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Bulletin issued at 17:02 HKT 19/Oct/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 0.4. 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 26 degrees;
Wong Chuk Hang 27 degrees;
Ta Kwu Ling 27 degrees;
Lau Fau Shan 28 degrees;
Tai Po 27 degrees;
Sha Tin 28 degrees;
Tuen Mun 28 degrees;
Tseung Kwan O 26 degrees;
Sai Kung 27 degrees;
Cheung Chau 26 degrees;
Chek Lap Kok 28 degrees;
Tsing Yi 27 degrees;
Shek Kong 28 degrees;
Tsuen Wan Ho Koon 26 degrees;
Tsuen Wan Shing Mun Valley 28 degrees;
Hong Kong Park 27 degrees;
Shau Kei Wan 26 degrees;
Kowloon City 26 degrees;
Happy Valley 27 degrees;
Wong Tai Sin 27 degrees;
Stanley 26 degrees;
Kwun Tong 26 degrees;
Sham Shui Po 28 degrees;
Kai Tak Runway Park 26 degrees;
Yuen Long Park 29 degrees;
Tai Mei Tuk 26 degrees.


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


Climatological Information for 19 Oct

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

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Bulletin updated at 16:45 HKT 19/Oct/2019

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

A dry northeast monsoon is bringing generally fine weather to southern China. Locally, the relative humidity over the territory stayed below 70 per cent in the afternoon.

At 4 p.m., Severe Tropical Storm Neoguri was centred about 720 kilometres east of Gaoxiong. It is forecast to move northwest or west-northwest at about 10 kilometres per hour across the seas east of Taiwan.

Weather forecast for tonight and tomorrow

Mainly fine. One or two rain patches tomorrow morning. Dry during the day. Temperatures will range between 24 and 29 degrees. Moderate easterly winds, fresh offshore at first.

Outlook : Mainly fine in the following couple of days. Cloudier with one or two showers in the middle and latter parts of next week.


(The above forecast period is valid up to 23:59 HKT tomorrow, 20/10/2019; Regular update at : around 45 minutes past each hour, 16:15 HKT and 23:15 HKT)

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MARINE FORECAST
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Marine Forecast

Weather Information for the Marine Community

Bulletin issued at 09:00 HKT 19/Oct/2019

GALE WARNING AREA: BASHI.

GENERAL SITUATION AT 182100 UTC:
THE NORTHEAST MONSOON IS AFFECTING THE FORECAST AREAS.

MARINE FORECAST FOR 24 HOURS FROM 190100 UTC:

HONG KONG= E TO NE 4-5. RAIN PATCHES. SEA UP TO 2 M. SWELL NE 2 M. TEMP 29-24 C. =
KWANGTUNG= E TO NE 5-6, OCNL 7 IN E. RAIN PATCHES. SEA 2-3 M, UP TO 4 M IN E. SWELL NE 2-3 M. =
TAIWAN STRAIT= NE 6-7. CLD. SEA 3-4 M. SWELL NE 2-3 M. =
BASHI= N TO NE 6-7, OCNL 8. DOWN TO 2000 M IN SCT SQUALLY SHOWERS AND TS. SEA UP TO 6 M. SWELL NE 3 M. =
PRATAS= NE 5-6. RAIN PATCHES. SEA 2-3 M. SWELL NE 2-3 M. =
BALINTANG= N TO NE 6-7. DOWN TO 2000 M IN SCT SQUALLY SHOWERS AND TS. SEA 3-4 M. SWELL NE 3 M. =
SCARBOROUGH= NE 5-6. ISOL SHOWERS. SEA 2-3 M. SWELL NE 2 M. =
PARACEL= NE 4-5, OCNL 6. ISOL SHOWERS AND TS. SEA UP TO 3 M. SWELL NE 2 M. =
TONKIN= E TO NE 4-5. ISOL SHOWERS AND TS. SEA UP TO 2 M. =
DANANG= E TO NE 4-5, OCNL 6. ISOL SHOWERS AND TS. SEA UP TO 3 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.


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    • 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 19/Oct/2019

    Weather information for south China coastal waters issued by the Hong Kong Observatory at 4:30 p.m. on 19 October 2019

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

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

    Tropical Storm Neoguri has intensified into a severe tropical storm. At 4 p.m., Neoguri with maximum sustained winds of about 90 kilometres per hour near its centre was located at 21.6 degrees north, 127.2 degrees east. It is forecast to move northwest or west-northwest at about 10 kilometres per hour across the seas east of Taiwan.

    Area forecasts for the next 24 hours

    Hong Kong Adjacent Waters:
    East to northeast force 4 to 5.
    Moderate seas.

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

    Shanwei and South of Hong Kong:
    East to northeast force 4 to 5, occasionally force 6.
    Moderate to rough seas.

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

    Outlook for the next 48 hours
    East to northeasterly winds of force 5 to 6, up to force 7 in east at first.

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

    Waglan Island Wind east force 3
      Visibility 18 Kilometres

    Shantou Wind east-southeast force 2
      Visibility 20 Kilometres

    Dongsha Wind northeast force 4
      Visibility 10 Kilometres

    Huangmaozhou Wind east force 4

    Macau Wind north-northeast force 3
      Visibility 15 Kilometres

    Xisha Wind northeast force 3
      Visibility 19 Kilometres

  • Explanation of Seas or Sea Waves
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    • WEATHER FORECAST FOR LOCAL AVIATION
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    Weather Forecast for Local Aviation

    Bulletin issued at 17:30 HKT 19/OCT/2019
    (Next update at 01:30 HKT 20/OCT/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 1800 TO 0400 HKT:
             WIND                           TEMPERATURE (DEG. C)
   A.   SURFACE:  080/10, OCNL 15
       OFFSHORE:  080/15-20                            29-24
   B.   2000 FT:  070/15-20                            20
   C.   5000 FT:  050/15-20                            15
   D.  10000 FT:  330/15                               9
   E.  18000 FT:  290/20                               MS5
   F.  24000 FT:  280/30                               MS16
   G.  30000 FT:  280/45                               MS29
   H. INVERSION LEVEL(S) (ONLY WHEN BELOW 5000 FEET) : 
      NIL.
   I. WEATHER       : 
      MAINLY FINE. A FEW RAIN PATCHES LATER.
   J. CLOUD (HEIGHT ABOVE MSL) : 
      FEW 3000 FT.
   K. VISIBILITY    : 10 KM. TEMPO 4000 M IN RAIN.
   L. 0 DEG. C LEVEL: 16000 FT      10 DEG. C LEVEL(S) : 8600 FT
   M. TURBULENCE    : MOD OFFSHORE AND NEAR HILLS.
   N. SEA STATE     : 2.0-2.5 M     SEA TEMPERATURE    : 28 DEG
IV.  FURTHER OUTLOOK: 
     MODERATE EASTERLY WINDS, FRESH OFFSHORE. MAINLY
     FINE. A FEW 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.

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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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    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 19/Oct/2019 
    HKO Readings & Radiation Level

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

Hong Kong Observatory
Maximum Air Temperature                     29.0 C
Minimum Air Temperature                     24.7 C
Grass Minimum Temperature                   24.2 C
Relative Humidity                        55 - 81 Percent
Rainfall                                      Trace 
Total rainfall since 1st January          2379.2 mm
Against an average of                     2309.7 mm

Other Stations                Min                  Max
King's Park                  24.3 C               29.2 C
Wong Chuk Hang               22.2 C               28.4 C
Ta Kwu Ling                  20.7 C               29.7 C
Lau Fau Shan                 22.8 C               29.1 C
Tai Po                       23.0 C               28.0 C
Sha Tin                      22.8 C               29.4 C
Tuen Mun                     23.9 C               29.9 C
Tseung Kwan O                21.7 C               29.7 C
Sai Kung                     23.5 C               28.4 C
Cheung Chau                  22.4 C               29.6 C
Chek Lap Kok                 25.0 C               29.3 C
Tsing Yi                     23.3 C               29.9 C
Shek Kong                    21.6 C               29.5 C
Tsuen Wan Ho Koon            21.7 C               27.7 C
Tsuen Wan Shing Mun Valley   21.5 C               29.9 C
Hong Kong Park               23.8 C               29.5 C
Shau Kei Wan                 22.2 C               29.2 C
Kowloon City                 23.8 C               29.9 C
Happy Valley                 23.6 C               30.1 C
Wong Tai Sin                 23.8 C               30.8 C
Stanley                      23.1 C               29.1 C
Kwun Tong                    23.2 C               30.0 C
Sham Shui Po                 24.2 C               30.2 C
Kai Tak Runway Park          24.0 C               30.3 C
Yuen Long Park               22.8 C               31.2 C
Tai Mei Tuk               23.4 C               29.7 C

Duration of sunshine (King's Park):              8.3 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 (18 Oct 2019) 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                               0.11
Yuen Ng Fan                         0.12
Tai Mei Tuk                         0.11
Sha Tau Kok                         0.10
Kwun Tong                           0.13
Sai Wan Ho                          0.10
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 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 18 Oct
     2003copy right image | Important notices | Privacy policy Last revision date: <19 Oct 2019> 

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