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Bulletin issued at 10:02 HKT 14/Oct/2019

At 10 a.m. at the Hong Kong Observatory the air temperature was 25 degrees Celsius and the relative humidity 96 per cent.
During the past hour the mean UV Index recorded at King's Park was 0.7. The intensity of UV radiation was low.

Though rainstorm warning has been cancelled, people should stay alert to the danger that may be brought about by river flooding.

Please be reminded that:

The Thunderstorm Warning has been issued. It will remain effective until 11:30 a.m. today. Isolated thunderstorms are expected to occur over Lantau, Hong Kong Island and Kowloon.

The air temperatures at other places were:

King's Park 24 degrees;
Wong Chuk Hang 24 degrees;
Ta Kwu Ling 26 degrees;
Lau Fau Shan 27 degrees;
Tai Po 25 degrees;
Sha Tin 25 degrees;
Tuen Mun 26 degrees;
Tseung Kwan O 24 degrees;
Sai Kung 25 degrees;
Cheung Chau 23 degrees;
Chek Lap Kok 27 degrees;
Tsing Yi 25 degrees;
Shek Kong 26 degrees;
Tsuen Wan Ho Koon 24 degrees;
Tsuen Wan Shing Mun Valley 25 degrees;
Hong Kong Park 27 degrees;
Shau Kei Wan 25 degrees;
Kowloon City 24 degrees;
Happy Valley 25 degrees;
Wong Tai Sin 25 degrees;
Stanley 24 degrees;
Kwun Tong 24 degrees;
Sham Shui Po 25 degrees;
Kai Tak Runway Park 25 degrees;
Yuen Long Park 27 degrees;
Tai Mei Tuk 25 degrees.

Between 8:45 and 9:45 a.m., lightning was detected within Hong Kong and Kowloon. The rainfall recorded in various regions were:

Islands District 0 to 32 mm;
Southern District 7 to 18 mm;
Eastern District 8 to 14 mm;
Sai Kung 0 to 14 mm;
Wan Chai 12 to 13 mm;
Central & Western District 2 to 12 mm;
Kwun Tong 8 to 12 mm;
Kowloon City 0 to 7 mm;
Yau Tsim Mong 3 to 6 mm;
Wong Tai Sin 2 to 5 mm;
Sham Shui Po 0 to 1 mm.


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


Climatological Information for 14 Oct

Regional Weather in Hong Kong

Information on Tropical Cyclones

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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 10:00 HKT 14/Oct/2019

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

Thundery showers are affecting the coastal areas of Guangdong. Locally, more than 20 millimetres of rainfall were recorded over many places this morning, and rainfall even exceeded 40 millimetres over New Territories East and Hong Kong Island.

Weather forecast for today

Mainly cloudy with occasional showers. Isolated thunderstorms at first. Moderate east to northeasterly winds, fresh offshore later.

Outlook : Becoming fine and dry with slightly cooler mornings in the next few days. Windy tomorrow.


(The above forecast period is valid up to 23:59 HKT today, 14/10/2019; 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 14/Oct/2019

GALE WARNING AREAS: KWANGTUNG, TAIWAN STRAIT AND BASHI.

GENERAL SITUATION AT 132100 UTC:
THE NORTHEAST MONSOON IS AFFECTING THE FORECAST AREAS.

MARINE FORECAST FOR 24 HOURS FROM 140100 UTC:

HONG KONG= E TO NE 5-6, 7 LATER. ISOL SHOWERS AND SQUALLY TS. SEA 2-3 M, 4 M LATER. TEMP 28-24 C. =
KWANGTUNG= E TO NE 6-7, OCNL 8 IN E. ISOL SHOWERS AND SQUALLY TS. SEA 3-4 M, 6 M IN E. SWELL NE 2-3 M. =
TAIWAN STRAIT= NE 7-8. FINE. SEA 4-6 M. SWELL NE 2-3 M. =
BASHI= E TO NE 6-7, OCNL 8. DOWN TO 4000 M IN ISOL SQUALLY SHOWERS AND TS. SEA UP TO 6 M. SWELL NE 2-3 M. =
PRATAS= E TO NE 5-6, OCNL 7. ISOL SHOWERS AND SQUALLY TS. SEA UP TO 4 M. SWELL NE 2-3 M. =
BALINTANG= E TO NE 6-7. ISOL SHOWERS AND TS. SEA 3-4 M. SWELL NE 2-3 M. =
SCARBOROUGH= NE 5-6. ISOL SHOWERS. SEA 2-3 M. SWELL NE 2 M. =
PARACEL= E TO NE 5-6. ISOL SHOWERS AND SQUALLY TS. SEA 2-3 M. SWELL NE 2 M. =
TONKIN= E TO NE 4-5, OCNL 6. DOWN TO 4000 M IN ISOL SQUALLY SHOWERS AND TS. SEA UP TO 3 M. =
DANANG= E TO NE 4-5, OCNL 6. ISOL SHOWERS AND SQUALLY TS. SEA UP TO 3 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 09:30 HKT 14/Oct/2019

    Weather information for south China coastal waters issued by the Hong Kong Observatory at 9:30 a.m. on 14 October 2019

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

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

    Area forecasts for the next 24 hours

    Hong Kong Adjacent Waters:
    East to northeast force 5 to 6, up to force 7 later.
    Isolated showers and squally thunderstorms. Showers will be heavy at times at first.
    Moderate to rough seas.

    Nan'ao:
    Northeast force 6 to 7, occasionally force 8.
    Isolated showers and squally thunderstorms.
    Rough to very rough seas.

    Shanwei:
    East to northeast force 6 to 7.
    Isolated showers and squally thunderstorms.
    Rough seas.

    South of Hong Kong and Shangchuan Dao:
    East to northeast force 5 to 6, up to force 7 later.
    Isolated showers and squally thunderstorms.
    Moderate to rough seas.

    Outlook for the next 48 hours
    East to northeasterly winds of force 6 to 7, up to force 8 in east at first. Isolated showers and thunderstorms.

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

    Waglan Island Wind north-northwest force 2
      Visibility 2200 Metres

    Shantou Wind east force 2
      Visibility 29 Kilometres

    Dongsha Wind east-northeast force 3
      Visibility 10 Kilometres

    Huangmaozhou Wind east-northeast force 5

    Macau Wind north-northeast force 3
      Visibility 3500 Metres in mist

  • Explanation of Seas or Sea Waves
  • Explanation of Swells
  • Descriptive Terms of Wind Speeds
  • Visibility Readings in Hong Kong Waters
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    • WEATHER FORECAST FOR LOCAL AVIATION
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    Weather Forecast for Local Aviation

    Bulletin issued at 09:30 HKT 14/OCT/2019
    (Next update at 12:30 HKT 14/OCT/2019)
    I.   SIGNIFICANT WEATHER WITHIN 100 KILOMETER RADIUS OF H.K :
     STRONG WINDS AND SEV TURB. ISOL CUNIM/TS AND
     ASSOCIATED HAZARDS.
II.  SYNOPSIS OF THE WEATHER SITUATION :
     THUNDERY SHOWERS ARE AFFECTING THE COASTAL AREAS
     OF GUANGDONG.
III. FORECAST FOR 100-KILOMETER RADIUS AROUND HONG KONG
     FROM 1000 TO 2000 HKT:
             WIND                           TEMPERATURE (DEG. C)
   A.   SURFACE:  060/10, OCNL 15
                  TEMPO VRB/20G30 IN TS
       OFFSHORE:  070/15-20, 25 LATER                  25-29
   B.   2000 FT:  070/20-25                            21
   C.   5000 FT:  070/20-25                            17
   D.  10000 FT:  080/20                               8
   E.  18000 FT:  060/15                               MS4
   F.  24000 FT:  350/15                               MS13
   G.  30000 FT:  340/15                               MS26
   H. INVERSION LEVEL(S) (ONLY WHEN BELOW 5000 FEET) : 
      NIL.
   I. WEATHER       : 
      MAINLY CLOUDY WITH ISOLATED SHOWERS AND SQUALLY
      THUNDERSTORMS. SHOWERS WILL BE HEAVY AT FIRST.
   J. CLOUD (HEIGHT ABOVE MSL) : 
      FEW 1500 FT SCT 3000 FT.
      TEMPO FEW CB 1200 FT SCT 2000 FT BKN 4000 FT.
   K. VISIBILITY    : 8 KM. TEMPO 4000 M IN SHOWERS. 
                      TEMPO 2000 M IN TS.
   L. 0 DEG. C LEVEL: 15500 FT      10 DEG. C LEVEL(S) : 8600 FT
   M. TURBULENCE    : MOD TO SEV NEAR CUNIM/TS, 
                      OFFSHORE AND NEAR HILLS.
   N. SEA STATE     : 2.0-3.0 M     SEA TEMPERATURE    : 29 DEG
IV.  FURTHER OUTLOOK: 
     MODERATE TO FRESH EAST TO NORTHEASTERLY WINDS,
     STRONG OFFSHORE.
     MAINLY CLOUDY WITH ISOLATED SHOWERS.=

    ===================================================================
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 07:56 HKT on 14 Oct 19

    VHHK SIGMET 4 VALID 132355/140355 VHHH- VHHK HONG KONG FIR EMBD TS FCST WI N2014 E11130 - N2130 E11130 - N2303 E11513 - N2139 E11508 - N2014 E11130 TOP FL330 MOV SW 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 14/Oct/2019 
    HKO Readings & Radiation Level

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

Hong Kong Observatory
Maximum Air Temperature                     30.8 C
Minimum Air Temperature                     24.5 C
Grass Minimum Temperature                   24.7 C
Relative Humidity                        72 - 95 Percent
Rainfall                                    13.6 mm 
Total rainfall since 1st January          2316.7 mm
Against an average of                     2286.4 mm

Other Stations                Min                  Max
King's Park                  23.7 C               30.5 C
Wong Chuk Hang               24.0 C               29.7 C
Ta Kwu Ling                  23.5 C               30.4 C
Lau Fau Shan                 23.1 C               29.0 C
Tai Po                       22.9 C               28.4 C
Sha Tin                      23.8 C               29.6 C
Tuen Mun                     23.5 C               29.3 C
Tseung Kwan O                23.6 C               29.1 C
Sai Kung                     23.8 C               29.1 C
Cheung Chau                  23.1 C               29.9 C
Chek Lap Kok                 24.4 C               30.4 C
Tsing Yi                     23.5 C               29.9 C
Shek Kong                    23.2 C               30.9 C
Tsuen Wan Ho Koon            22.7 C               28.0 C
Tsuen Wan Shing Mun Valley   23.0 C               30.1 C
Hong Kong Park               23.5 C               29.7 C
Shau Kei Wan                 23.2 C               30.7 C
Kowloon City                 23.3 C               29.8 C
Happy Valley                 24.1 C               30.5 C
Wong Tai Sin                 23.7 C               30.1 C
Stanley                      23.7 C               30.0 C
Kwun Tong                    23.5 C               29.5 C
Sham Shui Po                 23.3 C               31.2 C
Kai Tak Runway Park          24.1 C               29.4 C
Yuen Long Park               23.3 C               31.1 C
Tai Mei Tuk               22.5 C               30.4 C

Duration of sunshine (King's Park):              5.0 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 (13 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                           0.10
Tap Mun                             0.09
Kat O                               0.12
Yuen Ng Fan                         0.13
Tai Mei Tuk                         0.12
Sha Tau Kok                         0.11
Kwun Tong                           0.13
Sai Wan Ho                          0.10
King's Park                         0.15
Tsim Bei Tsui                       0.14
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 13 Oct
     2003copy right image | Important notices | Privacy policy Last revision date: <14 Oct 2019> 

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