 mm
Against an average of                       27.8 mm

Other Stations                Min                  Max
King's Park                  14.6 C               19.9 C
Wong Chuk Hang               14.8 C               19.2 C
Ta Kwu Ling                  14.8 C               21.0 C
Lau Fau Shan                 14.3 C               20.9 C
Tai Po                       15.3 C               19.2 C
Sha Tin                      15.0 C               19.9 C
Tuen Mun                     15.5 C               20.9 C
Tseung Kwan O                14.9 C               19.3 C
Sai Kung                     15.2 C               19.0 C
Cheung Chau                  14.9 C               18.6 C
Chek Lap Kok                 15.9 C               21.1 C
Tsing Yi                     15.4 C               20.9 C
Shek Kong                    15.3 C               21.3 C
Tsuen Wan Ho Koon            13.4 C               20.2 C
Tsuen Wan Shing Mun Valley   14.6 C               20.6 C
Hong Kong Park               15.2 C               19.4 C
Shau Kei Wan                 14.7 C               19.1 C
Kowloon City                 14.4 C               20.0 C
Happy Valley                 15.4 C               20.2 C
Wong Tai Sin                 15.1 C               20.8 C
Stanley                      15.0 C               18.8 C
Kwun Tong                    14.7 C               19.5 C
Sham Shui Po                 15.3 C               21.2 C
Kai Tak Runway Park          15.4 C               19.3 C
Yuen Long Park               15.2 C               21.4 C
Tai Mei Tuk               14.7 C               20.0 C

Duration of sunshine (King's Park):              0.4 H
The mean UV index recorded at King's Park yesterday was 2,
the UV intensity was Low.
The maximum UV index for yesterday was 5.
Sea surface temperature (Waglan Island):        18.5 C 

Yesterday's (03 Feb 2017) average ambient gamma radiation
dose rate taken outdoors in Hong Kong ranged from 0.08 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                           0.08
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                        0.15

Note

      

    1. From readings taken at various locations in Hong Kong during
the period 1987-2016, the background ambient gamma radiation
levels may vary between 0.06 and 0.30 microsievert per hour.

    2. The extent of health effects to a person as a result of
exposure to radiation is expressed by a physical quantity
called equivalent dose, in unit of sievert.  Protective
action may be required if there is an increase in the
ambient gamma dose rate above background such that the total
additional dose is expected to exceed 5000 microsieverts in
a relatively short period of time. For example, a dose of
5000 microsieverts may be reached when the ambient gamma
dose rate is 1000 microsieverts per hour (several thousand
times above background) and lasts for 5 hours.

    3. The readings of ambient gamma radiation level from
instrument are expressed in unit of gray, which is
numerically equal to the gamma dose expressed in sievert.
    Climatological Information for 03 Feb
     2003copy right image | Important notices | Privacy policy Last revision date: <04 Feb 2017> 

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