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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 02:45 HKT 25/Jun/2018

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

A southerly airstream is bringing showers to the coast of Guangdong and the northern part of the South China Sea.

Weather forecast for today

Mainly cloudy with showers and a few squally thunderstorms. Temperatures will range between 26 and 30 degrees. Moderate south to southeasterly winds, gusty at times.

Outlook : Showers will ease off in the following couple of days. Fine and very hot in the middle and latter parts of this week.


(The above forecast period is valid up to 23:59 HKT today, 25/06/2018; 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 24/Jun/2018

N0 WARNING.

GENERAL SITUATION AT 240900 UTC:
A SOUTHERLY AIRSTREAM IS AFFECTING THE FORECAST AREAS.

MARINE FORECAST FOR 24 HOURS FROM 241300 UTC:

HONG KONG= S TO SE 5, OCNL 6. DOWN TO 4000 M IN ISOL SQUALLY SHOWERS AND TS. SEA UP TO 3 M. SWELL S UP TO 2 M. TEMP 26-30 C. =
KWANGTUNG= S 5-6. DOWN TO 2000 M IN SCT SQUALLY SHOWERS AND TS. SEA 2-3 M. SWELL S 2 M. =
TAIWAN STRAIT= S 4-5. DOWN TO 4000 M IN ISOL SQUALLY SHOWERS AND TS. SEA UP TO 2 M. SWELL S UP TO 2 M. =
BASHI= S TO SE 4-5. DOWN TO 4000 M IN ISOL SQUALLY SHOWERS AND TS. SEA UP TO 2 M. SWELL S UP TO 2 M. =
PRATAS= S 5, OCNL 6. DOWN TO 4000 M IN ISOL SQUALLY SHOWERS AND TS. SEA UP TO 3 M. SWELL S 2 M. =
BALINTANG= S TO SE 4-5. DOWN TO 4000 M IN ISOL SQUALLY SHOWERS AND TS. SEA UP TO 2 M. SWELL S UP TO 2 M. =
SCARBOROUGH= S TO SE 5-6. DOWN TO 2000 M IN SCT SQUALLY SHOWERS AND TS. SEA 2-3 M. SWELL S 2 M. =
PARACEL= S 5-6, OCNL 7. DOWN TO 2000 M IN SCT SQUALLY SHOWERS AND TS. SEA UP TO 4 M. SWELL S 2 M. =
TONKIN= S 5-6, OCNL 7. DOWN TO 2000 M IN SCT SQUALLY SHOWERS AND TS. SEA UP TO 4 M. SWELL S UP TO 2 M. =
DANANG= S 5-6, OCNL 7. DOWN TO 2000 M IN SCT SQUALLY SHOWERS AND TS. SEA UP TO 4 M. SWELL S 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 03:30 HKT 25/Jun/2018

Weather information for south China coastal waters issued by the Hong Kong Observatory at 3:30 a.m. on 25 June 2018

Warnings:
Strong winds in all areas.

Weather Situation:
A southerly airstream is bringing unsettled weather to the south China coastal waters.

Area forecasts for the next 24 hours

Hong Kong Adjacent Waters:
South to southeast force 5, occasionally force 6.
Scattered squally showers and thunderstorms.
Moderate to rough seas.

Nan'ao and Shanwei:
South to southeast force 5 to 6.
Isolated squally showers and thunderstorms.
Moderate to rough seas.

South of Hong Kong and Shangchuan Dao:
South force 5 to 6.
Scattered squally showers and thunderstorms.
Moderate to rough seas.

Outlook for the next 48 hours
South to southeasterly winds of force 4 to 5, occasionally force 6. Isolated squally showers and thunderstorms.

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

Waglan Island Wind south-southeast force 4
  Visibility 11 Kilometres

Shantou Wind south-southwest force 1
  Visibility 30 Kilometres

Huangmaozhou Wind southeast force 3

Macau Wind east-southeast force 2
  Visibility 25 Kilometres

Xisha Wind south-southwest force 3
  Visibility 14 Kilometres


WEATHER FORECAST FOR LOCAL AVIATION
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Weather Forecast for Local Aviation

Bulletin issued at 01:30 HKT 25/JUN/2018
(Next update at 9:00-9:30 HKT 25/JUN/2018)
I.   SIGNIFICANT WEATHER WITHIN 100 KILOMETER RADIUS OF H.K :
     ISOL CUNIM/TS AND ASSOCIATED HAZARDS.
II.  SYNOPSIS OF THE WEATHER SITUATION :
     A SOUTHERLY AIRSTREAM IS BRINGING UNSETTLED
     WEATHER TO THE SOUTH CHINA COASTAL WATERS.
III. FORECAST FOR 100-KILOMETER RADIUS AROUND HONG KONG
     FROM 0200 TO 1200 HKT:
             WIND                           TEMPERATURE (DEG. C)
   A.   SURFACE:  140/10
                  TEMPO VRB/15G25 IN TS
       OFFSHORE:  150/15-20                            26-29
   B.   2000 FT:  160/15-20, OCNL 25                   22
   C.   5000 FT:  160/15-20                            18
   D.  10000 FT:  170/20                               11
   E.  18000 FT:  160/10                               MS4
   F.  24000 FT:  120/10                               MS15
   G.  30000 FT:  050/10                               MS28
   H. INVERSION LEVEL(S) (ONLY WHEN BELOW 5000 FEET) : 
      NIL.
   I. WEATHER       : 
      MAINLY CLOUDY WITH SHOWERS. ISOLATED SQUALLY
      THUNDERSTORMS.
   J. CLOUD (HEIGHT ABOVE MSL) : 
      FEW 1500 FT  SCT 3000 FT.  TEMPO FEW CB 1000 FT
      SCT 2000 FT  BKN 4000 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) : 10800 FT
   M. TURBULENCE    : MOD TO SEV NEAR CUNIM/TS AND NEAR HILLS. MOD OFFSHORE.
   N. SEA STATE     : 2.0-2.5 M     SEA TEMPERATURE    : 29 DEG
IV.  FURTHER OUTLOOK: 
     MODERATE SOUTH TO SOUTHEASTERLY WINDS. MAINLY
     CLOUDY WITH SHOWERS AND ISOLATED SQUALLY
     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.

The latest significant weather information
issued by the Hong Kong Observatory at 16:30 HKT on 23 Jun 18

VHHK SIGMET 2 VALID 230430/230830 VHHH- VHHK HONG KONG FIR EMBD TS FCST WI N2224 E11700 - N2054 E11400 - N2130 E11248 - N2224 E11342 - N2254 E11454 - N2312 E11642 - N2224 E11700 TOP FL450 MOV NE 05KT NC= VHHK SIGMET 3 VALID 230830/231230 VHHH- VHHK HONG KONG FIR EMBD TS FCST WI N2248 E11630 - N2130 E11542 - N2142 E11300 - N2224 E11336 - N2254 E11454 - N2248 E11630 TOP FL430 MOV NE 05KT 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: <18 Jun 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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