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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 05:02 HKT 16/Sep/2019

At 5 a.m. at the Hong Kong Observatory the air temperature was 27 degrees Celsius and the relative humidity 92 per cent.

Please be reminded that:

The Thunderstorm Warning has been issued. It will remain effective until 6:00 a.m. today. Isolated thunderstorms are expected to occur over Hong Kong.

The air temperatures at other places were:

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

Between 3:45 and 4:45 a.m., lightning was detected within New Territories East and New Territories West. The rainfall recorded in various regions were:

North District 0 to 21 mm;
Yuen Long 0 to 18 mm;
Southern District 0 to 8 mm;
Islands District 0 to 2 mm;
Tai Po 0 to 1 mm;
Tsuen Wan 0 to 1 mm.


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 04:45 HKT 16/Sep/2019

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

Winds are weak over the coast of Guangdong. Meanwhile, showers are affecting the region.

Weather forecast for today

Mainly cloudy with a few showers. Isolated thunderstorms in the morning and at night. Hot with sunny intervals during the day. The maximum temperature will be about 32 degrees. Light to moderate northeasterly winds.

Outlook : Sunny periods and isolated showers in the next few days.


(The above forecast period is valid up to 23:59 HKT today, 16/09/2019; 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 15/Sep/2019

N0 WARNING.

GENERAL SITUATION AT 150900 UTC:
AN NORTHEASTERLY AIRSTREAM IS GENERALLY AFFECTING THE FORECAST AREAS.

MARINE FORECAST FOR 24 HOURS FROM 151300 UTC:

HONG KONG= E TO NE 4, OCNL 5. ISOL SHOWERS AND TS. SEA UP TO 2 M. TEMP 27-32 C. =
KWANGTUNG= E TO NE 4-5, OCNL 6. ISOL SHOWERS AND TS. SEA UP TO 3 M. =
TAIWAN STRAIT= NE 5-6, OCNL 7. ISOL SHOWERS AND TS. SEA UP TO 4 M. =
BASHI= N TO NE 4-5, 6 LATER. DOWN TO 2000 M IN SCT SQUALLY SHOWERS AND TS. SEA UP TO 2 M, 3 M LATER. SWELL NE 2 M. =
PRATAS= E TO NE 4-5, UP TO 6 LATER. FINE. SEA UP TO 2 M, UP TO 3 M LATER. SWELL NE 2 M. =
BALINTANG= N TO NE 4-5, 6 LATER. DOWN TO 2000 M IN SCT SQUALLY SHOWERS AND TS. SEA UP TO 2 M, 3 M LATER. SWELL NE 2 M. =
SCARBOROUGH= E TO NE 4-5. DOWN TO 4000 M IN ISOL SQUALLY SHOWERS AND TS. SEA UP TO 2 M. =
PARACEL= E TO NE 4-5. ISOL SHOWERS AND TS. SEA UP TO 2 M. =
TONKIN= E TO NE 4-5. ISOL SHOWERS AND TS. SEA UP TO 2 M. =
DANANG= E TO NE 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 05:30 HKT 16/Sep/2019

Weather information for south China coastal waters issued by the Hong Kong Observatory at 5:30 a.m. on 16 September 2019

Warnings:
Strong winds in Nan'ao and Shanwei.

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

Area forecasts for the next 24 hours

Hong Kong Adjacent Waters:
East to northeast force 4, occasionally force 5.
A few showers, isolated thunderstorms.
Moderate seas.

Nan'ao and Shanwei:
Northeast force 4 to 5, occasionally force 6.
Moderate to rough seas.

South of Hong Kong and Shangchuan Dao:
East to northeast force 4 to 5.
Isolated showers and thunderstorms.
Moderate seas.

Outlook for the next 48 hours
East to northeasterly winds of force 6 to 7, up to force 8 in east later. Isolated showers and thunderstorms.

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

Waglan Island Wind north force 1
  Visibility 24 Kilometres

Shantou Wind east force 1
  Visibility 30 Kilometres

Dongsha Wind east-northeast force 3
  Visibility 10 Kilometres

Huangmaozhou Wind northeast force 1

Macau Wind west-southwest force 2
  Visibility 16 Kilometres

Xisha Wind northeast force 1
  Visibility 28 Kilometres


WEATHER FORECAST FOR LOCAL AVIATION
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Weather Forecast for Local Aviation

Bulletin issued at 01:30 HKT 16/SEP/2019
(Next update at 9:00-9:30 HKT 16/SEP/2019)
I.   SIGNIFICANT WEATHER WITHIN 100 KILOMETER RADIUS OF H.K :
     ISOL CUNIM/TS AND ASSOCIATED HAZARDS.
II.  SYNOPSIS OF THE WEATHER SITUATION :
     WINDS ARE WEAK AND IT IS MAINLY FINE OVER THE
     COAST OF EASTERN GUANGDONG.
III. FORECAST FOR 100-KILOMETER RADIUS AROUND HONG KONG
     FROM 0200 TO 1200 HKT:
             WIND                           TEMPERATURE (DEG. C)
   A.   SURFACE:  VRB/5
                  TEMPO VRB/15G25 IN TS
       OFFSHORE:  080/5-10                             27-31
   B.   2000 FT:  120/5-10                             24
   C.   5000 FT:  040/10                               19
   D.  10000 FT:  070/20                               11
   E.  18000 FT:  080/10                               MS1
   F.  24000 FT:  110/10                               MS12
   G.  30000 FT:  060/10                               MS24
   H. INVERSION LEVEL(S) (ONLY WHEN BELOW 5000 FEET) : 
      NIL
   I. WEATHER       : 
      MAINLY CLOUDY WITH ISOLATED SHOWERS AND
      THUNDERSTORMS. SUNNY INTERVALS DURING THE DAY.
   J. CLOUD (HEIGHT ABOVE MSL) : 
      FEW 3000 FT 
      TEMPO CB 1500 FT SCT 2500 FT BKN 5000 FT
   K. VISIBILITY    : 10 KM. TEMPO 4000 M IN SHOWERS. 
                      TEMPO 2000 M IN TS.
   L. 0 DEG. C LEVEL: 17500 FT      10 DEG. C LEVEL(S) : 11800 FT
   M. TURBULENCE    : MOD TO SEV NEAR CUNIM/TS.
   N. SEA STATE     : 0.5-1.0 M     SEA TEMPERATURE    : 29 DEG
IV.  FURTHER OUTLOOK: 
     LIGHT TO MODERATE NORTHEASTERLY WINDS. SUNNY
     INTERVALS WITH ISOLATED SHOWERS AND
     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.

There is no Significant Weather Information (SIGMET)

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: <10 Sep 2019> 

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 16/Sep/2019
HKO Readings & Radiation Level

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

Hong Kong Observatory
Maximum Air Temperature                     32.2 C
Minimum Air Temperature                     25.9 C
Grass Minimum Temperature                   25.9 C
Relative Humidity                        62 - 95 Percent
Rainfall                                    11.0 mm 
Total rainfall since 1st January          2200.1 mm
Against an average of                     2095.8 mm

Other Stations                Min                  Max
King's Park                  25.2 C               32.0 C
Wong Chuk Hang               26.4 C               32.3 C
Ta Kwu Ling                  25.4 C               33.5 C
Lau Fau Shan                 23.7 C               32.4 C
Tai Po                       25.1 C               30.9 C
Sha Tin                      25.8 C               32.6 C
Tuen Mun                     24.7 C               31.7 C
Tseung Kwan O                25.7 C               31.9 C
Sai Kung                     25.8 C               31.4 C
Cheung Chau                  25.9 C               33.0 C
Chek Lap Kok                 26.4 C               33.4 C
Tsing Yi                     26.8 C               32.3 C
Shek Kong                    25.2 C               33.3 C
Tsuen Wan Ho Koon            24.9 C               30.5 C
Tsuen Wan Shing Mun Valley   25.5 C               32.8 C
Shau Kei Wan                 25.5 C               31.5 C
Kowloon City                 24.8 C               32.8 C
Happy Valley                 27.1 C               33.6 C
Wong Tai Sin                 25.2 C               33.1 C
Stanley                      25.9 C               33.2 C
Kwun Tong                    25.4 C               31.9 C
Sham Shui Po                 26.0 C               32.7 C
Kai Tak Runway Park          26.6 C               31.5 C
Yuen Long Park               24.6 C               33.3 C
Tai Mei Tuk               25.6 C               33.2 C

Duration of sunshine (King's Park):              5.5 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 9.
 

Yesterday's (15 Sep 2019) average ambient gamma radiation
dose rate taken outdoors in Hong Kong ranged from 0.09 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                           0.09
Tap Mun                             0.09
Kat O                               0.11
Yuen Ng Fan                         0.12
Tai Mei Tuk                         0.11
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 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 15 Sep
Last revision date: <16 Sep 2019> 

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