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Marine Forecast

Weather Information for the Marine Community

Bulletin issued at 21:00 HKT 23/Jun/2018

N0 WARNING.

GENERAL SITUATION AT 230900 UTC:
TROUGH 24N 106E 29N 114E 28N 120E 30N 125E QSTNR.

MARINE FORECAST FOR 24 HOURS FROM 231300 UTC:

HONG KONG= S TO SW 5-6. DOWN TO 2000 M IN SCT SQUALLY SHOWERS AND TS. SEA 2-3 M. SWELL SW UP TO 2 M. TEMP 26-31 C. =
KWANGTUNG= S TO SW 5-6. DOWN TO 2000 M IN SCT SQUALLY SHOWERS AND TS. SEA 2-3 M. SWELL S TO SW 2 M. =
TAIWAN STRAIT= SW 5-6. DOWN TO 2000 M IN SCT SQUALLY SHOWERS AND TS. SEA 2-3 M. SWELL SW UP TO 2 M. =
BASHI= SW 5-6. DOWN TO 4000 M IN ISOL SQUALLY SHOWERS AND TS. SEA 2-3 M. SWELL SW UP TO 2 M. =
PRATAS= S TO SW 5-6. DOWN TO 2000 M IN SCT SQUALLY SHOWERS AND TS. SEA 2-3 M. SWELL SW 2 M. =
BALINTANG= S TO SW 5-6. DOWN TO 4000 M IN ISOL SQUALLY SHOWERS AND TS. SEA 2-3 M. SWELL SW UP TO 2 M. =
SCARBOROUGH= S TO SW 5-6. DOWN TO 2000 M IN SCT SQUALLY SHOWERS AND TS. SEA 2-3 M. SWELL SW 2 M. =
PARACEL= S TO SW 5-6, OCNL 7. DOWN TO 2000 M IN SCT SQUALLY SHOWERS AND TS. SEA UP TO 4 M. SWELL S TO SW 2 M. =
TONKIN= S TO SW 6-7. DOWN TO 2000 M IN SCT SQUALLY SHOWERS AND TS. SEA 3-4 M. SWELL S UP TO 2 M. =
DANANG= S TO SW 6-7. DOWN TO 2000 M IN SCT SQUALLY SHOWERS AND TS. SEA 3-4 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.



WEATHER FORECAST FOR LOCAL AVIATION
Gregorian/Lunar Calendar
Traditional Chinese Simplified Chinese

Weather Forecast for Local Aviation

Bulletin issued at 01:30 HKT 24/JUN/2018
(Next update at 9:00-9:30 HKT 24/JUN/2018)
I.   SIGNIFICANT WEATHER WITHIN 100 KILOMETER RADIUS OF H.K :
     ISOL CUNIM/TS AND ASSOCIATED HAZARDS.
II.  SYNOPSIS OF THE WEATHER SITUATION :
     THE SOUTHWEST MONSOON IS BRINGING UNSETTLED WEATHER TO 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:  140/10-15
                  TEMPO VRB/20G30 IN TS
       OFFSHORE:  160/15-20                            26-32
   B.   2000 FT:  180/15-20                            24
   C.   5000 FT:  180/15                               19
   D.  10000 FT:  180/15                               12
   E.  18000 FT:  180/15                               MS1
   F.  24000 FT:  200/20                               MS12
   G.  30000 FT:  040/10                               MS23
   H. INVERSION LEVEL(S) (ONLY WHEN BELOW 5000 FEET) : 
      NIL.
   I. WEATHER       : 
      MAINLY CLOUDY WITH SHOWERS AND A FEW ISOLATED THUNDERSTORMS.
      SUNNY INTERVALS DURING THE DAY.
   J. CLOUD (HEIGHT ABOVE MSL) : 
      FEW 1500 FT  SCT 2500 FT
      TEMPO FEW CB 1000 FT  SCT 1500 FT  BKN 4000 FT.
   K. VISIBILITY    : 10 KM. TEMPO 3000 M IN SHOWERS.  
                      TEMPO 2000 M IN TS.
   L. 0 DEG. C LEVEL: 17500 FT      10 DEG. C LEVEL(S) : 12000 FT
   M. TURBULENCE    : MOD TO SEV NEAR CUNIM/TS. 
                      MOD OFFSHORE AND NEAR HILLS.
   N. SEA STATE     : 2.0-2.5 M     SEA TEMPERATURE    : 28 DEG
IV.  FURTHER OUTLOOK: 
     MODERATE SOUTH TO SOUTHWESTERLY WINDS. SUNNY INTERVALS.
     ISOLATED SHOWERS AND THUNDERSTORMS AT FIRST.=
===================================================================
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
Gregorian/Lunar Calendar
Traditional Chinese Simplified Chinese

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
Gregorian/Lunar Calendar
Text Only Traditional Chinese Simplified Chinese

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
Gregorian/Lunar Calendar
Text Only Traditional Chinese Simplified Chinese

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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