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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 17:02 HKT 27/Mar/2017

At 5 p.m. at the Hong Kong Observatory the air temperature was 21 degrees Celsius and the relative humidity 57 per cent.
During the past hour the mean UV Index recorded at King's Park was 1. The intensity of UV radiation was low.

Please be reminded that:

The Fire Danger Warning is Red and the fire risk is extreme.

The air temperatures at other places were:

King's Park 20 degrees;
Wong Chuk Hang 20 degrees;
Ta Kwu Ling 22 degrees;
Lau Fau Shan 23 degrees;
Tai Po 21 degrees;
Sha Tin 20 degrees;
Tuen Mun 22 degrees;
Tseung Kwan O 20 degrees;
Sai Kung 20 degrees;
Cheung Chau 19 degrees;
Chek Lap Kok 22 degrees;
Tsing Yi 22 degrees;
Shek Kong 22 degrees;
Tsuen Wan Ho Koon 20 degrees;
Tsuen Wan Shing Mun Valley 21 degrees;
Hong Kong Park 21 degrees;
Shau Kei Wan 19 degrees;
Kowloon City 20 degrees;
Happy Valley 21 degrees;
Wong Tai Sin 20 degrees;
Stanley 20 degrees;
Kwun Tong 20 degrees;
Sham Shui Po 22 degrees;
Kai Tak Runway Park 21 degrees;
Yuen Long Park 23 degrees;
Tai Mei Tuk 21 degrees.


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


Climatological Information for 27 Mar


Local Weather Forecast
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Local Weather Forecast RSS

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 16:45 HKT 27/Mar/2017

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

A dry northeast monsoon continues to affect southern China. Locally, the relative humidity over many places stayed below 40 per cent in the afternoon.

Weather forecast for tonight and tomorrow

Mainly cloudy. Dry at first. Sunny intervals tomorrow. Temperatures will range between 18 and 22 degrees. There will be one or two light rain patches tomorrow night. Moderate easterly winds, occasionally fresh at first.

Outlook : Misty with temperatures continuing to rise in the following couple of days. Becoming cool again with rain towards the weekend.


(The above forecast period is valid up to 23:59 HKT tomorrow, 28/03/2017; 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 27/Mar/2017

GALE WARNING AREAS: BASHI AND BALINTANG.

GENERAL SITUATION AT 262100 UTC:
THE NORTHEAST MONSOON IS GENERALLY AFFECTING THE FORECAST AREAS

MARINE FORECAST FOR 24 HOURS FROM 270100 UTC:

HONG KONG= E TO NE 5-6, OCNL 7. CLD. SEA 2-4 M. SWELL NE UP TO 2 M. TEMP 22-17 C. =
KWANGTUNG= E TO NE 6-7. RAIN PATCHES. SEA 3-4 M. SWELL NE 2 M. =
TAIWAN STRAIT= NE 5-6. FINE. SEA 2-3 M. SWELL NE 2 M. =
BASHI= E TO NE 7-8. RAIN PATCHES. SEA 4-6 M. SWELL NE 3 M. =
PRATAS= E TO NE 6-7. CLD. SEA 3-4 M. SWELL NE 2 M. =
BALINTANG= E TO NE 7-8. RAIN PATCHES. SEA 4-6 M. SWELL NE 3 M. =
SCARBOROUGH= NE 6-7. FINE. SEA 3-4 M. SWELL NE 3 M. =
PARACEL= E TO NE 5-6. RAIN PATCHES. SEA 2-3 M. SWELL NE 2 M. =
TONKIN= N TO NE 5, 6 AT FIRST. RAIN PATCHES. SEA 2-3 M. =
DANANG= N TO NE 5, 6 AT FIRST. DOWN TO 2000 M IN SCT SHOWERS AND TS. SEA 2-3 M. SWELL NE 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 16:30 HKT 27/Mar/2017

Weather information for south China coastal waters issued by the Hong Kong Observatory at 4:30 p.m. on 27 March 2017

Warnings:
Strong winds in all areas.

Weather Situation:
The northeast monsoon continues to affect the south China coastal waters.

Area forecasts for the next 24 hours

Hong Kong Adjacent Waters:
East force 5 to 6, occasionally force 7.
Moderate to rough seas.

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

Outlook for the next 48 hours
East to southeasterly winds of force 4 to 5, force 6 in east.

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

Waglan Island Wind east force 5
  Visibility 16 Kilometres

Shantou Wind east force 2
  Visibility 30 Kilometres

Dongsha Wind east-northeast force 4
  Visibility 9 Kilometres in rain

Huangmaozhou Wind east-northeast force 6

Macau Wind east force 2
  Visibility 16 Kilometres

Xisha Wind east-northeast force 3
  Visibility 12 Kilometres in showers


WEATHER FORECAST FOR LOCAL AVIATION
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Weather Forecast for Local Aviation

Bulletin issued at 17:30 HKT 27/MAR/2017
(Next update at 01:30 HKT 28/MAR/2017)
I.   SIGNIFICANT WEATHER WITHIN 100 KILOMETER RADIUS OF H.K :
     STRONG WINDS AND SEV TURB.
II.  SYNOPSIS OF THE WEATHER SITUATION :
     THE NORTHEAST MONSOON CONTINUES TO AFFECT 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:  090/10-15
       OFFSHORE:  070/20-25, OCNL 30                   22-17
   B.   2000 FT:  110/20-25, OCNL 30                   14
   C.   5000 FT:  160/10                               12
   D.  10000 FT:  240/15                               6
   E.  18000 FT:  260/35                               MS11
   F.  24000 FT:  250/55                               MS18
   G.  30000 FT:  250/75                               MS32
   H. INVERSION LEVEL(S) (ONLY WHEN BELOW 5000 FEET) : 
      2500 - 2800 FT
   I. WEATHER       : 
      MAINLY CLOUDY.
   J. CLOUD (HEIGHT ABOVE MSL) : 
      FEW 2500 FT  SCT 3500 FT.
   K. VISIBILITY    : 10 KM.
   L. 0 DEG. C LEVEL: 13500 FT      10 DEG. C LEVEL(S) : 6000 FT
   M. TURBULENCE    : MOD TO SEV
   N. SEA STATE     : 2.5-4.0 M     SEA TEMPERATURE    : 19 DEG
IV.  FURTHER OUTLOOK: 
     MODERATE TO FRESH EASTERLY WINDS, OCCASIONALLY
     STRONG OFFSHORE. MAINLY CLOUDY AT FIRST, SUNNY
     INTERVALS DURING THE DAY.=
===================================================================
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 17:25 HKT on 25 Mar 17

VHHK SIGMET 1 VALID 250925/251325 VHHH- VHHK HONG KONG FIR SEV ICE FCST N OF LINE N2100 E11730 - N1954 E11130 FL200/250 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 2017> 

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 27/Mar/2017
HKO Readings & Radiation Level

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

Hong Kong Observatory
Maximum Air Temperature                     16.9 C
Minimum Air Temperature                     13.8 C
Grass Minimum Temperature                   15.8 C
Relative Humidity                        64 - 93 Percent
Rainfall                                     1.0 mm 
Total rainfall since 1st January            53.5 mm
Against an average of                      142.4 mm

Other Stations                Min                  Max
King's Park                  13.0 C               16.4 C
Wong Chuk Hang               13.1 C               16.7 C
Ta Kwu Ling                  12.0 C               16.0 C
Lau Fau Shan                 12.4 C               16.1 C
Tai Po                       12.2 C               16.2 C
Sha Tin                      12.8 C               16.1 C
Tuen Mun                     12.9 C               16.2 C
Tseung Kwan O                12.8 C               16.4 C
Sai Kung                     12.7 C               15.9 C
Cheung Chau                  12.4 C               15.8 C
Chek Lap Kok                 13.3 C               17.7 C
Tsing Yi                     13.5 C               17.0 C
Shek Kong                    12.3 C               16.2 C
Tsuen Wan Ho Koon            11.4 C               15.1 C
Tsuen Wan Shing Mun Valley   13.2 C               16.6 C
Hong Kong Park               13.1 C               16.9 C
Shau Kei Wan                 12.8 C               16.8 C
Kowloon City                 12.5 C               15.9 C
Happy Valley                 13.9 C               17.3 C
Wong Tai Sin                 12.8 C               16.8 C
Stanley                      13.8 C               16.5 C
Kwun Tong                    13.0 C               16.3 C
Sham Shui Po                 13.4 C               17.0 C
Kai Tak Runway Park          13.7 C               17.0 C
Yuen Long Park               12.7 C               16.2 C
Tai Mei Tuk               12.3 C               15.6 C

Duration of sunshine (King's Park):              0.1 H
The mean UV index recorded at King's Park yesterday was 1,
the UV intensity was Low.
The maximum UV index for yesterday was 3.
Sea surface temperature (Waglan Island):        19.7 C 

Yesterday's (26 Mar 2017) 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                          0.10
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 during the period 1987-2016, 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 26 Mar
Last revision date: <27 Mar 2017> 

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