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Automatic Regional Weather Forecast in Hong Kong & Pearl River Delta Region

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9-day Weather Forecast | UV Index Forecast
Weather Information for South China Coastal Waters

Bulletin issued at 07:02 HKT 09/Feb/2018

At 7 a.m. at the Hong Kong Observatory the air temperature was 14 degrees Celsius and the relative humidity 73 per cent.

The air temperatures at other places were:

King's Park 14 degrees;
Wong Chuk Hang 15 degrees;
Ta Kwu Ling 13 degrees;
Lau Fau Shan 13 degrees;
Tai Po 14 degrees;
Sha Tin 14 degrees;
Tuen Mun 14 degrees;
Tseung Kwan O 13 degrees;
Sai Kung 14 degrees;
Cheung Chau 13 degrees;
Chek Lap Kok 15 degrees;
Tsing Yi 14 degrees;
Shek Kong 14 degrees;
Tsuen Wan Ho Koon 13 degrees;
Tsuen Wan Shing Mun Valley 15 degrees;
Hong Kong Park 14 degrees;
Shau Kei Wan 13 degrees;
Kowloon City 14 degrees;
Happy Valley 14 degrees;
Wong Tai Sin 14 degrees;
Stanley 14 degrees;
Kwun Tong 13 degrees;
Sham Shui Po 14 degrees;
Kai Tak Runway Park 15 degrees;
Yuen Long Park 14 degrees;
Tai Mei Tuk 13 degrees.


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


Climatological Information for 9 Feb


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 06:45 HKT 09/Feb/2018

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

The winter monsoon affecting the south China coast is moderating gradually. Meanwhile, a band of clouds is covering the coast of Guangdong.

Weather forecast for today

Mainly cloudy with one or two light rain patches. The maximum temperature will be around 17 degrees. Moderate east to northeasterly winds, fresh at first.

Outlook : Milder on Saturday. Cold in the mornings on Sunday and Monday.


(The above forecast period is valid up to 23:59 HKT today, 09/02/2018; 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 21:00 HKT 08/Feb/2018

GALE WARNING AREAS: TAIWAN STRAIT, BASHI AND BALINTANG.

GENERAL SITUATION AT 080900 UTC:
THE NORTHEAST MONSOON IS AFFECTING THE FORECAST AREAS.

MARINE FORECAST FOR 24 HOURS FROM 081300 UTC:

HONG KONG= E TO NE 4-5, OCNL 6. A FEW LIGHT RAIN PATCHES. SEA UP TO 3 M. SWELL E TO NE UP TO 2 M. TEMP 14-17 C. =
KWANGTUNG= E TO NE 5-6, UP TO 7 IN E. LGT RAIN PATCHES. SEA 2-3 M, UP TO 4 M IN E. SWELL E TO NE 2 M. =
TAIWAN STRAIT= NE 6-7, UP TO 8 AT FIRST. RAIN PATCHES. SEA 3-4 M, UP TO 6 M AT FIRST. SWELL NE 2-3 M. =
BASHI= E TO NE 6-7, UP TO 8 AT FIRST. RAIN PATCHES. SEA 3-4 M, UP TO 6 M AT FIRST. SWELL N TO NE 3 M. =
PRATAS= E TO NE 6-7. RAIN PATCHES. SEA 3-4 M. SWELL N TO NE 2-3 M. =
BALINTANG= E TO NE 6-7, UP TO 8 AT FIRST. RAIN PATCHES. SEA 3-4 M, UP TO 6 M AT FIRST. SWELL N TO NE 3 M. =
SCARBOROUGH= N TO NE 6-7. RAIN PATCHES. SEA 3-4 M. SWELL N TO NE 2-3 M. =
PARACEL= N TO NE 5-6. CLD. SEA 2-3 M. SWELL N TO NE 2 M. =
TONKIN= NE 4-5. CLD. SEA UP TO 2 M. =
DANANG= NE 4-5. CLD. SEA UP TO 2 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

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9-day Weather Forecast | UV Index Forecast | Weather Information for Fishermen

Bulletin issued at 05:30 HKT 09/Feb/2018

Weather information for south China coastal waters issued by the Hong Kong Observatory at 5:30 a.m. on 09 February 2018

Warnings:
Strong winds in all areas.

Weather Situation:
The northeast monsoon affecting the south China coastal waters is moderating gradually.

Area forecasts for the next 24 hours

Hong Kong Adjacent Waters:
East to northeast force 4 to 5, occasionally force 6.
One or two light rain patches.
Moderate to rough seas.

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

South of Hong Kong:
East to northeast force 5 to 6.
Moderate to rough seas.

Shangchuan Dao:
East to northeast force 4 to 5, occasionally force 6.
Moderate to rough seas.

Outlook for the next 48 hours
East to northeasterly winds of force 5 to 6, becoming northerly winds up to force 7 later.

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

Waglan Island Wind northeast force 5
  Visibility 12 Kilometres

Shantou Wind northeast force 1
  Visibility 25 Kilometres

Huangmaozhou Wind east force 6

Macau Wind east force 2
  Visibility 6 Kilometres

Xisha Wind calm
  Visibility 23 Kilometres


WEATHER FORECAST FOR LOCAL AVIATION
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Weather Forecast for Local Aviation

Bulletin issued at 01:30 HKT 09/FEB/2018
(Next update at 9:00-9:30 HKT 09/FEB/2018)
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 0200 TO 1200 HKT:
             WIND                           TEMPERATURE (DEG. C)
   A.   SURFACE:  090/10-15
       OFFSHORE:  090/15-20                            13-19
   B.   2000 FT:  130/15-20                            9
   C.   5000 FT:  180/15-20                            8
   D.  10000 FT:  260/25                               4
   E.  18000 FT:  280/55                               MS3
   F.  24000 FT:  260/60                               MS16
   G.  30000 FT:  260/60                               MS30
   H. INVERSION LEVEL(S) (ONLY WHEN BELOW 5000 FEET) : 
      4500 - 5000 FT.
   I. WEATHER       : 
      MAINLY CLOUDY WITH A FEW LIGHT RAIN PATCHES.
   J. CLOUD (HEIGHT ABOVE MSL) : 
      FEW 2500 FT  SCT 6000 FT.
   K. VISIBILITY    : 9 KM.  TEMPO 4000 M IN RAIN.
   L. 0 DEG. C LEVEL: 17000 FT      10 DEG. C LEVEL(S) : 1600 FT
   M. TURBULENCE    : MOD OFFSHORE AND NEAR HILLS.
   N. SEA STATE     : 2.0-2.5 M     SEA TEMPERATURE    : 15 DEG
IV.  FURTHER OUTLOOK: 
     MODERATE EAST TO NORTHEASTERLY WINDS. MAINLY
     CLOUDY WITH A FEW LIGHT RAIN PATCHES.=
===================================================================
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 16:05 HKT on 07 Feb 18

VHHK SIGMET 1 VALID 070605/070805 VHHH- VHHK HONG KONG FIR SEV TURB FCST WI N2212 E11300 - N2230 E11342 - N2342 E11730 - N2200 E11730 - N2100 E11300 - N2212 E11300 FL100/160 MOV E 10KT NC= VHHK SIGMET 2 VALID 070805/071105 VHHH- VHHK HONG KONG FIR SEV TURB FCST WI N2236 E11412 - N2342 E11730 - N2154 E11730 - N2118 E11418 - N2236 E11412 FL100/160 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 Feb 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 09/Feb/2018
HKO Readings & Radiation Level

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

Hong Kong Observatory
Maximum Air Temperature                     16.7 C
Minimum Air Temperature                     11.3 C
Grass Minimum Temperature                    9.5 C
Relative Humidity                        48 - 80 Percent
Rainfall                                       0 mm 
Total rainfall since 1st January            62.2 mm
Against an average of                       40.8 mm

Other Stations                Min                  Max
King's Park                  10.6 C               17.5 C
Wong Chuk Hang                9.9 C               17.1 C
Ta Kwu Ling                   6.6 C               17.9 C
Lau Fau Shan                  8.9 C               19.3 C
Tai Po                        9.2 C               16.3 C
Sha Tin                      10.2 C               17.1 C
Tuen Mun                     10.2 C               18.5 C
Tseung Kwan O                 9.3 C               17.2 C
Sai Kung                     11.2 C               15.4 C
Cheung Chau                  10.0 C               17.5 C
Chek Lap Kok                 11.2 C               17.6 C
Tsing Yi                      9.9 C               18.0 C
Shek Kong                     8.3 C               18.8 C
Tsuen Wan Ho Koon             8.9 C               18.3 C
Tsuen Wan Shing Mun Valley    8.4 C               17.8 C
Hong Kong Park               10.9 C               17.1 C
Shau Kei Wan                 10.6 C               17.5 C
Kowloon City                 10.7 C               18.3 C
Happy Valley                 10.3 C               18.0 C
Wong Tai Sin                 10.3 C               17.9 C
Stanley                      11.4 C               16.3 C
Kwun Tong                    10.7 C               15.8 C
Sham Shui Po                 10.9 C               18.4 C
Kai Tak Runway Park          11.0 C               16.6 C
Yuen Long Park                9.4 C               18.6 C
Tai Mei Tuk                9.9 C               18.2 C

Duration of sunshine (King's Park):              8.1 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):        15.1 C 

Yesterday's (08 Feb 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                             0.09
Kat O                               0.11
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                        0.15

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 08 Feb
Last revision date: <09 Feb 2018> 

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