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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 16:02 HKT 25/Mar/2017

At 4 p.m. at the Hong Kong Observatory the air temperature was 20 degrees Celsius and the relative humidity 75 per cent.
During the past hour the mean UV Index recorded at King's Park was 0.7. The intensity of UV radiation was low.

The air temperatures at other places were:

King's Park 19 degrees;
Wong Chuk Hang 21 degrees;
Ta Kwu Ling 18 degrees;
Lau Fau Shan 18 degrees;
Tai Po 19 degrees;
Sha Tin 19 degrees;
Tuen Mun 19 degrees;
Tseung Kwan O 19 degrees;
Sai Kung 19 degrees;
Cheung Chau 19 degrees;
Chek Lap Kok 19 degrees;
Tsing Yi 20 degrees;
Shek Kong 19 degrees;
Tsuen Wan Ho Koon 18 degrees;
Tsuen Wan Shing Mun Valley 20 degrees;
Hong Kong Park 21 degrees;
Shau Kei Wan 20 degrees;
Kowloon City 19 degrees;
Happy Valley 21 degrees;
Wong Tai Sin 19 degrees;
Stanley 20 degrees;
Kwun Tong 20 degrees;
Sham Shui Po 20 degrees;
Kai Tak Runway Park 21 degrees;
Yuen Long Park 20 degrees;
Tai Mei Tuk 19 degrees.


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


Climatological Information for 25 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 16:15 HKT 25/Mar/2017

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

The northeast monsoon associated with a cold front is affecting the coastal areas of Guangdong. Temperatures are falling gradually over the region. Locally, temperatures this afternoon were three to four degrees lower than those of yesterday in many places.

Weather forecast for tonight and tomorrow

Cloudy with a few rain patches. Rather cool tomorrow with temperatures ranging between 14 and 17 degrees. Moderate to fresh north to northeasterly winds.

Outlook : Mainly fine and dry on Monday. Remaining cool in the morning. Temperatures will rise gradually in the following couple of days.


(The above forecast period is valid up to 23:59 HKT tomorrow, 26/03/2017; 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 25/Mar/2017

N0 WARNING.

GENERAL SITUATION AT 242100 UTC:
COLD FRONT 23N 106E 22N 109E 26N 119E S 10KT.

MARINE FORECAST FOR 24 HOURS FROM 250100 UTC:

HONG KONG= N 5-6. DOWN TO 4000 M IN MIST OR RAIN PATCHES. SEA 2-3 M. TEMP 22-16 C. =
KWANGTUNG= N TO NE 6-7. DOWN TO 4000 M IN MIST OR RAIN PATCHES. SEA 3-4 M. SWELL E UP TO 2 M. =
TAIWAN STRAIT= NE 6-7. RAIN PATCHES. SEA 3-4 M. SWELL NE 2 M. =
BASHI= E 4-5, BEC N 6-7. RAIN PATCHES. SEA 2 M, BEC 3-4 M. =
PRATAS= E 5, BEC N 6-7. RAIN PATCHES. SEA 2 M, BEC 3-4 M. =
BALINTANG= E 5, BEC N 6. RAIN PATCHES. SEA 2 M, BEC 3 M. =
SCARBOROUGH= N TO NE 4-5, 6 LATER. CLD. SEA 2 M, 3 M LATER. =
PARACEL= E 4-5, BEC N 6-7 IN N. DOWN TO 4000 M IN MIST OR RAIN PATCHES IN N. SEA 2 M, BEC 3-4 M. =
TONKIN= N 6-7. DOWN TO 4000 M IN MIST OR RAIN PATCHES AT FIRST. ISOL SHOWERS AND TS. SEA 3-4 M. =
DANANG= E TO SE 4-5, N 6-7 LATER. DOWN TO 4000 M IN MIST OR RAIN PATCHES AT FIRST. SEA 2 M, 3-4 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 25/Mar/2017

Weather information for south China coastal waters issued by the Hong Kong Observatory at 4:30 p.m. on 25 March 2017

Warnings:
Strong winds in all areas.

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

Area forecasts for the next 24 hours

Hong Kong Adjacent Waters:
North to northeast force 5 to 6.
A few rain patches.
Moderate to rough seas.

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

Outlook for the next 48 hours
East to northeasterly winds of force 6 to 7.

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

Waglan Island Wind north-northeast force 5
  Visibility 26 Kilometres

Shantou Wind east-northeast force 2
  Visibility 14 Kilometres

Dongsha Wind north-northeast force 3
  Visibility 10 Kilometres

Huangmaozhou Wind north-northwest force 5

Macau Wind north force 3
  Visibility 6 Kilometres

Xisha Wind east force 2
  Visibility 30 Kilometres


WEATHER FORECAST FOR LOCAL AVIATION
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Weather Forecast for Local Aviation

Bulletin issued at 09:00 HKT 25/MAR/2017
(Next update at 17:30 HKT 25/MAR/2017)
I.   SIGNIFICANT WEATHER WITHIN 100 KILOMETER RADIUS OF H.K :
     NIL.
II.  SYNOPSIS OF THE WEATHER SITUATION :
     THE COLD FRONT OVER INLAND GUANGDONG IS MOVING SOUTHWARDS
     GRADUALLY. IT IS EXPECTED TO CROSS THE COASTAL AREAS AROUND
     NOON TODAY.
III. FORECAST FOR 100-KILOMETER RADIUS AROUND HONG KONG
     FROM 1000 TO 2000 HKT:
             WIND                           TEMPERATURE (DEG. C)
   A.   SURFACE:  360/5-10, OCNL 15 LATER
       OFFSHORE:  030/10-15, OCNL 20 LATER             19-23
   B.   2000 FT:  080/5-10, BEC 020/10-15              15-19
   C.   5000 FT:  220/10                               13
   D.  10000 FT:  280/25                               7
   E.  18000 FT:  260/35                               MS6
   F.  24000 FT:  260/50                               MS16
   G.  30000 FT:  260/60                               MS27
   H. INVERSION LEVEL(S) (ONLY WHEN BELOW 5000 FEET) : 
      900-1400 FT.
   I. WEATHER       : 
      MAINLY CLOUDY. A FEW RAIN PATCHES. LOCALIZED MIST.
   J. CLOUD (HEIGHT ABOVE MSL) : 
      FEW 1500 FT  SCT 2500 FT.
   K. VISIBILITY    : 7 KM. TEMPO 2500 M IN MIST/RAIN.
   L. 0 DEG. C LEVEL: 14500 FT      10 DEG. C LEVEL(S) : 8400 FT
   M. TURBULENCE    : MOD OFFSHORE AND NEAR HILLS.
   N. SEA STATE     : 1.0-2.0 M     SEA TEMPERATURE    : 19 DEG
IV.  FURTHER OUTLOOK: 
     MODERATE NORTHERLY WINDS, OCCASIONALLY FRESH OFFSHORE.
     MAINLY CLOUDY WITH A FEW RAIN PATCHES. LOCALIZED MIST.=
===================================================================
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 21:28 HKT on 22 Mar 17

VHHK SIGMET 1 VALID 220930/221330 VHHH- VHHK HONG KONG FIR SEV ICE FCST N OF N2100 AND W OF E11530 FL160/200 MOV ENE 10KT WKN= VHHK SIGMET 2 VALID 221330/221730 VHHH- VHHK HONG KONG FIR SEV ICE FCST N OF N2100 AND E OF E11300 FL160/200 MOV ENE 10KT 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 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 25/Mar/2017
HKO Readings & Radiation Level

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

Hong Kong Observatory
Maximum Air Temperature                     22.4 C
Minimum Air Temperature                     18.9 C
Grass Minimum Temperature                   19.7 C
Relative Humidity                        76 - 91 Percent
Rainfall                                      Trace 
Total rainfall since 1st January            52.5 mm
Against an average of                      132.3 mm

Other Stations                Min                  Max
King's Park                  18.4 C               22.4 C
Wong Chuk Hang               18.9 C               23.4 C
Ta Kwu Ling                  19.2 C               23.8 C
Lau Fau Shan                 19.7 C               27.9 C
Tai Po                       19.4 C               21.3 C
Sha Tin                      19.1 C               22.0 C
Tuen Mun                     20.0 C               23.1 C
Tseung Kwan O                17.9 C               20.5 C
Sai Kung                     18.6 C               21.0 C
Cheung Chau                  19.0 C               22.4 C
Chek Lap Kok                 20.3 C               25.9 C
Tsing Yi                     20.3 C               24.2 C
Shek Kong                    20.0 C               26.3 C
Tsuen Wan Ho Koon            19.3 C               25.4 C
Tsuen Wan Shing Mun Valley   19.9 C               24.7 C
Hong Kong Park               19.2 C               23.0 C
Shau Kei Wan                 17.9 C               20.3 C
Kowloon City                 18.6 C               22.8 C
Happy Valley                 19.1 C               23.7 C
Wong Tai Sin                 19.1 C               22.4 C
Stanley                      18.2 C               21.1 C
Kwun Tong                    18.1 C               21.0 C
Sham Shui Po                 19.8 C               23.9 C
Kai Tak Runway Park          18.8 C               21.6 C
Yuen Long Park               20.5 C               27.6 C
Tai Mei Tuk               18.6 C               22.0 C

Duration of sunshine (King's Park):              3.4 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):        18.3 C 

Yesterday's (24 Mar 2017) 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                               0.10
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                        0.14

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 24 Mar
Last revision date: <25 Mar 2017> 

From Weather Underground