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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 06:02 HKT 19/Apr/2017

At 6 a.m. at the Hong Kong Observatory the air temperature was 25 degrees Celsius and the relative humidity 88 per cent.

The air temperatures at other places were:

King's Park 24 degrees;
Wong Chuk Hang 23 degrees;
Ta Kwu Ling 22 degrees;
Lau Fau Shan 24 degrees;
Tai Po 23 degrees;
Sha Tin 25 degrees;
Tuen Mun 24 degrees;
Tseung Kwan O 24 degrees;
Sai Kung 23 degrees;
Cheung Chau 23 degrees;
Chek Lap Kok 25 degrees;
Tsing Yi 24 degrees;
Shek Kong 23 degrees;
Tsuen Wan Ho Koon 23 degrees;
Tsuen Wan Shing Mun Valley 24 degrees;
Hong Kong Park 25 degrees;
Shau Kei Wan 25 degrees;
Kowloon City 24 degrees;
Happy Valley 25 degrees;
Wong Tai Sin 24 degrees;
Stanley 24 degrees;
Kwun Tong 25 degrees;
Sham Shui Po 25 degrees;
Kai Tak Runway Park 25 degrees;
Yuen Long Park 24 degrees;
Tai Mei Tuk 24 degrees.


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


Climatological Information for 19 Apr


Local Weather Forecast
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Local Weather Forecast RSS

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 06:20 HKT 19/Apr/2017

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

A southerly airstream is affecting the coast of Guangdong.

Weather forecast for today

Hot with sunny intervals. The maximum temperature will be about 29 degrees. Isolated showers later. Light to moderate southwesterly winds.

Outlook : Becoming more showery in the next couple of days. Slightly cooler during the weekend.


(The above forecast period is valid up to 23:59 HKT today, 19/04/2017; 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 21:00 HKT 18/Apr/2017

N0 WARNING.

GENERAL SITUATION AT 180900 UTC:
A SOUTHERLY AIRSTREAM IS AFFECTING THE FORECAST AREAS.

MARINE FORECAST FOR 24 HOURS FROM 181300 UTC:

HONG KONG= SW 4, OCNL 5. ISOL SHOWERS. SEA UP TO 2 M. TEMP 24-29 C. =
KWANGTUNG= S TO SW 4, OCNL 5. ISOL SHOWERS. SEA UP TO 2 M. =
TAIWAN STRAIT= SW 4-5. DOWN TO 2000 M IN MIST OR RAIN PATCHES. SEA UP TO 2 M. =
BASHI= SW 4-5. RAIN PATCHES. SEA UP TO 2 M. =
PRATAS= SW 4-5. ISOL SHOWERS AND TS. SEA UP TO 2 M. =
BALINTANG= SW 4-5. ISOL SHOWERS AND TS. SEA UP TO 2 M. =
SCARBOROUGH= S TO SW 4-5, OCNL 6. ISOL SHOWERS AND TS. SEA UP TO 3 M. =
PARACEL= S 4, OCNL 5. ISOL SHOWERS. SEA UP TO 2 M. =
TONKIN= SE 4, OCNL 5. ISOL SHOWERS AND TS. SEA UP TO 2 M. =
DANANG= SE 4, OCNL 5. ISOL SHOWERS. 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 05:30 HKT 19/Apr/2017

Weather information for south China coastal waters issued by the Hong Kong Observatory at 5:30 a.m. on 19 April 2017

Weather Situation:
A southerly airstream is affecting the coastal waters of Guangdong.

Area forecasts for the next 24 hours

Hong Kong Adjacent Waters:
Southwest force 4, occasionally force 5.
Isolated showers.
Moderate seas.

Nan'ao, Shanwei and South of Hong Kong:
Southwest force 4, occasionally force 5.
Moderate seas.

Shangchuan Dao:
South to southwest force 4, occasionally force 5.
Moderate seas.

Outlook for the next 48 hours
South to southwesterly winds of force 4 to 5.

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

Waglan Island Wind west-southwest force 3
  Visibility 10 Kilometres

Shantou Wind west-northwest force 1
  Visibility 7 Kilometres

Dongsha Wind west-southwest force 2
  Visibility 10 Kilometres

Huangmaozhou Wind southwest force 2

Macau Wind south-southwest force 2
  Visibility 8 Kilometres

Xisha Wind south force 1
  Visibility 30 Kilometres


WEATHER FORECAST FOR LOCAL AVIATION
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Weather Forecast for Local Aviation

Bulletin issued at 01:30 HKT 19/APR/2017
(Next update at 9:00-9:30 HKT 19/APR/2017)
I.   SIGNIFICANT WEATHER WITHIN 100 KILOMETER RADIUS OF H.K :
     NIL.
II.  SYNOPSIS OF THE WEATHER SITUATION :
     A SOUTHERLY AIRSTREAM IS AFFECTING THE COASTAL
     AREAS OF GUANGDONG.
     
III. FORECAST FOR 100-KILOMETER RADIUS AROUND HONG KONG
     FROM 0200 TO 1200 HKT:
             WIND                           TEMPERATURE (DEG. C)
   A.   SURFACE:  220/5-10
       OFFSHORE:  220/10-15                            24-30
   B.   2000 FT:  220/10                               24
   C.   5000 FT:  260/10                               19
   D.  10000 FT:  250/20                               10
   E.  18000 FT:  250/30                               MS5
   F.  24000 FT:  240/40                               MS15
   G.  30000 FT:  240/30                               MS28
   H. INVERSION LEVEL(S) (ONLY WHEN BELOW 5000 FEET) : 
      NIL
   I. WEATHER       : 
      MAINLY CLOUDY WITH ISOLATED SHOWERS. LOCALISED
      MIST AT FIRST.  SUNNY INTERVALS DURING THE DAY.
   J. CLOUD (HEIGHT ABOVE MSL) : 
      FEW 2500 FT.
   K. VISIBILITY    : 7 KM. TEMPO 4000 M IN MIST/SHOWERS.
   L. 0 DEG. C LEVEL: 16500 FT      10 DEG. C LEVEL(S) : 10000 FT
   M. TURBULENCE    : NIL
   N. SEA STATE     : 1.0-1.5 M     SEA TEMPERATURE    : 23 DEG
IV.  FURTHER OUTLOOK: 
     MODERATE SOUTHWESTERLY WINDS. SUNNY INTERVALS
     DURING THE DAY. 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 05:30 HKT on 18 Apr 17

VHHK SIGMET 1 VALID 172130/180130 VHHH- VHHK HONG KONG FIR EMBD TS FCST S OF N1830 TOP FL380 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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Last revision date: <18 Apr 2017> 

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/Apr/2017
HKO Readings & Radiation Level

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

Hong Kong Observatory
Maximum Air Temperature                     30.7 C
Minimum Air Temperature                     23.9 C
Grass Minimum Temperature                   22.9 C
Relative Humidity                        58 - 94 Percent
Rainfall                                       0 mm 
Total rainfall since 1st January            98.3 mm
Against an average of                      260.5 mm

Other Stations                Min                  Max
King's Park                  23.4 C               30.5 C
Wong Chuk Hang               23.6 C               29.3 C
Ta Kwu Ling                  21.5 C               32.5 C
Lau Fau Shan                 23.1 C               32.6 C
Tai Po                       22.8 C               32.4 C
Sha Tin                      23.3 C               32.5 C
Tuen Mun                     23.1 C               31.9 C
Tseung Kwan O                22.7 C               33.0 C
Sai Kung                     23.1 C               32.1 C
Cheung Chau                  22.7 C               31.1 C
Chek Lap Kok                 23.9 C               31.3 C
Tsing Yi                     22.7 C               30.8 C
Shek Kong                    22.5 C               32.8 C
Tsuen Wan Shing Mun Valley   22.5 C               31.3 C
Hong Kong Park               23.2 C               31.8 C
Shau Kei Wan                 23.6 C               32.3 C
Kowloon City                 23.3 C               32.5 C
Happy Valley                 23.3 C               33.1 C
Wong Tai Sin                 23.2 C               32.5 C
Stanley                      23.5 C               29.5 C
Kwun Tong                    23.7 C               32.4 C
Sham Shui Po                 23.9 C               31.7 C
Kai Tak Runway Park          23.7 C               31.7 C
Yuen Long Park               22.6 C               32.8 C
Tai Mei Tuk               23.2 C               32.2 C

Duration of sunshine (King's Park):              10.5 H
The mean UV index recorded at King's Park yesterday was 5,
the UV intensity was Moderate.
The maximum UV index for yesterday was 10.
Sea surface temperature (Waglan Island):        23.4 C 

Yesterday's (18 Apr 2017) average ambient gamma radiation
dose rate taken outdoors in Hong Kong ranged from 0.08 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                           0.08
Tap Mun                             0.09
Kat O                               0.09
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                        0.14

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 18 Apr
Last revision date: <19 Apr 2017> 

From Weather Underground