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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 12:02 HKT 09/Apr/2017

At noon at the Hong Kong Observatory the air temperature was 27 degrees Celsius and the relative humidity 79 per cent.
During the past hour the mean UV Index recorded at King's Park was 4. The intensity of UV radiation was moderate.

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 27 degrees;
Wong Chuk Hang 25 degrees;
Ta Kwu Ling 27 degrees;
Lau Fau Shan 30 degrees;
Tai Po 27 degrees;
Sha Tin 28 degrees;
Tuen Mun 27 degrees;
Tseung Kwan O 26 degrees;
Sai Kung 25 degrees;
Cheung Chau 25 degrees;
Chek Lap Kok 28 degrees;
Tsing Yi 27 degrees;
Shek Kong 27 degrees;
Tsuen Wan Ho Koon 26 degrees;
Tsuen Wan Shing Mun Valley 27 degrees;
Hong Kong Park 26 degrees;
Shau Kei Wan 24 degrees;
Kowloon City 27 degrees;
Happy Valley 27 degrees;
Wong Tai Sin 28 degrees;
Stanley 26 degrees;
Kwun Tong 27 degrees;
Sham Shui Po 28 degrees;
Kai Tak Runway Park 25 degrees;
Yuen Long Park 29 degrees;
Tai Mei Tuk 28 degrees.

No rainfall was recorded at the Hong Kong Observatory between midnight last night and midday today.


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


Climatological Information for 9 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 11:45 HKT 09/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 this afternoon and tonight

Sunny periods in the afternoon. Mainly cloudy with coastal fog tonight. Moderate southerly winds.

Outlook : Warm with coastal fog tomorrow. Rainy with a few thunderstorms midweek this week.


(The above forecast period is valid up to 23:59 HKT today, 09/04/2017; 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 09:00 HKT 09/Apr/2017

N0 WARNING.

GENERAL SITUATION AT 082100 UTC:
A HUMID SOUTHERLY AIRSTREAM IS AFFECTING THE FORECAST AREAS.

MARINE FORECAST FOR 24 HOURS FROM 090100 UTC:

HONG KONG= S 4-5. DOWN TO 100 M IN FOG PATCHES. ISOL SHOWERS. SEA UP TO 2 M. TEMP 29-23 C. =
KWANGTUNG= S 4-5, UP TO 6 IN W. DOWN TO 500 M IN FOG OR RAIN PATCHES. SEA UP TO 3 M. =
TAIWAN STRAIT= SW 4-5, BEC 6. DOWN TO 500 M IN FOG OR RAIN PATCHES. SEA 2 M, BEC 3 M. =
BASHI= SE 4-5, BEC SW 5-6. FINE. SEA 2 M, BEC 3 M. =
PRATAS= S 4, 5 LATER. FINE. SEA UP TO 2 M LATER. =
BALINTANG= SE 4-5, BEC SW 4-5. FINE. SEA UP TO 2 M. =
SCARBOROUGH= S TO SE 4. FINE. =
PARACEL= S 4-5, OCNL 6. DOWN TO 500 M IN FOG OR RAIN PATCHES IN N. SEA UP TO 3 M. =
TONKIN= S 4-5, OCNL 6. DOWN TO 500 M IN FOG OR RAIN PATCHES. SEA UP TO 3 M. =
DANANG= S 4-5, OCNL 6. DOWN TO 500 M IN FOG OR RAIN PATCHES. 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.



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 12:30 HKT 09/Apr/2017

Weather information for south China coastal waters issued by the Hong Kong Observatory at 12:30 p.m. on 09 April 2017

Warnings:
Strong winds in Shangchuan Dao. Fog in all areas.

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

Area forecasts for the next 24 hours

Hong Kong Adjacent Waters:
South force 4 to 5.
Fog patches, isolated showers.
Moderate seas.

Nan'ao and Shanwei:
South to southwest force 4, becoming force 5 later.
Fog patches.
Moderate seas.

South of Hong Kong:
South force 4 to 5.
Fog patches.
Moderate seas.

Shangchuan Dao:
South force 4 to 5, occasionally force 6.
Fog patches.
Moderate to rough seas.

Outlook for the next 48 hours
South to southwesterly winds of force 4 to 5. Fog patches. Becoming northeasterly winds of force 6 later. Isolated showers and thunderstorms.

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

Waglan Island Wind south-southeast force 2
  Visibility 17 Kilometres

Shantou Wind west force 2
  Visibility 28 Kilometres

Dongsha Wind south force 2
  Visibility 10 Kilometres

Huangmaozhou Wind south-southeast force 3

Macau Wind south-southeast force 3
  Visibility 15 Kilometres

Xisha Wind south force 2
  Visibility 23 Kilometres


WEATHER FORECAST FOR LOCAL AVIATION
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Weather Forecast for Local Aviation

Bulletin issued at 09:30 HKT 09/APR/2017
(Next update at 17:30 HKT 09/APR/2017)
I.   SIGNIFICANT WEATHER WITHIN 100 KILOMETER RADIUS OF H.K :
     FOG.
     STRONG WINDS AND SEV TURB.
II.  SYNOPSIS OF THE WEATHER SITUATION :
     A SOUTHERLY AIRSTREAM IS AFFECTING THE SOUTH
     CHINA COASTAL AREAS.
III. FORECAST FOR 100-KILOMETER RADIUS AROUND HONG KONG
     FROM 1000 TO 2000 HKT:
             WIND                           TEMPERATURE (DEG. C)
   A.   SURFACE:  160/10                               25-29
   B.   2000 FT:  210/15-20, OCNL 25 LATER             21
   C.   5000 FT:  230/30                               20
   D.  10000 FT:  260/30                               11
   E.  18000 FT:  290/30                               MS1
   F.  24000 FT:  300/35                               MS13
   G.  30000 FT:  300/35                               MS28
   H. INVERSION LEVEL(S) (ONLY WHEN BELOW 5000 FEET) : 
      4100 - 4400 FT.
   I. WEATHER       : 
      MAINLY CLOUDY WITH LOCALIZED FOG/MIST IN THE
      MORNING.  SUNNY PERIODS DURING THE DAY.  THERE
      WILL BE ISOLATED SHOWERS.
   J. CLOUD (HEIGHT ABOVE MSL) : 
      FEW 1000 FT  SCT 3500 FT.
   K. VISIBILITY    : 7 KM.  TEMPO 4000 M IN MIST/SHOWERS.
                      TEMPO 800 M IN FOG.
   L. 0 DEG. C LEVEL: 17000 FT      10 DEG. C LEVEL(S) : 10400 FT
   M. TURBULENCE    : MOD TO SEV NEAR HILLS.
   N. SEA STATE     : 1.0-1.5 M     SEA TEMPERATURE    : 21 DEG
IV.  FURTHER OUTLOOK: 
     MODERATE SOUTH TO SOUTHWESTERLY WINDS, FRESH TO
     STRONG ON HIGH GROUND.  MAINLY CLOUDY WITH
     LOCALIZED FOG/MIST AND 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 02:25 HKT on 07 Apr 17

VHHK SIGMET 1 VALID 061825/062225 VHHH- VHHK HONG KONG FIR SEV ICE FCST WI N2318 E11618 - N2342 E11730 - N2124 E11730 - N1900 E11230 - N2048 E11230 - N2300 E11536 - N2318 E11618 FL150/240 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: <06 Feb 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 09/Apr/2017
HKO Readings & Radiation Level

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

Hong Kong Observatory
Maximum Air Temperature                     27.5 C
Minimum Air Temperature                     23.0 C
Grass Minimum Temperature                   22.0 C
Relative Humidity                        73 - 93 Percent
Rainfall                                       0 mm 
Total rainfall since 1st January            76.2 mm
Against an average of                      210.2 mm

Other Stations                Min                  Max
King's Park                  22.2 C               27.8 C
Wong Chuk Hang               21.1 C               26.5 C
Ta Kwu Ling                  21.8 C               28.8 C
Lau Fau Shan                 21.8 C               28.1 C
Tai Po                       21.6 C               27.1 C
Sha Tin                      20.8 C               27.8 C
Tuen Mun                     22.9 C               27.4 C
Tseung Kwan O                21.3 C               28.0 C
Sai Kung                     21.6 C               26.1 C
Cheung Chau                  21.9 C               26.0 C
Chek Lap Kok                 23.9 C               28.3 C
Tsing Yi                     22.0 C               28.5 C
Shek Kong                    21.2 C               29.6 C
Tsuen Wan Ho Koon            20.9 C               26.4 C
Tsuen Wan Shing Mun Valley   21.2 C               27.8 C
Hong Kong Park               22.0 C               27.6 C
Shau Kei Wan                 22.0 C               26.4 C
Kowloon City                 22.0 C               27.8 C
Happy Valley                 21.8 C               28.2 C
Wong Tai Sin                 21.7 C               27.9 C
Stanley                      21.8 C               26.3 C
Kwun Tong                    22.5 C               27.6 C
Sham Shui Po                 22.7 C               28.6 C
Kai Tak Runway Park          21.9 C               26.2 C
Yuen Long Park               21.7 C               28.3 C
Tai Mei Tuk               21.5 C               27.4 C

Duration of sunshine (King's Park):              2.2 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 5.
Sea surface temperature (Waglan Island):        21.5 C 

Yesterday's (08 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 08 Apr
Last revision date: <09 Apr 2017> 

From Weather Underground