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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 14/Apr/2018

At noon at the Hong Kong Observatory the air temperature was 28 degrees Celsius and the relative humidity 68 per cent.
During the past hour the mean UV Index recorded at King's Park was 3. The intensity of UV radiation was moderate.

The air temperatures at other places were:

King's Park 28 degrees;
Wong Chuk Hang 28 degrees;
Ta Kwu Ling 30 degrees;
Lau Fau Shan 28 degrees;
Tai Po 29 degrees;
Sha Tin 29 degrees;
Tuen Mun 27 degrees;
Tseung Kwan O 29 degrees;
Sai Kung 26 degrees;
Cheung Chau 28 degrees;
Chek Lap Kok 29 degrees;
Tsing Yi 29 degrees;
Shek Kong 29 degrees;
Tsuen Wan Ho Koon 27 degrees;
Tsuen Wan Shing Mun Valley 29 degrees;
Hong Kong Park 28 degrees;
Shau Kei Wan 28 degrees;
Kowloon City 29 degrees;
Happy Valley 29 degrees;
Wong Tai Sin 29 degrees;
Stanley 28 degrees;
Kwun Tong 29 degrees;
Sham Shui Po 29 degrees;
Kai Tak Runway Park 28 degrees;
Yuen Long Park 29 degrees;
Tai Mei Tuk 31 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 14 Apr


Local Weather Forecast
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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 14/Apr/2018

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

A southerly airstream is affecting the south China coastal areas. Meanwhile, a cold front over the northern part of Guangdong is moving southwards gradually. It is expected to move across the coastal areas tomorrow morning.

Weather forecast for this afternoon and tonight

Hot with sunny periods in the afternoon. Cloudy with a few showers tonight. Light to moderate southerly winds.

Outlook : Cooler with showers and a few thunderstorms in the next couple of days. It will be brighter midweek next week.


(The above forecast period is valid up to 23:59 HKT today, 14/04/2018; 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 14/Apr/2018

N0 WARNING.

GENERAL SITUATION AT 132100 UTC:
COLD FRONT 24N 105E 25N 112E 30N 122E S 15KT.

MARINE FORECAST FOR 24 HOURS FROM 140100 UTC:

HONG KONG= S 4, N TO NE 5-6 LATER. DOWN TO 500 M IN FOG PATCHES AT FIRST. ISOL SHOWERS AND TS LATER. SEA 2-3 M LATER. TEMP 30-21 C. =
KWANGTUNG= S 4-5, N TO NE 5-6 LATER. DOWN TO 500 M IN FOG PATCHES AT FIRST. ISOL SHOWERS AND TS LATER. SEA UP TO 2 M, 2-3 M LATER. =
TAIWAN STRAIT= S 4-5, OCNL 6, N TO NE 6-7 LATER. DOWN TO 500 M IN FOG PATCHES AT FIRST. ISOL SHOWERS AND TS LATER. SEA UP TO 3 M, 3-4 M LATER. =
BASHI= SE 4-5, OCNL 6, N TO NE 6-7 LATER. ISOL SHOWERS AND TS LATER. SEA UP TO 3 M, 3-4 M LATER. =
PRATAS= SE 4-5, N TO NE 5-6 LATER. ISOL SHOWERS AND TS LATER. SEA UP TO 2 M, 2-3 M LATER. =
BALINTANG= SE 4-5, OCNL 6. ISOL SHOWERS. SEA UP TO 3 M. =
SCARBOROUGH= E TO NE 4-5. FINE. SEA UP TO 2 M. =
PARACEL= S TO SE 4-5, OCNL 6. ISOL SHOWERS. SEA UP TO 3 M. =
TONKIN= S 5-6, BEC N 6-7. DOWN TO 500 M IN FOG PATCHES AT FIRST. ISOL SHOWERS AND TS LATER. SEA 2-3 M, BEC 3-4 M. =
DANANG= S TO SE 4-5. DOWN TO 500 M IN FOG PATCHES AT FIRST. 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 12:30 HKT 14/Apr/2018

Weather information for south China coastal waters issued by the Hong Kong Observatory at 12:30 p.m. on 14 April 2018

Warnings:
Strong winds in all areas.

Weather Situation:
A southerly airstream is affecting the south China coastal waters. Besides, a cold front over the northern part of Guangdong is moving southwards gradually. It is expected to move across the south China coastal waters tomorrow morning.

Area forecasts for the next 24 hours

Hong Kong Adjacent Waters:
South force 4, becoming north to northeast force 5 to 6.
Isolated showers and thunderstorms.
Moderate seas, becoming rough.

Nan'ao, Shanwei, South of Hong Kong and Shangchuan Dao:
South force 4, occasionally force 5, becoming north to northeast force 5 to 6.
Isolated showers and thunderstorms.
Moderate seas, becoming rough.

Outlook for the next 48 hours
Northeasterly winds of force 6, occasionally force 7. Isolated showers and thunderstorms.

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

Waglan Island Wind southeast force 2
  Visibility 37 Kilometres

Shantou Wind south force 2
  Visibility 30 Kilometres

Huangmaozhou Wind southeast force 3

Macau Wind south-southeast force 3
  Visibility 25 Kilometres

Xisha Wind south-southeast force 2
  Visibility 26 Kilometres


WEATHER FORECAST FOR LOCAL AVIATION
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Weather Forecast for Local Aviation

Bulletin issued at 12:30 HKT 14/APR/2018
(Next update at 17:30 HKT 14/APR/2018)
I.   SIGNIFICANT WEATHER WITHIN 100 KILOMETER RADIUS OF H.K :
     ISOL CUNIM/TS AND ASSOCIATED HAZARDS.
II.  SYNOPSIS OF THE WEATHER SITUATION :
     A SOUTHERLY AIRSTREAM IS AFFECTING THE SOUTH
     CHINA COASTAL AREAS. BESIDES, A COLD FRONT OVER
     THE NORTHERN PART OF SOUTHERN CHINA IS MOVING
     SOUTHWARDS GRADUALLY. IT IS EXPECTED TO MOVE
     ACROSS THE SOUTH CHINA COASTAL AREAS TOMORROW
     MORNING.
III. FORECAST FOR 100-KILOMETER RADIUS AROUND HONG KONG
     FROM 1300 TO 2300 HKT:
             WIND                           TEMPERATURE (DEG. C)
   A.   SURFACE:  170/10
                  BEC 360/10-15 LATER
                  TEMPO/VRB/15G25 IN TS                30-22
   B.   2000 FT:  200/10
                  BEC 330/10-15 LATER                  23
   C.   5000 FT:  210/25
                  BEC 270/20 LATER                     18
   D.  10000 FT:  270/20                               12
   E.  18000 FT:  280/35                               MS3
   F.  24000 FT:  270/30                               MS14
   G.  30000 FT:  300/50                               MS29
   H. INVERSION LEVEL(S) (ONLY WHEN BELOW 5000 FEET) : 
      3400-4100 FT
   I. WEATHER       : 
      SUNNY PERIODS IN THE AFTERNOON. MAINLY CLOUDY
      WITH A FEW SHOWERS AND ISOLATED THUNDERSTORMS
      TONIGHT.
   J. CLOUD (HEIGHT ABOVE MSL) : 
      FEW 1000 FT SCT 2500 FT. TEMPO FEW CB 800 FT
      SCT 2000 FT.
   K. VISIBILITY    : 10 KM. TEMPO 3000 M IN SHOWERS. TEMPO 1500 M IN TS.
   L. 0 DEG. C LEVEL: 15500 FT      10 DEG. C LEVEL(S) : 10400 FT
   M. TURBULENCE    : MOD TO SEV NEAR CUNIM/TS AND  MOD NEAR HILLS
   N. SEA STATE     : 0.5-1.5 M     SEA TEMPERATURE    : 23 DEG
IV.  FURTHER OUTLOOK: 
     FRESH TO STRONG NORTH TO NORTHEASTERLY WINDS.
     CLOUDY WITH A FEW SHOWERS AND ISOLATED
     THUNDERSTORMS.=
===================================================================
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 14:15 HKT on 07 Apr 18

VHHK SIGMET 1 VALID 070615/071015 VHHH- VHHK HONG KONG FIR SEV ICE OBS N OF N2030 AND E OF E11230 FL140/200 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: <06 Apr 2018> 

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/Apr/2018
HKO Readings & Radiation Level

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

Hong Kong Observatory
Maximum Air Temperature                     30.6 C
Minimum Air Temperature                     24.6 C
Grass Minimum Temperature                   23.1 C
Relative Humidity                        63 - 90 Percent
Rainfall                                      TRACE 
Total rainfall since 1st January            89.4 mm
Against an average of                      244.0 mm

Other Stations                Min                  Max
King's Park                  23.9 C               30.2 C
Wong Chuk Hang               24.2 C               27.9 C
Ta Kwu Ling                  24.2 C               30.8 C
Lau Fau Shan                 24.3 C               29.8 C
Tai Po                       24.2 C               29.4 C
Sha Tin                      24.5 C               30.4 C
Tuen Mun                     24.2 C               29.0 C
Tseung Kwan O                24.0 C               28.6 C
Sai Kung                     23.9 C               26.2 C
Cheung Chau                  23.3 C               28.5 C
Chek Lap Kok                 25.0 C               30.0 C
Tsing Yi                     25.1 C               30.3 C
Shek Kong                    25.4 C               31.1 C
Tsuen Wan Ho Koon            23.6 C               28.4 C
Tsuen Wan Shing Mun Valley   24.4 C               29.9 C
Hong Kong Park               24.5 C               29.5 C
Shau Kei Wan                 23.3 C               27.2 C
Kowloon City                 23.8 C               29.8 C
Happy Valley                 24.7 C               29.7 C
Wong Tai Sin                 24.3 C               29.3 C
Stanley                      23.6 C               28.3 C
Kwun Tong                    24.0 C               29.5 C
Sham Shui Po                 24.6 C               29.9 C
Kai Tak Runway Park          23.7 C               27.0 C
Yuen Long Park               24.5 C               30.4 C
Tai Mei Tuk               23.6 C               29.1 C

Duration of sunshine (King's Park):              6.0 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 6.
Sea surface temperature (Waglan Island):        23.8 C 

Yesterday's (13 Apr 2018) average ambient gamma radiation
dose rate taken outdoors in Hong Kong ranged from 0.08 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                           0.08
Tap Mun                             0.08
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                         0.15
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 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 Apr
Last revision date: <14 Apr 2018> 

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