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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 23:02 HKT 12/Jan/2018

At 11 p.m. at the Hong Kong Observatory the air temperature was 13 degrees Celsius and the relative humidity 66 per cent.

Please be reminded that:

The Fire Danger Warning is Red and the fire risk is extreme.
The Cold Weather Warning is now in force. Cold weather might cause adverse health effects. Members of the public should take care to keep warm.

The air temperatures at other places were:

King's Park 13 degrees;
Wong Chuk Hang 10 degrees;
Ta Kwu Ling 6 degrees;
Lau Fau Shan 9 degrees;
Tai Po 10 degrees;
Sha Tin 9 degrees;
Tuen Mun 10 degrees;
Tseung Kwan O 9 degrees;
Sai Kung 12 degrees;
Cheung Chau 11 degrees;
Chek Lap Kok 13 degrees;
Tsing Yi 12 degrees;
Shek Kong 8 degrees;
Tsuen Wan Ho Koon 9 degrees;
Tsuen Wan Shing Mun Valley 8 degrees;
Hong Kong Park 12 degrees;
Shau Kei Wan 12 degrees;
Kowloon City 12 degrees;
Happy Valley 11 degrees;
Wong Tai Sin 11 degrees;
Stanley 13 degrees;
Kwun Tong 12 degrees;
Sham Shui Po 12 degrees;
Kai Tak Runway Park 14 degrees;
Yuen Long Park 8 degrees;
Tai Mei Tuk 11 degrees.


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


Climatological Information for 12 Jan


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 23:15 HKT 12/Jan/2018

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

A dry winter monsoon continued to affect southern China today. Locally, it was cold this morning. Temperatures over the urban areas generally fell to 11 degrees or below. The weather was sunny and very dry during the day. The relative humidity over the territory stayed below 40 per cent. The monsoon is expected to moderate in the next couple of days, temperatures and humidity over the south China coastal areas will rise gradually.

Weather forecast for Hong Kong (Saturday, 13 Jan 2018)

Fine and dry. Cold in the morning with a minimum temperature of around 12 degrees in the urban areas, and a few degrees lower in the New Territories. The maximum temperature will be about 15 degrees during the day. Moderate to fresh east to northeasterly winds, occasionally strong offshore.

Outlook : Mainly fine in the following few days. Rather cool on Sunday morning. Temperatures will rise gradually next week.


(The above forecast period is valid up to 23:59 HKT tomorrow, 13/01/2018; 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 12/Jan/2018

GALE WARNING AREAS: KWANGTUNG, TAIWAN STRAIT, BASHI, PRATAS, BALINTANG, SCARBOROUGH, PARACEL AND DANANG.

GENERAL SITUATION AT 120900 UTC:
AN INTENSE NORTHEAST MONSOON IS AFFECTING THE FORECAST AREAS.

MARINE FORECAST FOR 24 HOURS FROM 121300 UTC:

HONG KONG= E TO NE 6-7. FINE. SEA 3-4 M. SWELL NE UP TO 2 M. TEMP 12-15 C. =
KWANGTUNG= E TO NE 6-7, 8 IN E. FINE. SEA 3-4 M, 6 M IN E. SWELL NE 2-3 M. =
TAIWAN STRAIT= NE 7-8. FINE. SEA 4-6 M. SWELL NE 2-3 M. =
BASHI= E TO NE 7-8. RAIN PATCHES. SEA 4-6 M. SWELL NE 3 M. =
PRATAS= E TO NE 7-8. RAIN PATCHES. SEA 4-6 M. SWELL NE 3 M. =
BALINTANG= E TO NE 7-8. RAIN PATCHES. SEA 4-6 M. SWELL NE 3 M. =
SCARBOROUGH= NE 7-8. FINE. SEA 4-6 M. SWELL NE 3 M. =
PARACEL= NE 7-8. RAIN PATCHES. SEA 4-6 M. SWELL NE 2-3 M. =
TONKIN= NE 5-6, OCNL 7. RAIN PATCHES. SEA UP TO 4 M. SWELL NE 2 M. =
DANANG= NE 6-7, OCNL 8. RAIN PATCHES. SEA UP TO 6 M. SWELL NE 2-3 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 23:30 HKT 12/Jan/2018

Weather information for south China coastal waters issued by the Hong Kong Observatory at 11:30 p.m. on 12 January 2018

Warnings:
Gale force winds in Nan'ao. Strong winds in Hong Kong adjacent waters, Shanwei, south of Hong Kong and Shangchuan Dao.

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

Area forecasts for the next 24 hours

Hong Kong Adjacent Waters:
East to northeast force 6 to 7.
Rough seas.

Nan'ao:
East to northeast force 7 to 8.
Rough to very rough seas.

Shanwei, South of Hong Kong and Shangchuan Dao:
East to northeast force 6 to 7.
Rough seas.

Outlook for the next 48 hours
Easterly winds of force 5 to 6.

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

Waglan Island Wind east-northeast force 5
  Visibility 21 Kilometres

Shantou Wind east-northeast force 2
  Visibility 23 Kilometres

Dongsha Wind northeast force 5
  Visibility 10 Kilometres

Huangmaozhou Wind northeast force 5

Macau Wind east force 2
  Visibility 40 Kilometres

Xisha Wind northeast force 4
  Visibility 11 Kilometres in showers


WEATHER FORECAST FOR LOCAL AVIATION
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Weather Forecast for Local Aviation

Bulletin issued at 17:30 HKT 12/JAN/2018
(Next update at 01:30 HKT 13/JAN/2018)
I.   SIGNIFICANT WEATHER WITHIN 100 KILOMETER RADIUS OF H.K :
     STRONG WINDS AND SEV TURB.
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:  070/10-15
       OFFSHORE:  070/15-20 OCNL 25                    15-12
   B.   2000 FT:  080/15-20 OCNL 25                    6
   C.   5000 FT:  080/15                               6
   D.  10000 FT:  290/10                               MS2
   E.  18000 FT:  270/45                               MS6
   F.  24000 FT:  310/55                               MS18
   G.  30000 FT:  310/75                               MS31
   H. INVERSION LEVEL(S) (ONLY WHEN BELOW 5000 FEET) : 
      3200-5000 FT
   I. WEATHER       : 
      FINE.
   J. CLOUD (HEIGHT ABOVE MSL) : 
      NO CLOUDS OF HEIGHT AT OR BELOW 10000 FT
   K. VISIBILITY    : 10 KM.
   L. 0 DEG. C LEVEL: 8500 FT       10 DEG. C LEVEL(S) : 1500 FT
   M. TURBULENCE    : MOD TO SEV OFFSHORE AND NEAR HILLS
   N. SEA STATE     : 2.0-3.5 M     SEA TEMPERATURE    : 17 DEG
IV.  FURTHER OUTLOOK: 
     MODERATE TO FRESH EAST TO NORTHEASTERLY
     WINDS,OCCASIONALLY STRONG OFFSHORE. FINE.=
===================================================================
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 20:11 HKT on 01 Dec 17

VHHK SIGMET 4 VALID 010820/011220 VHHH- VHHK HONG KONG FIR EMBD TS FCST WI N1642 E11400 - N1736 E11312 - N1812 E11512 - N1642 E11400 TOP FL450 MOV W 05KT NC= VHHK SIGMET 5 VALID 011220/011620 VHHH- VHHK HONG KONG FIR EMBD TS FCST WI N1806 E11506 - N1642 E11400 - N1712 E11330 - N1818 E11448 - N1806 E11506 TOP FL420 MOV W 05KT 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 Jan 2018> 

TROPICAL CYCLONE WARNING FOR SHIPPING
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Tropical Cyclone Warning for Shipping

Tropical Cyclone Warning |  Track and Positions of Tropical Cyclones
Current Weather |  Local Weather Forecast |  9-day Weather Forecast
South China Coastal Waters |  Marine Forecast
Severe Weather Information Centre

Bulletin issued at 15:30 HKT 04/Jan/2018


Tropical Cyclone Warning

At 040600 UTC, Tropical Depression Bolaven (1801) has weakened into an area of low pressure.

No further warnings on this area of low pressure will be issued by the Hong Kong Observatory unless regeneration takes place.




The Hong Kong Observatory's tropical cyclone warnings for shipping are issued about one and a half hours after the time of observation. They incorporate additional information derived from surface and upper-air data and may therefore be slightly different from the real-time satellite or radar-based positions given in the hourly bulletins for public.

While the forecast positions and track indicate the most likely future path of the tropical cyclone, they may deviate from the actual path taken by the storm.

Tropical Cyclone Track

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 12/Jan/2018
HKO Readings & Radiation Level

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

Hong Kong Observatory
Maximum Air Temperature                     16.1 C
Minimum Air Temperature                     12.1 C
Grass Minimum Temperature                   10.0 C
Relative Humidity                        33 - 48 Percent
Rainfall                                      Trace 
Total rainfall since 1st January            41.8 mm
Against an average of                        7.5 mm

Other Stations                Min                  Max
King's Park                  11.7 C               16.8 C
Wong Chuk Hang               12.6 C               19.2 C
Ta Kwu Ling                   9.6 C               17.2 C
Lau Fau Shan                 10.1 C               17.9 C
Tai Po                       10.2 C               16.5 C
Sha Tin                      12.2 C               17.3 C
Tuen Mun                     11.5 C               17.7 C
Sai Kung                     11.6 C               16.2 C
Cheung Chau                  10.9 C               16.5 C
Chek Lap Kok                 12.4 C               17.7 C
Tsing Yi                     11.7 C               17.9 C
Shek Kong                    11.1 C               18.1 C
Tsuen Wan Ho Koon             9.2 C               16.4 C
Tsuen Wan Shing Mun Valley   11.4 C               18.0 C
Hong Kong Park               12.1 C               18.0 C
Shau Kei Wan                 11.6 C               17.6 C
Kowloon City                 11.4 C               17.2 C
Happy Valley                 12.7 C               18.7 C
Wong Tai Sin                 11.7 C               18.1 C
Stanley                      12.2 C               17.3 C
Kwun Tong                    11.4 C               17.2 C
Sham Shui Po                 12.2 C               18.8 C
Kai Tak Runway Park          12.6 C               17.5 C
Yuen Long Park               10.7 C               18.2 C
Tai Mei Tuk               11.2 C               16.3 C

Duration of sunshine (King's Park):              9.3 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):        16.7 C 

Yesterday's (11 Jan 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                               0.10
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                        0.15

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 11 Jan
Last revision date: <12 Jan 2018> 

From Weather Underground