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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 13:02 HKT 24/Apr/2018

At 1 p.m. at the Hong Kong Observatory the air temperature was 25 degrees Celsius and the relative humidity 90 per cent.
During the past hour the mean UV Index recorded at King's Park was 3. The intensity of UV radiation was moderate.

The air temperatures at other places were:

King's Park 25 degrees;
Wong Chuk Hang 24 degrees;
Ta Kwu Ling 27 degrees;
Lau Fau Shan 25 degrees;
Tai Po 25 degrees;
Sha Tin 27 degrees;
Tuen Mun 24 degrees;
Tseung Kwan O 25 degrees;
Sai Kung 26 degrees;
Cheung Chau 23 degrees;
Chek Lap Kok 26 degrees;
Tsing Yi 25 degrees;
Shek Kong 26 degrees;
Tsuen Wan Ho Koon 24 degrees;
Tsuen Wan Shing Mun Valley 26 degrees;
Hong Kong Park 24 degrees;
Shau Kei Wan 24 degrees;
Kowloon City 25 degrees;
Happy Valley 25 degrees;
Wong Tai Sin 25 degrees;
Stanley 23 degrees;
Kwun Tong 26 degrees;
Sham Shui Po 25 degrees;
Kai Tak Runway Park 25 degrees;
Yuen Long Park 26 degrees;
Tai Mei Tuk 26 degrees.

Between 11:45 a.m. and 12:45 p.m., lightning was detected within Lantau, New Territories East, Hong Kong and Kowloon. The rainfall recorded in various regions were:

Islands District 0 to 28 mm;
Southern District 2 to 7 mm;
Central & Western District 2 to 4 mm;
Eastern District 1 to 2 mm;
Wan Chai 2 mm;
Sai Kung 0 to 1 mm;
Yau Tsim Mong 0 to 1 mm.


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


Climatological Information for 24 Apr


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 13:00 HKT 24/Apr/2018

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

The trough of low pressure over the coast of Guangdong is moving southwards and weakening. The rain band that affected Hong Kong this morning has moved to the seas south of Hong Kong.

Weather forecast for this afternoon and tonight

Cloudy with a few showers. Light to moderate northerly winds.

Outlook : Mainly cloudy in the next couple of days. The weather will improve gradually over the weekend and early next week.


(The above forecast period is valid up to 23:59 HKT today, 24/04/2018; 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 09:00 HKT 24/Apr/2018

N0 WARNING.

GENERAL SITUATION AT 232100 UTC:
TROUGH 23N 103E 22N 110E 23N 117E 30N 125E SE 5KT.

MARINE FORECAST FOR 24 HOURS FROM 240100 UTC:

HONG KONG= N 5. DOWN TO 2000 M IN ISOL HEAVY SQUALLY SHOWERS AND TS. SEA UP TO 2 M. TEMP 26-21 C. =
KWANGTUNG= N TO NE 5-6, S 4-5 IN E AT FIRST. DOWN TO 4000 M IN ISOL SQUALLY SHOWERS AND TS. SEA 2-3 M. SWELL NE 2 M LATER. =
TAIWAN STRAIT= N TO NE 6-7. DOWN TO 4000 M IN ISOL SQUALLY SHOWERS AND TS. SEA 3-4 M. SWELL N TO NE 2 M, 3 M LATER. =
BASHI= S 5, BEC N TO NE 6-7. DOWN TO 4000 M IN ISOL SQUALLY SHOWERS AND TS. SEA 2 M, BEC 3-4 M. SWELL N TO NE 2 M, 3 M LATER. =
PRATAS= S 4-5, BEC N TO NE UP TO 6. ISOL SHOWERS AND TS. SEA UP TO 3 M. SWELL N TO NE 2 M LATER. =
BALINTANG= S 5, BEC N TO NE 5-6. ISOL SHOWERS AND TS. SEA 2 M, BEC 3 M. SWELL N TO NE 2 M LATER. =
SCARBOROUGH= S 4-5, BEC N TO NE 4-5. ISOL SHOWERS LATER. SEA UP TO 2 M. SWELL N TO NE 2 M LATER. =
PARACEL= S 4-5, BEC N TO NE UP TO 6. ISOL SHOWERS AND TS. SEA UP TO 3 M. SWELL NE 2 M LATER. =
TONKIN= N TO NE 5-6. DOWN TO 4000 M IN ISOL SQUALLY SHOWERS AND TS. SEA 2-3 M. SWELL NE UP TO 2 M. =
DANANG= S 5, BEC N TO NE 5. ISOL SHOWERS AND TS. SEA 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 24/Apr/2018

Weather information for south China coastal waters issued by the Hong Kong Observatory at 12:30 p.m. on 24 April 2018

Warnings:
Strong winds in Nan'ao, Shanwei, south of Hong Kong and Shangchuan Dao.

Weather Situation:
A trough of low pressure is bringing unsettled weather to the south China coastal waters.

Area forecasts for the next 24 hours

Hong Kong Adjacent Waters:
North force 5.
Isolated squally heavy showers and thunderstorms.
Moderate seas.

Nan'ao:
North to northeast up to force 5 to 6, occasionally force 7.
Isolated squally showers and thunderstorms.
Moderate to rough seas.

Shanwei, South of Hong Kong and Shangchuan Dao:
North to northeast force 5 to 6.
Isolated squally showers and thunderstorms.
Moderate to rough seas.

Outlook for the next 48 hours
East to northeasterly winds of force 5 to 6. Isolated showers and thunderstorms.

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

Waglan Island Wind north-northeast force 3
  Visibility 2300 Metres

Shantou Wind south-southwest force 2
  Visibility 15 Kilometres

Huangmaozhou Wind south force 2

Macau Wind north-northwest force 2
  Visibility 1000 Metres in rain

Xisha Wind south force 2
  Visibility 26 Kilometres


WEATHER FORECAST FOR LOCAL AVIATION
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Weather Forecast for Local Aviation

Bulletin issued at 12:30 HKT 24/APR/2018
(Next update at 17:30 HKT 24/APR/2018)
I.   SIGNIFICANT WEATHER WITHIN 100 KILOMETER RADIUS OF H.K :
     CUNIM/TS AND ASSOCIATED HAZARDS.
II.  SYNOPSIS OF THE WEATHER SITUATION :
     A TROUGH OF LOW PRESSURE IS BRINGING SHOWERS AND
     THUNDERSTORMS TO THE COAST OF GUANGDONG.  THE
     TROUGH OF LOW PRESSURE IS EXPECTED TO MOVE
     SOUTHWARDS TO THE NORTHERN PART OF THE SOUTH
     CHINA SEA AND WEAKEN.
III. FORECAST FOR 100-KILOMETER RADIUS AROUND HONG KONG
     FROM 1300 TO 2300 HKT:
             WIND                           TEMPERATURE (DEG. C)
   A.   SURFACE:  360/5-10
                  TEMPO VRB/20G30 IN TS
       OFFSHORE:  360/15                               25-23
   B.   2000 FT:  020/15                               20
   C.   5000 FT:  240/10 BEC 360/10                    17
   D.  10000 FT:  270/15                               9
   E.  18000 FT:  310/20                               MS5
   F.  24000 FT:  310/35                               MS13
   G.  30000 FT:  290/35                               MS28
   H. INVERSION LEVEL(S) (ONLY WHEN BELOW 5000 FEET) : 
      NIL.
   I. WEATHER       : 
      CLOUDY WITH SHOWERS.  SHOWERS WILL BE HEAVIER
      WITH THUNDERSTORMS AT FIRST.  SHOWERS WILL EASE
      OFF GRADUALLY IN THE AFTERNOON.
   J. CLOUD (HEIGHT ABOVE MSL) : 
      FEW 1000 FT  SCT 3000 FT  BKN 10000 FT.  TEMPO
      FEW CB 800 FT  SCT 1500 FT  BKN 4000 FT.
   K. VISIBILITY    : 7 KM.  TEMPO 3000 M IN SHOWERS.
                      TEMPO 1500 M IN TS.
   L. 0 DEG. C LEVEL: 15500 FT      10 DEG. C LEVEL(S) : 9600 FT
   M. TURBULENCE    : MOD TO SEV NEAR CUNIM/TS.
                      MOD OFFSHORE AND NEAR HILLS.
   N. SEA STATE     : 1.5-2.0 M     SEA TEMPERATURE    : 24 DEG
IV.  FURTHER OUTLOOK: 
     MODERATE NORTHEASTERLY WINDS.  MAINLY CLOUDY.=
===================================================================
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 11:51 HKT on 24 Apr 18

VHHK SIGMET 1 VALID 240030/240430 VHHH- VHHK HONG KONG FIR EMBD TS FCST WI N2224 E11630 - N2136 E11324 - N2212 E11306 - N2236 E11412 - N2300 E11630 - N2224 E11630 TOP FL450 MOV SE 15KT WKN= VHHK SIGMET 2 VALID 240400/240800 VHHH- VHHK HONG KONG FIR EMBD TS FCST WI N2224 E11642 - N2136 E11518 - N2118 E11330 - N2142 E11230 - N2236 E11412 - N2254 E11642 - N2224 E11642 TOP FL350 MOV SE 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 Apr 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.


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