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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 01:02 HKT 08/Mar/2018

At 1 a.m. at the Hong Kong Observatory the air temperature was 20 degrees Celsius and the relative humidity 87 per cent.

The air temperatures at other places were:

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

Between 11:45 p.m. and 0:45 a.m., the rainfall recorded in various regions were:

Islands District 0 to 1 mm.


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


Climatological Information for 8 Mar


Local Weather Forecast
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Local Weather Forecast

Automatic Regional Weather Forecast in Hong Kong & Pearl River Delta Region

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UV Index Forecast |  Weather Information for South China Coastal Waters

Bulletin updated at 00:45 HKT 08/Mar/2018

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

The northeast monsoon affecting the coastal areas of Guangdong moderated slightly yesterday. Locally, it was mainly cloudy. There were sunny intervals during the day. Besides, a cold front formed over the northern part of southern China and moved southwards gradually yesterday. It will cross the coast of Guangdong this morning. The northeast monsoon associated with the cold front will affect the south China coast today. It will become cold appreciably with rain over the region.

Weather forecast for Hong Kong

Becoming cool appreciably. Temperatures will fall from about 20 degrees at first to a minimum of around 13 degrees in the urban areas, and a couple of degrees lower in the New Territories. Mainly cloudy with a few rain patches. Isolated thunderstorms in the morning. Moderate easterly winds, becoming fresh northerlies, occasionally strong offshore.

Outlook : Fine and dry in the following few days. Cold morning on Friday.


(The above forecast period is valid up to 23:59 HKT today, 08/03/2018; 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 07/Mar/2018

GALE WARNING AREAS: HONG KONG, KWANGTUNG, TAIWAN STRAIT, BASHI, PRATAS AND TONKIN.

GENERAL SITUATION AT 070900 UTC:
COLD FRONT 23N 105E 22N 109E 25N 118E S 10KT.

MARINE FORECAST FOR 24 HOURS FROM 071300 UTC:

HONG KONG= E 5-6, BEC N UP TO 8. DOWN TO 4000 M IN MIST OR LGT RAIN PATCHES. ISOL SHOWERS AND TS LATER. SEA 2-3 M, BEC 6 M. SWELL E 2-3 M. TEMP 13-19 C. =
KWANGTUNG= E TO NE 6-7, BEC N 8. DOWN TO 2000 M IN MIST OR RAIN PATCHES. ISOL SHOWERS AND TS LATER. SEA 3-4 M, BEC 6 M. SWELL E 2-3 M. =
TAIWAN STRAIT= E TO NE 6-7, BEC N 8. RAIN PATCHES. SEA 3-4 M, BEC 6 M. SWELL NE 3 M. =
BASHI= E 6, NE 7-8 LATER. RAIN PATCHES. SEA 3 M, 4-6 M LATER. SWELL NE 2-3 M. =
PRATAS= E 6, N TO NE 7-8 LATER. RAIN PATCHES. SEA 3 M, 4-6 M LATER. SWELL NE 2-3 M. =
BALINTANG= E 6. RAIN PATCHES. SEA 3 M. SWELL NE 2-3 M. =
SCARBOROUGH= NE 5-6. RAIN PATCHES. SEA 2-3 M. SWELL NE 2-3 M. =
PARACEL= NE 5-6, N 7 LATER. DOWN TO 2000 M IN MIST PATCHES. ISOL SHOWERS AND TS LATER. SEA 2-3 M, 4 M LATER. SWELL NE 2-3 M. =
TONKIN= E 4-5, BEC N 7-8. DOWN TO 2000 M IN MIST PATCHES. ISOL SHOWERS AND TS LATER. SEA 2 M, BEC 4-6 M. SWELL NE 2-3 M. =
DANANG= E 4-5, N 7 LATER. DOWN TO 2000 M IN MIST PATCHES. ISOL SHOWERS AND TS LATER. SEA 2 M, 4 M LATER. 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

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9-day Weather Forecast | UV Index Forecast | Weather Information for Fishermen

Bulletin issued at 23:30 HKT 07/Mar/2018

Weather information for south China coastal waters issued by the Hong Kong Observatory at 11:30 p.m. on 07 March 2018

Warnings:
Gale force winds in all areas.

Weather Situation:
A cold front is crossing inland Guangdong. It is expected to reach the south China coastal waters on Thursday morning.

Area forecasts for the next 24 hours

Hong Kong Adjacent Waters:
East force 5 to 6, becoming north up to force 8.
Isolated showers and thunderstorms.
Moderate to rough seas, becoming very rough.

Nan'ao, Shanwei and South of Hong Kong:
East to northeast force 6 to 7, becoming north force 8.
Isolated showers and thunderstorms later.
Rough seas, becoming very rough.

Shangchuan Dao:
East force 5 to 6, becoming north force 7 to 8.
Isolated showers and thunderstorms later.
Moderate to rough seas, becoming rough to very rough.

Outlook for the next 48 hours
North to northeasterly winds of force 7 to 8.

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

Waglan Island Wind north-northeast force 4
  Visibility 17 Kilometres

Shantou Wind east force 2
  Visibility 24 Kilometres

Dongsha Wind east force 3
  Visibility 10 Kilometres

Huangmaozhou Wind east force 4

Macau Wind east-northeast force 1
  Visibility 9 Kilometres

Xisha Wind east-northeast force 1
  Visibility 21 Kilometres


WEATHER FORECAST FOR LOCAL AVIATION
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Weather Forecast for Local Aviation

Bulletin issued at 01:30 HKT 08/MAR/2018
(Next update at 9:00-9:30 HKT 08/MAR/2018)
I.   SIGNIFICANT WEATHER WITHIN 100 KILOMETER RADIUS OF H.K :
     SEV TURB.
II.  SYNOPSIS OF THE WEATHER SITUATION :
     AN INTENSE NORTHEAST MONSOON ASSOCIATED WITH A
     COLD FRONT IS AFFECTING THE SOUTH CHINA COASTAL
     AREAS.
III. FORECAST FOR 100-KILOMETER RADIUS AROUND HONG KONG
     FROM 0200 TO 1200 HKT:
             WIND                           TEMPERATURE (DEG. C)
   A.   SURFACE:  360/10-15
       OFFSHORE:  360/15-20                            19-13
   B.   2000 FT:  360/20-25                            13
   C.   5000 FT:  350/15                               12
   D.  10000 FT:  260/20                               5
   E.  18000 FT:  260/50                               MS8
   F.  24000 FT:  270/60                               MS18
   G.  30000 FT:  270/70                               MS33
   H. INVERSION LEVEL(S) (ONLY WHEN BELOW 5000 FEET) : 
      3100-3600 FT
   I. WEATHER       : 
      MAINLY CLOUDY WITH A FEW RAIN PATCHES AND MIST.
   J. CLOUD (HEIGHT ABOVE MSL) : 
      FEW 1500 FT  SCT 3000 FT
   K. VISIBILITY    : 9 KM. TEMPO 3500 M IN RAIN. TEMPO 2000M IN MIST
   L. 0 DEG. C LEVEL: 14500 FT      10 DEG. C LEVEL(S) : 8000 FT
   M. TURBULENCE    : MOD TO SEV OFFSHORE AND  NEAR HILLS
   N. SEA STATE     : 2.0-2.5 M     SEA TEMPERATURE    : 17 DEG
IV.  FURTHER OUTLOOK: 
     MODERATE TO FRESH NORTHERLY WINDS. MAINLY CLOUDY
     WITH A FEW RAIN PATCHES.=
===================================================================
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 15:35 HKT on 22 Feb 18

VHHK SIGMET 1 VALID 220735/221135 VHHH- VHHK HONG KONG FIR SEV ICE FCST N OF N2030 AND E OF E11300 FL130/210 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 Mar 2018> 

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 08/Mar/2018
HKO Readings & Radiation Level

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

Hong Kong Observatory
Maximum Air Temperature                     20.6 C
Minimum Air Temperature                     17.6 C
Grass Minimum Temperature                   17.0 C
Relative Humidity                        75 - 85 Percent
Rainfall                                      Trace 
Total rainfall since 1st January            66.7 mm
Against an average of                       96.3 mm

Other Stations                Min                  Max
King's Park                  16.9 C               20.9 C
Wong Chuk Hang               17.4 C               22.7 C
Ta Kwu Ling                  17.0 C               22.6 C
Lau Fau Shan                 16.4 C               24.9 C
Tai Po                       17.6 C               20.1 C
Sha Tin                      17.3 C               21.0 C
Tuen Mun                     17.7 C               22.6 C
Tseung Kwan O                16.9 C               19.7 C
Sai Kung                     17.4 C               20.0 C
Cheung Chau                  17.1 C               21.1 C
Chek Lap Kok                 18.1 C               24.0 C
Tsing Yi                     17.9 C               22.9 C
Shek Kong                    17.7 C               24.5 C
Tsuen Wan Ho Koon            16.8 C               22.5 C
Tsuen Wan Shing Mun Valley   17.6 C               22.9 C
Hong Kong Park               17.4 C               20.1 C
Shau Kei Wan                 16.8 C               19.0 C
Kowloon City                 17.0 C               21.8 C
Happy Valley                 17.5 C               21.6 C
Wong Tai Sin                 17.1 C               21.0 C
Stanley                      17.0 C               19.6 C
Kwun Tong                    16.7 C               20.0 C
Sham Shui Po                 17.9 C               22.5 C
Kai Tak Runway Park          17.7 C               20.0 C
Yuen Long Park               17.6 C               25.9 C
Tai Mei Tuk               16.9 C               21.4 C

Duration of sunshine (King's Park):              1.1 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 4.
Sea surface temperature (Waglan Island):        17.1 C 

Yesterday's (07 Mar 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                         0.15
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 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 07 Mar
Last revision date: <08 Mar 2018> 

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