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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 16/Sep/2016

At noon at the Hong Kong Observatory the air temperature was 30 degrees Celsius and the relative humidity 66 per cent.
During the past hour the mean UV Index recorded at King's Park was 9. The intensity of UV radiation was very high.

Hot weather might cause adverse health effects. The Observatory advises the public to stay on the alert.

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 31 degrees;
Wong Chuk Hang 32 degrees;
Ta Kwu Ling 32 degrees;
Lau Fau Shan 31 degrees;
Tai Po 29 degrees;
Sha Tin 31 degrees;
Tuen Mun 32 degrees;
Tseung Kwan O 32 degrees;
Sai Kung 31 degrees;
Cheung Chau 30 degrees;
Chek Lap Kok 32 degrees;
Tsing Yi 31 degrees;
Shek Kong 32 degrees;
Tsuen Wan Ho Koon 29 degrees;
Tsuen Wan Shing Mun Valley 31 degrees;
Hong Kong Park 32 degrees;
Shau Kei Wan 33 degrees;
Kowloon City 31 degrees;
Happy Valley 32 degrees;
Wong Tai Sin 33 degrees;
Stanley 32 degrees;
Kwun Tong 30 degrees;
Sham Shui Po 31 degrees;
Kai Tak Runway Park 31 degrees;
Yuen Long Park 31 degrees.

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

Here is the information on Severe Typhoon Malakas at noon:
Location: 20.7 degrees north, 124.0 degrees east.


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


Climatological Information for 16 Sep


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 16/Sep/2016

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

A relatively dry continental airstream is affecting the coast of Guangdong. Locally, the relative humidity over the territory were generally about 60 per cent around noon.

At noon, Severe Typhoon Malakas was centred about 720 kilometres south-southwest of Okinawa. It is forecast to move northwest at about 22 kilometres per hour in the general direction of the seas east of Taiwan.

Weather forecast for this afternoon and tonight

It will be fine. Hot and dry in the afternoon. Moderate northerly winds.

Outlook : Mainly fine and dry in the next couple of days.


(The above forecast period is valid up to 23:59 HKT today, 16/09/2016; 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 16/Sep/2016

HURRICANE WARNING AREAS: BASHI AND BALINTANG.

GENERAL SITUATION AT 152100 UTC:
SEVERE TYPHOON MALAKAS (1616) 950HPA 20N 125E NW 14KT INTSF.

MARINE FORECAST FOR 24 HOURS FROM 160100 UTC:

HONG KONG= N TO NW 4-5. ISOL SHOWERS AND TS. SEA UP TO 2 M. SWELL SW UP TO 2 M. TEMP 32-27 C. =
KWANGTUNG= NW 4-5. ISOL SHOWERS AND TS. SEA UP TO 2 M. SWELL S TO SW 2-3 M, NE UP TO 3 M LATER. =
TAIWAN STRAIT= SW 4-5, NE UP TO 6 LATER. DOWN TO 500 M IN FRQ HEAVY SQUALLY SHOWERS AND TS LATER. SEA 2 M, UP TO 3 M LATER. SWELL S TO SW 2-3 M. =
BASHI= CYCLONIC 12, W TO SW 8 LATER. DOWN TO 500 M IN FRQ HEAVY SQUALLY SHOWERS AND TS. SEA 14 M, 6 M LATER. SWELL E TO SE 3-5 M, SW 2-3 M. =
PRATAS= W TO SW 4-5. ISOL SHOWERS AND TS. SEA UP TO 2 M. SWELL S TO SW 2-3 M, E TO NE 3 M LATER. =
BALINTANG= W TO NW 12, BEC W TO SW 8. DOWN TO 500 M IN FRQ HEAVY SQUALLY SHOWERS AND TS. SEA 14 M, BEC 6 M. SWELL E TO SE 3-5 M, SW 2-3 M. =
SCARBOROUGH= SW 4-5. DOWN TO 500 M IN FRQ HEAVY SQUALLY SHOWERS AND TS LATER. SEA UP TO 2 M. SWELL SW 2-3 M, NE 3 M LATER. =
PARACEL= NW 4-5. ISOL SHOWERS AND TS. SEA UP TO 2 M. SWELL S TO SW 2 M. =
TONKIN= N TO NW 4-5. ISOL SHOWERS AND TS. SEA UP TO 2 M. =
DANANG= NW 4-5. ISOL SHOWERS AND TS. 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 16/Sep/2016

Weather information for south China coastal waters issued by the Hong Kong Observatory at 12:30 p.m. on 16 September 2016

Weather Situation:
At noon, Severe Typhoon Malakas with maximum sustained winds of about 155 kilometres per hour near its centre was located at 20.7 degrees north, 124.0 degrees east. It is forecast to move northwest at about 22 kilometres per hour in the general direction of the seas east of Taiwan.

Area forecasts for the next 24 hours

Hong Kong Adjacent Waters:
North force 4 to 5.
Isolated showers and thunderstorms.
Moderate seas.

Nan'ao:
Southeast force 4 to 5, becoming northwest force 4 to 5 later.
Isolated showers and thunderstorms.
Moderate seas.

Shanwei, South of Hong Kong and Shangchuan Dao:
Northwest force 4 to 5.
Isolated showers and thunderstorms.
Moderate seas.

Outlook for the next 48 hours
Northwesterly winds of force 4 to 5. Isolated squally showers and thunderstorms.

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

Waglan Island Wind east-northeast force 3
  Visibility 47 Kilometres

Shantou Wind west-southwest force 1
  Visibility 27 Kilometres

Dongsha Wind south force 1
  Visibility 10 Kilometres

Huangmaozhou Wind north-northeast force 2

Macau Wind north-northeast force 3
  Visibility 20 Kilometres

Xisha Wind west-southwest force 2
  Visibility 27 Kilometres


WEATHER FORECAST FOR LOCAL AVIATION
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Weather Forecast for Local Aviation

Bulletin issued at 10:15 HKT 16/SEP/2016
(Next update at 17:30 HKT 16/SEP/2016)
I.   SIGNIFICANT WEATHER WITHIN 100 KILOMETER RADIUS OF H.K :
     NIL.

II.  SYNOPSIS OF THE WEATHER SITUATION :
     A RELATIVELY DRY CONTINENTAL AIRSTREAM IS
     AFFECTING THE COAST OF GUANGDONG.
     AT 10 A.M., SEVERE TYPHOON MALAKAS WAS CENTRED
     NEAR 20.6 DEGREES NORTH, 124.3 DEGREES EAST.  IT
     IS FORECAST TO MOVE NORTHWEST AT ABOUT 12 KNOTS
     IN THE GENERAL DIRECTION OF THE SEAS EAST OF
     TAIWAN.

III. FORECAST FOR 100-KILOMETER RADIUS AROUND HONG KONG
     FROM 1015 TO 2000 HKT:
             WIND                           TEMPERATURE (DEG. C)
   A.   SURFACE:  340/5-10
       OFFSHORE:  340/15                               29-33
   B.   2000 FT:  010/15                               25
   C.   5000 FT:  010/15                               19
   D.  10000 FT:  020/15                               12
   E.  18000 FT:  010/10                               MS2
   F.  24000 FT:  040/10                               MS12
   G.  30000 FT:  190/15                               MS25
   H. INVERSION LEVEL(S) (ONLY WHEN BELOW 5000 FEET) : 
      NIL.
   I. WEATHER       : 
      FINE.
   J. CLOUD (HEIGHT ABOVE MSL) : 
      FEW 3000 FT.
   K. VISIBILITY    : 9 KM.
   L. 0 DEG. C LEVEL: 17500 FT      10 DEG. C LEVEL(S) : 12000 FT
   M. TURBULENCE    : MOD OFFSHORE AND NEAR HILLS.
   N. SEA STATE     : 1.5 M         SEA TEMPERATURE    : 27 DEG

IV.  FURTHER OUTLOOK: 
     LIGHT TO MODERATE NORTH TO NORTHWESTERLY WINDS.
     MAINLY 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 14:55 HKT on 15 Sep 16

VHHK SIGMET 2 VALID 150655/151000 VHHH- VHHK HONG KONG FIR EMBD TS FCST WI N2300 E11700 - N2312 E11730 - N2100 E11730 - N2000 E11642 - N2000 E11530 - N2300 E11700 TOP FL400 STNR 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.

The latest report on Tropical Cyclone Meranti broadcast by Ms LAM CHING CHI , Senior Scientific Officer of the Hong Kong Observatory at 6:15 p.m. on 14 Sep 2016.
Listen Listen

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: <16 Sep 2016> 

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 12:30 HKT 16/Sep/2016


Tropical Cyclone Warning

At 160300 UTC, Severe Typhoon Malakas (1616) with central pressure 950 hectopascals was centred within 60 nautical miles of two zero point six degrees north (20.6 N) one two four point one degrees east (124.1 E) and is forecast to move northwest at about 12 knots for the next 24 hours.

Maximum winds near the centre are estimated to be 85 knots.

Radius of over 33 knot winds 90 nautical miles.
Radius of over 47 knot winds 60 nautical miles.
Radius of over 63 knot winds 30 nautical miles.
Radius of over 2 metre waves 180 nautical miles.

Forecast position and intensity at 170300 UTC
Two three point nine degrees north (23.9 N)
One two two point five degrees east (122.5 E)
Maximum winds 95 knots.

Forecast position and intensity at 180300 UTC
Two six point five degrees north (26.5 N)
One two two point seven degrees east (122.7 E)
Maximum winds 85 knots.

Forecast position and intensity at 190300 UTC
Two eight point one degrees north (28.1 N)
One two four point three degrees east (124.3 E)
Maximum winds 70 knots.

Forecast position and intensity at 200300 UTC
Three zero point four degrees north (30.4 N)
One two eight point nine degrees east (128.9 E)
Maximum winds 55 knots.

Forecast position and intensity at 210300 UTC
Three three point zero degrees north (33.0 N)
One three five point six degrees east (135.6 E)
Maximum winds 35 knots.


Bulletin issued at 15:40 HKT 15/Sep/2016


Tropical Cyclone Warning

Severe Tropical Storm Meranti (1614) has weakened into a Tropical Storm with central pressure 988 hectopascals. At 150600 UTC, it was centred within 60 nautical miles of two six point five degrees north (26.5 N) one one six point nine degrees east (116.9 E) and is forecast to weaken and move north at about 10 knots for the next 24 hours.

Maximum winds near the centre are estimated to be 45 knots.

Radius of over 33 knot winds 60 nautical miles over eastern semicircle, 30 nautical miles elsewhere.
Radius of over 2 metre waves 180 nautical miles.

No further warnings on this Tropical Storm will be issued by the Hong Kong Observatory unless it re-enters the Hong Kong area of responsibility.

Forecast position and intensity at 160600 UTC
Dissipated over land.




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 16/Sep/2016
HKO Readings & Radiation Level

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

Hong Kong Observatory
Maximum Air Temperature                     31.9 C
Minimum Air Temperature                     28.0 C
Grass Minimum Temperature                   26.2 C
Relative Humidity                        62 - 74 Percent
Rainfall                                     0.7 mm 
Total rainfall since 1st January          2218.0 mm
Against an average of                     2095.8 mm

Other Stations                Min                  Max
King's Park                  27.5 C               31.9 C
Wong Chuk Hang               27.3 C               32.7 C
Ta Kwu Ling                  24.2 C               33.2 C
Lau Fau Shan                 27.3 C               31.9 C
Tai Po                       27.1 C               31.7 C
Sha Tin                      27.1 C               33.2 C
Tuen Mun                     26.6 C               33.3 C
Tseung Kwan O                25.4 C               32.6 C
Sai Kung                     27.9 C               32.0 C
Cheung Chau                  26.7 C               32.9 C
Chek Lap Kok                 28.8 C               33.7 C
Tsing Yi                     27.4 C               32.2 C
Shek Kong                    25.2 C               33.6 C
Tsuen Wan Ho Koon            25.6 C               31.8 C
Tsuen Wan Shing Mun Valley   25.7 C               32.2 C
Hong Kong Park               26.7 C               32.3 C
Shau Kei Wan                 27.4 C               32.8 C
Kowloon City                 27.5 C               33.0 C
Happy Valley                 28.4 C               33.4 C
Wong Tai Sin                 27.3 C               33.9 C
Stanley                      27.2 C               31.2 C
Kwun Tong                    27.3 C               32.9 C
Sham Shui Po                 27.8 C               32.9 C
Kai Tak Runway Park          27.7 C               32.7 C
Yuen Long Park               26.4 C               33.7 C

Duration of sunshine (King's Park):              4.5 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 8.
 

Yesterday's (15 Sep 2016) 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                               0.09
Yuen Ng Fan                         0.12
Tai Mei Tuk                         0.13
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 1987-2015, 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 15 Sep
Last revision date: <16 Sep 2016> 

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