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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 21:02 HKT 27/Apr/2017

At 9 p.m. at the Hong Kong Observatory the air temperature was 21 degrees Celsius and the relative humidity 75 per cent.

The air temperatures at other places were:

King's Park 21 degrees;
Wong Chuk Hang 21 degrees;
Ta Kwu Ling 21 degrees;
Lau Fau Shan 20 degrees;
Tai Po 21 degrees;
Sha Tin 21 degrees;
Tuen Mun 21 degrees;
Tseung Kwan O 20 degrees;
Sai Kung 21 degrees;
Cheung Chau 19 degrees;
Chek Lap Kok 22 degrees;
Tsing Yi 21 degrees;
Shek Kong 21 degrees;
Tsuen Wan Ho Koon 20 degrees;
Tsuen Wan Shing Mun Valley 21 degrees;
Hong Kong Park 20 degrees;
Shau Kei Wan 20 degrees;
Kowloon City 20 degrees;
Happy Valley 21 degrees;
Wong Tai Sin 21 degrees;
Stanley 21 degrees;
Kwun Tong 20 degrees;
Sham Shui Po 21 degrees;
Kai Tak Runway Park 21 degrees;
Yuen Long Park 21 degrees;
Tai Mei Tuk 20 degrees.


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


Climatological Information for 27 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 20:45 HKT 27/Apr/2017

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

The northeast monsoon is bringing cooler weather to Guangdong.

At 8 p.m., Tropical Depression Muifa was centred about 890 kilometres north-northwest of Yap. It is forecast to move north-northeast at about 14 kilometres per hour across the western North Pacific to the east of the Philippines.

Weather forecast for tonight and tomorrow

Mainly cloudy. One or two showers at first. Cooler tomorrow morning with a minimum temperature of about 19 degrees. Sunny intervals during the day with a maximum temperature of around 23 degrees. Moderate northeasterly winds, fresh offshore at first.

Outlook : Mainly fine with temperatures rising progressively during the weekend.


(The above forecast period is valid up to 23:59 HKT tomorrow, 28/04/2017; 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 27/Apr/2017

N0 WARNING.

GENERAL SITUATION AT 270900 UTC:
THE NORTHEAST MONSOON IS AFFECTING THE FORECAST AREAS.

MARINE FORECAST FOR 24 HOURS FROM 271300 UTC:

HONG KONG= NE 4-5, OCNL 6. A FEW SHOWERS. SEA UP TO 3 M. SWELL NE UP TO 2 M. TEMP 19-23 C. =
KWANGTUNG= NE 6, 7 IN E. ISOL SHOWERS. SEA 3-4 M. SWELL NE 2 M. =
TAIWAN STRAIT= NE 6-7. ISOL SHOWERS. SEA 3-4 M. SWELL NE 2-3 M. =
BASHI= NE 6-7. ISOL SHOWERS AND TS. SEA 3-4 M. SWELL NE 2-3 M. =
PRATAS= NE 6-7. ISOL SHOWERS AND TS. SEA 3-4 M. SWELL NE 2 M. =
BALINTANG= NE 6-7. ISOL SHOWERS AND TS. SEA 3-4 M. SWELL NE 2-3 M. =
SCARBOROUGH= N TO NE 5-6. ISOL SHOWERS AND TS. SEA 2-3 M. SWELL NE 2 M. =
PARACEL= NE 5-6. ISOL SHOWERS AND TS. SEA 2-3 M. SWELL NE 2 M. =
TONKIN= NE 6. ISOL SHOWERS AND TS. SEA 3 M. =
DANANG= NE 6. ISOL SHOWERS AND TS. SEA 3 M. SWELL NE 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 19:30 HKT 27/Apr/2017

Weather information for south China coastal waters issued by the Hong Kong Observatory at 7:30 p.m. on 27 April 2017

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 4 to 5, occasionally force 6.
A few showers.
Moderate to rough seas.

Nan'ao and Shanwei:
Northeast force 6 to 7.
Rough seas.

South of Hong Kong:
Northeast force 6.
Rough seas.

Shangchuan Dao:
Northeast force 6.
Isolated showers and thunderstorms.
Rough seas.

Outlook for the next 48 hours
East to southeasterly winds of force 4 to 5.

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

Waglan Island Wind north-northeast force 5
  Visibility 35 Kilometres

Shantou Wind east force 2
  Visibility 30 Kilometres in showers

Dongsha Wind east-northeast force 4
  Visibility 9 Kilometres in rain

Huangmaozhou Wind northeast force 4

Macau Wind north force 3
  Visibility 14 Kilometres

Xisha Wind southwest force 2
  Visibility 30 Kilometres


WEATHER FORECAST FOR LOCAL AVIATION
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Weather Forecast for Local Aviation

Bulletin issued at 17:30 HKT 27/APR/2017
(Next update at 01:30 HKT 28/APR/2017)
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:  030/10-15
       OFFSHORE:  030/15-20                            22-19
   B.   2000 FT:  040/15-20                            15
   C.   5000 FT:  020/10                               14
   D.  10000 FT:  290/20                               8
   E.  18000 FT:  300/40                               MS5
   F.  24000 FT:  310/50                               MS13
   G.  30000 FT:  280/45                               MS28
   H. INVERSION LEVEL(S) (ONLY WHEN BELOW 5000 FEET) : 
      NIL.
   I. WEATHER       : 
      MAINLY CLOUDY WITH A FEW SHOWERS.
   J. CLOUD (HEIGHT ABOVE MSL) : 
      FEW 1500 FT  SCT 2500 FT  BKN 10000 FT.
   K. VISIBILITY    : 9 KM.  TEMPO 4000 M IN SHOWERS.
   L. 0 DEG. C LEVEL: 15000 FT      10 DEG. C LEVEL(S) : 9200 FT
   M. TURBULENCE    : MOD AT LOW LEVELS.
   N. SEA STATE     : 2.0-2.5 M     SEA TEMPERATURE    : 23 DEG
IV.  FURTHER OUTLOOK: 
     MODERATE NORTHEASTERLY WINDS, FRESH OFFSHORE AT
     FIRST.  SUNNY INTERVALS.=
===================================================================
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 16:45 HKT on 27 Apr 17

VHHK SIGMET 2 VALID 270445/270845 VHHH- VHHK HONG KONG FIR EMBD TS FCST WI N2100 E11730 - N1936 E11618 - N1936 E11154 - N2200 E11600 - N2200 E11730 - N2100 E11730 TOP FL380 MOV E 10KT NC= VHHK SIGMET 4 VALID 270845/271245 VHHH- VHHK HONG KONG FIR EMBD TS FCST WI N2000 E11642 - N1836 E11536 - N1836 E11218 - N2000 E11254 - N2000 E11642 TOP FL380 MOV E 10KT WKN=

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: <27 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 27/Apr/2017
HKO Readings & Radiation Level

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

Hong Kong Observatory
Maximum Air Temperature                     26.8 C
Minimum Air Temperature                     22.4 C
Grass Minimum Temperature                   22.2 C
Relative Humidity                        87 - 97 Percent
Rainfall                                     2.9 mm 
Total rainfall since 1st January           131.0 mm
Against an average of                      313.1 mm

Other Stations                Min                  Max
King's Park                  22.2 C               27.4 C
Wong Chuk Hang               22.0 C               26.9 C
Ta Kwu Ling                  22.1 C               27.5 C
Lau Fau Shan                 21.7 C               28.9 C
Tai Po                       22.0 C               25.2 C
Sha Tin                      22.5 C               27.3 C
Tuen Mun                     22.8 C               26.9 C
Tseung Kwan O                21.7 C               25.3 C
Sai Kung                     22.2 C               24.9 C
Cheung Chau                  22.1 C               26.0 C
Chek Lap Kok                 23.2 C               28.9 C
Tsing Yi                     22.7 C               28.9 C
Shek Kong                    21.9 C               29.4 C
Tsuen Wan Ho Koon            21.8 C               25.8 C
Tsuen Wan Shing Mun Valley   22.5 C               27.9 C
Hong Kong Park               22.2 C               26.9 C
Shau Kei Wan                 21.7 C               25.0 C
Kowloon City                 22.0 C               27.7 C
Happy Valley                 22.3 C               28.3 C
Wong Tai Sin                 22.2 C               27.6 C
Stanley                      22.0 C               26.2 C
Kwun Tong                    22.2 C               27.1 C
Sham Shui Po                 22.9 C               28.5 C
Kai Tak Runway Park          22.6 C               25.6 C
Yuen Long Park               21.7 C               29.1 C
Tai Mei Tuk               21.9 C               26.1 C

Duration of sunshine (King's Park):              1.0 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 9.
 

Yesterday's (26 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 26 Apr
Last revision date: <27 Apr 2017> 

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