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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 22:02 HKT 15/Apr/2017

At 10 p.m. at the Hong Kong Observatory the air temperature was 24 degrees Celsius and the relative humidity 89 per cent.

The air temperatures at other places were:

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


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


Climatological Information for 15 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 21:45 HKT 15/Apr/2017

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

A maritime airstream is affecting the coastal areas of Guangdong.

At 8 p.m., the tropical depression in the vicinity of the Philippines was centred about 640 kilometres southeast of Manila. It is forecast to move west-northwest at about 20 kilometres per hour across the central part of the Philippines.

Weather forecast for tonight and tomorrow

Mainly cloudy. Coastal fog tonight and tomorrow morning. Sunny periods tomorrow. Temperatures will range between 23 and 28 degrees. Light to moderate southeasterly winds.

Outlook : Sunny periods in the following couple of days.


(The above forecast period is valid up to 23:59 HKT tomorrow, 16/04/2017; 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 15/Apr/2017

N0 WARNING.

GENERAL SITUATION AT 150900 UTC:
A SOUTHEASTERLY AIRSTREAM IS GENERALLY AFFECTING THE FORECAST AREAS.

MARINE FORECAST FOR 24 HOURS FROM 151300 UTC:

HONG KONG= SE 3-4. DOWN TO 500 M IN FOG PATCHES. TEMP 23-28 C. =
KWANGTUNG= E TO SE 3-4. DOWN TO 500 M IN FOG OR RAIN PATCHES. =
TAIWAN STRAIT= E TO SE 4-5. DOWN TO 500 M IN FOG OR RAIN PATCHES. SEA UP TO 2 M. =
BASHI= E TO SE 4-5, OCNL 6. FINE. SEA UP TO 3 M. SWELL E UP TO 2 M. =
PRATAS= E TO NE 4-5. FINE. SEA UP TO 2 M. =
BALINTANG= E TO SE 4-5, OCNL 6. FINE. SEA UP TO 3 M. SWELL E UP TO 2 M. =
SCARBOROUGH= NE 3-4. FINE. ISOL SHOWERS AND TS LATER. =
PARACEL= SE 3-4. DOWN TO 500 M IN FOG OR RAIN PATCHES IN N. =
TONKIN= SE 3-4, OCNL 5. DOWN TO 500 M IN FOG OR RAIN PATCHES. SEA UP TO 2 M. =
DANANG= SE 3-4, OCNL 5. DOWN TO 500 M IN FOG OR RAIN PATCHES. 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 19:30 HKT 15/Apr/2017

Weather information for south China coastal waters issued by the Hong Kong Observatory at 7:30 p.m. on 15 April 2017

Warnings:
Fog in all areas.

Weather Situation:
A southeasterly airstream is affecting the south China coastal waters.

At 7 p.m., the tropical depression in the vicinity of the Philippines with maximum sustained winds of about 45 kilometres per hour near its centre was located near 11.2 degrees north, 125.9 degrees east. It is forecast to move west-northwest at about 20 kilometres per hour across the central part of the Philippines.

Area forecasts for the next 24 hours

Hong Kong Adjacent Waters:
Southeast force 3 to 4.
Fog patches.
Slight to moderate seas.

Nan'ao and Shanwei:
East to southeast force 3 to 4.
Fog patches.
Slight to moderate seas.

South of Hong Kong and Shangchuan Dao:
Southeast force 3 to 4.
Fog patches.
Slight to moderate seas.

Outlook for the next 48 hours
Southeasterly winds of force 4, becoming southwesterly winds of force 4 to 5 later. Fog patches.

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

Waglan Island Wind northeast force 2
  Visibility 7 Kilometres

Shantou Wind east-southeast force 2
  Visibility 21 Kilometres

Dongsha Wind northeast force 2
  Visibility 10 Kilometres

Huangmaozhou Wind east-northeast force 4

Macau Wind east-southeast force 1
  Visibility 4300 Metres in mist

Xisha Wind east-southeast force 1
  Visibility 30 Kilometres


WEATHER FORECAST FOR LOCAL AVIATION
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Weather Forecast for Local Aviation

Bulletin issued at 17:30 HKT 15/APR/2017
(Next update at 01:30 HKT 16/APR/2017)
I.   SIGNIFICANT WEATHER WITHIN 100 KILOMETER RADIUS OF H.K :
     NIL.
II.  SYNOPSIS OF THE WEATHER SITUATION :
     A SOUTHEASTERLY AIRSTREAM IS GENERALLY AFFECTING
     THE COASTAL AREAS OF GUANGDONG.
III. FORECAST FOR 100-KILOMETER RADIUS AROUND HONG KONG
     FROM 1800 TO 0400 HKT:
             WIND                           TEMPERATURE (DEG. C)
   A.   SURFACE:  160/5-10
       OFFSHORE:  160/10-15                            26-22
   B.   2000 FT:  180/15-20                            21
   C.   5000 FT:  200/10                               17
   D.  10000 FT:  240/15                               11
   E.  18000 FT:  260/30                               MS5
   F.  24000 FT:  260/45                               MS16
   G.  30000 FT:  270/55                               MS29
   H. INVERSION LEVEL(S) (ONLY WHEN BELOW 5000 FEET) : 
      NIL.
   I. WEATHER       : 
      MAINLY CLOUDY. A FEW SHOWERS AT FIRST.
      LOCALIZED MIST.
   J. CLOUD (HEIGHT ABOVE MSL) : 
      FEW 2000 FT  SCT 4000 FT.
   K. VISIBILITY    : 7 KM.  TEMPO 3500 M IN SHOWERS/MIST.
   L. 0 DEG. C LEVEL: 16000 FT      10 DEG. C LEVEL(S) : 10400 FT
   M. TURBULENCE    : MOD NEAR HILLS.
   N. SEA STATE     : 1.0-1.5 M     SEA TEMPERATURE    : 22 DEG
IV.  FURTHER OUTLOOK: 
     LIGHT TO MODERATE SOUTHEASTERLY WINDS.  
     MAINLY CLOUDY, SUNNY INTERVALS.  
     LOCALIZED FOG/MIST 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.


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 19:13 HKT on 13 Apr 17

VHHK SIGMET 2 VALID 130715/131115 VHHH- VHHK HONG KONG FIR EMBD TS FCST WI N1842 E11212 - N1930 E11130 - N2100 E11130 - N2124 E11348 - N1936 E11436 - N1842 E11212 TOP FL380 MOV E 10KT NC= VHHK SIGMET 3 VALID 131115/131515 VHHH- VHHK HONG KONG FIR EMBD TS FCST WI N1730 E11318 - N2000 E11230 - N2030 E11518 - N1900 E11512 - N1748 E11400 - N1730 E11318 TOP FL380 MOV E 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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Last revision date: <15 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 15/Apr/2017
HKO Readings & Radiation Level

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

Hong Kong Observatory
Maximum Air Temperature                     24.7 C
Minimum Air Temperature                     19.9 C
Grass Minimum Temperature                   20.2 C
Relative Humidity                        69 - 87 Percent
Rainfall                                       0 mm 
Total rainfall since 1st January            98.3 mm
Against an average of                      249.7 mm

Other Stations                Min                  Max
King's Park                  19.2 C               25.0 C
Wong Chuk Hang               19.4 C               23.9 C
Ta Kwu Ling                  18.5 C               24.9 C
Lau Fau Shan                 18.4 C               23.8 C
Tai Po                       19.1 C               23.4 C
Sha Tin                      19.5 C               25.3 C
Tuen Mun                     19.3 C               24.5 C
Tseung Kwan O                18.9 C               24.8 C
Sai Kung                     19.4 C               24.4 C
Cheung Chau                  19.1 C               23.9 C
Chek Lap Kok                 20.2 C               25.3 C
Tsing Yi                     20.0 C               25.1 C
Shek Kong                    19.1 C               25.4 C
Tsuen Wan Ho Koon            18.1 C               23.5 C
Tsuen Wan Shing Mun Valley   19.4 C               25.7 C
Hong Kong Park               19.8 C               24.5 C
Shau Kei Wan                 19.3 C               23.8 C
Kowloon City                 19.1 C               24.5 C
Happy Valley                 19.9 C               26.0 C
Wong Tai Sin                 19.4 C               25.4 C
Stanley                      19.7 C               23.6 C
Kwun Tong                    19.3 C               24.8 C
Sham Shui Po                 19.9 C               25.5 C
Kai Tak Runway Park          20.1 C               24.3 C
Yuen Long Park               19.0 C               25.0 C
Tai Mei Tuk               18.7 C               24.5 C

Duration of sunshine (King's Park):              4.0 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.
Sea surface temperature (Waglan Island):        22.0 C 

Yesterday's (14 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                               0.10
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                        0.14

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 14 Apr
Last revision date: <15 Apr 2017> 

From Weather Underground