GEN 3.5  METEOROLOGICAL SERVICES

3.5.1  Responsible Service

3.5.1.1 The Meteorological Authority for Malaysia is the Malaysian Meteorological Department.

Postal Address:

Post:

The Director General
Malaysian Meteorological Department
Jalan Sultan
46667 Petaling Jaya
Selangor Darul Ehsan
Malaysia.

Tel:  (+60) 3 79678000 / 8200

Fax:  (+60) 3 79550964

Telex:  MA 37243

AFS:  WMKKYMYX

3.5.1.2 Meteorological services for aviation are provided in accordance with the provisions contained in the following ICAO documents:
  1. Annex 3 - Meteorological Services for International Air Navigation

  2. DOC 8896-AN/893/4 - Manual of Aeronautical Meteorological Practices.

  3. DOC 7030 - Regional Supplementary Procedures.

3.5.1.3 Differences to these provisions are detailed in subsection GEN 1.7.
3.5.1.4 The Aerodrome Meteorological Office (AMO) at KLIA, Kota Kinabalu, Penang, Kuching, Kuantan, Subang, Labuan and Butterworth operate 24 hours. However, AMO at Subang and Labuan only provide meteorological briefing during office hour (0000UTC-0900UTC) on working days.

3.5.2  Area Of Responsibilty

3.5.2.1 AMO KLIA as Meteorological Watch Office (MWO) and a National Aviation Meteorological Centre is responsible for providing meteorological services for Air Traffic Services (ATS) Unit in the Kuala Lumpur FIR, as well as other AMO and Aeronautical Meteorological Station (AMS) in Peninsula Malaysia; including AMO Kota Kinabalu and AMO Kuching.
3.5.2.2 AMO Kota Kinabalu as Meteorological Watch Office (MWO) is responsible for providing meteorological services for ATS Unit in the Kota Kinabalu FIR. It also provides meteorological services to other AMO and AMS in Sabah.
3.5.2.3 AMO Kuching is responsible for providing meteorological services to other AMO and AMS in Sarawak.
3.5.2.4  Table below shows the area of responsibility of MWOs:
Name of MWO/Location IndicatorFlight Information Region (FIR)ICAO Location Indicator - Listed in AOP TablesICAO Location Indicator - Not Listed in AOP TablesAerodromes/Airports
KLIA Meteorological Office/WMKKKuala Lumpur FIR

WMKK

WMKP

WMKJ

WMKL

WMKM

WMKD

WMSA

WMKA

WMKI

WMKC

WMKN

WMKB

WMKE

Kuala Lumpur International

Penang International

Johor Bahru/Senai International

Langkawi International

Malacca

Kuantan

Sultan Abdul Aziz Shah

Sultan Abdul Halim

Sultan Azlan Shah

Sultan Ismail Petra

Sultan Mahmud

Butterworth

Kerteh

Kota Kinabalu Meteorological Office/WBKKKota Kinabalu FIR

WBKK

WBGG

WBKS

WBKW

WBGR

WBGB

WBGS

WBKL

Kota Kinabalu International

Kuching International

Sandakan

Tawau

Miri

Bintulu

Sibu

Labuan

3.5.3  Meteorological Observations And Reports

Name Of Station Location Indicator Type And Frequency Of Observation Types Of MET Reports Observation System and Site(s) Hours Of OPS Climatological Information
1 2 3 4 5 6
SEPANG KL International WMKKHalf hourly plus special observations

METAR

SPECI

TREND

HWWD

  1. Automatic Weather System at Aeronautical Meteorological Station

  2. Automatic Weather Observing System (AWOS) along with Runway Visual Range (RVR) measurement adjacent to touchdown zones, mid point and stop-end for all runways.

  3. Terminal Doppler Radar monitor of severe weather and wind shear.

  4. Upper-air observations at aeronautical meteorological station 4 times daily

H24Climatological summaries available
SUBANG Sultan Abdul Aziz Shah WMSAHourly plus special observations

METAR

SPECI

  1. Automatic Weather System at Aeronautical Meteorological Station

  2. Wind and Runway Visual Range System measurement for wind and visibility adjacent to runway touchdown zones and stop-end.

  3. Terminal Doppler Radar monitor of severe weather and wind shear.

H24Climatological summaries available
PENANG Bayan Lepas WMKPHalf hourly plus special observations

METAR

SPECI

TREND

  1. Automatic Weather System at Aeronautical Meteorological Station

  2. Wind and Runway Visual Range System measurement for wind and visibility adjacent to runway touchdown zones and stop-end.

  3. Upper-air observations at aeronautical meteorological station 4 times daily

H24Climatological summaries available
LANGKAWI Langkawi International WMKLHourly plus special observations

METAR

SPECI

  1. Automatic Weather System at Aeronautical Meteorological Station

  2. Wind and Runway Visual Range System measurement for wind and visibility adjacent to runway touchdown zones and stop-end.

H24Climatological summaries available
KUANTAN Kuantan WMKDHourly plus special observations

METAR

SPECI

TREND

  1. Automatic Weather System at Aeronautical Meteorological Station

  2. Wind and Runway Visual Range System measurement for wind and visibility adjacent to runway touchdown zones and stop-end.

  3. Upper-air observations at aeronautical meteorological station 2 times daily.

H24Climatological summaries available
ALOR STAR Sultan Abdul Halim WMKAHourly plus special observations

METAR

SPECI

  1. Automatic Weather System at Aeronautical Meteorological Station

  2. Wind and Runway Visual Range System measurement for wind and visibility adjacent to runway touchdown zones and stop-end.

H24Climatological summaries available
KOTA BHARU Sultan Ismail Petra WMKCHourly plus special observations

METAR

SPECI

  1. Automatic Weather System at Aeronautical Meteorological Station

  2. Upper-air observations at aeronautical meteorological station 4 times daily

H24Climatological summaries available
IPOH Sultan Azlan Shah WMKIHourly plus special observations

METAR

SPECI

  1. Automatic Weather System at Aeronautical Meteorological Station

H24Climatological summaries available
MALACCA Malacca WMKMHourly plus special observations

METAR

SPECI

  1. Automatic Weather System at Aeronautical Meteorological Station

  2. Wind and Runway Visual Range System measurement for wind and visibility adjacent to runway touchdown zones and stop-end.

H24Climatological summaries available
JOHOR BAHRU/ Senai International WMKJHourly plus special observations

METAR

SPECI

  1. Automatic Weather System at Aeronautical Meteorological Station

  2. Wind and Runway Visual Range System measurement for wind and visibility adjacent to runway touchdown zones and stop-end.

H24Climatological summaries available
KUALA TERENGGANU Sultan Mahmud WMKNHourly plus special observations

METAR

SPECI

  1. Automatic Weather System at Aeronautical Meteorological Station

H24Climatological summaries available
KERTEH Kerteh WMKEHourly plus special observations

METAR

SPECI

  1. Automatic Weather System at Aeronautical Meteorological Station

H24Climatological summaries available
BUTTERWORTH Butterworth WMKBHourly plus special observations

METAR

SPECI

TREND

  1. Automatic Weather System at Aeronautical Meteorological Station

  2. Wind and Runway Visual Range System measurement for wind and visibility adjacent to runway touchdown zones and stop-end.

H24Climatological summaries available
KOTA KINABALU Kota Kinabalu WBKKHalf hourly plus special observations

METAR

SPECI

TREND

  1. Automatic Weather System at Aeronautical Meteorological Station

  2. Automatic Weather Observing System (AWOS) adjacent to touchdown zones, mid-point and stop-end for all runways.

  3. Upper-air observations at aeronautical meteorological station 4 times daily

H24Climatological summaries available
LABUAN Labuan WBKLHourly plus special observations

METAR

SPECI

  1. Automatic Weather System at Aeronautical Meteorological Station

  2. Wind and Runway Visual Range System measurement for wind and visibility adjacent to runway touchdown zones and stop-end.

H24Climatological summaries available
TAWAU Tawau WBKWHourly plus special observations

METAR

SPECI

  1. Automatic Weather System at Aeronautical Meteorological Station

  2. Wind and Runway Visual Range System measurement for wind and visibility adjacent to runway touchdown zones and stop-end.

  3. Low level vertical wind shear observations by means of upper-air observations at Meteorological Station 2 times daily.

H24Climatological summaries available
SANDAKAN Sandakan WBKSHourly plus special observations

METAR

SPECI

  1. Automatic Weather System at Aeronautical Meteorological Station

  2. Wind and Runway Visual Range System measurement for wind and visibility adjacent to runway touchdown zones and stop-end.

  3. Upper-air observations at Meteorological Station 2 times daily.

H24Climatological summaries available
KUDAT Kudat WBKTHourly plus special observations

METAR

SPECI

  1. Automatic Weather System at Aeronautical Meteorological Station

H24Climatological summaries available
KUCHING Kuching WBGGHalf hourly plus special observations

METAR

SPECI

TREND

  1. Automatic Weather System at Aeronautical Meteorological Station

  2. Wind and Runway Visual Range System measurement for wind and visibility adjacent to runway touchdown zones and stop-end.

  3. Upper-air observations at Meteorological Station 4 times daily.

H24Climatological summaries available
MIRI Miri WBGRHourly plus special observations

METAR

SPECI

  1. Automatic Weather System at Aeronautical Meteorological Station

  2. Wind and Runway Visual Range System measurement for wind and visibility adjacent to runway touchdown zones and stop-end.

H24Climatological summaries available
BINTULU Bintulu WBGBHourly plus special observations

METAR

SPECI

  1. Automatic Weather System at Aeronautical Meteorological Station

  2. Wind and Runway Visual Range System measurement for wind and visibility adjacent to runway touchdown zones and stop-end.

H24Climatological summaries available
SIBU Sibu WBGSHourly plus special observations

METAR

SPECI

  1. Automatic Weather System at Aeronautical Meteorological Station

  2. Wind and Runway Visual Range System measurement for wind and visibility adjacent to runway touchdown zones and stop-end.

H24Climatological summaries available

LIMBANG

Limbang

WBGJ

Hourly plus special observations

METAR

SPECI

  1. Automatic Weather System at Meteorological Station

H24Climatological summaries available

MULU

Mulu

WBMU

Hourly plus special observations

METAR

SPECI

  1. Automatic Weather System at Meteorological Station

H24Climatological summaries available

3.5.4  Types Of Services

3.5.4.1 All AMO operate 24 hours and provide the following meteorological services:
  1. Flight documentation and briefing for all international and domestic flights;

  2. Aerodrome forecast and warning;

  3. Meteorological information for ATS Unit;

  4. Tropical storm and volcanic ash advisory and warning;

  5. Information on forecast of lowest QNH for the Kuala Lumpur and Kota Kinabalu FIRs;

  6. Meteorological information for all international and domestic flights operating out of any major airports.

  7. Meteorological information to Search and Rescue (SAR) Services Unit.

3.5.4.2 AMO at Subang and Labuan provide only meteorological report after 0900UTC on working days and during Public Holidays. During these hours, additional forecast meteorological information for international and domestic flights could be supplied by AMO at KLIA or Kota Kinabalu, provided that at least 5 hours advance notice is given.
3.5.4.3 Meteorological information for international and domestic flights will be ready for collection by 3 hours for international and 2 hours for domestic of the respective flight time, provided the request was made at least 5 hours in advance.
3.5.4.4 Details of the documents supplied for each flight are determined by agreement between the operator and meteorological offices. In general, the meteorological documentation for international flights contains significant weather chart, the most up-to-date wind velocity and temperature for standard flight levels, appropriate en-route, destination and alternate aerodrome forecasts, forecast data for take-off, as well as adverse weather and volcanic ash advisories and warning where appropriate.
3.5.4.5 Document for domestic flights include significant weather chart, tabular winds and temperature data up to FL 530 and compilation of regional aerodrome forecasts.
3.5.4.6 Routine aerodrome forecasts received from local and international AMO are incorporated in the flight documentation without modification. In the event that these forecasts are not received, a provisional forecast for local airports may be prepared by the AMO upon request.
3.5.4.7 Landing forecasts of the TREND type are issued with the routine and selected special reports to designated ATS Unit at Kuala Lumpur International Airport, Penang Airport, Butterworth Airport, Kuantan Airport, Kuching Airport and Kota Kinabalu Airport throughout 24 hours of the day.

3.5.5  Notification Required From Operators

3.5.5.1 It is the responsibility of the operator or its local representative or the pilot-in-command to notify the meteorological office of flights for which forecasts are required at least 5 hours in advance.

3.5.6  Volmet Service

Name Of Station CALL SIGN Identification (EM) Frequency Broadcast Period Hours Of Service Aerodromes Included Contents & Format Of REP and FCST & Remarks
1 2 3 4 5 6 7

SINGAPORE

METAR

H + 00

WMKK 23

WMSA

WMKP

WMKJ

WBKK 23

WBGG 23

SINGAPORE

RADIO

(A3J)

METAR

H + 30

WMKK 36

WMKP 36

WBKK 36

WBGG 36

6676KHz

(1230-2230)

11387KHz

(2230-1230)

H + 20

to

H + 25

and

H + 50

to

H + 55

TAF 24

HRS

WMKK 36

WMKP 23

H24

KUALA LUMPUR (3), (4)

KUCHING (3), (4)

KOTA KINABALU (3), (4)

PENANG (3), (4)

KUALA LUMPUR (4), (5)

KUALA LUMPUR (4), (7)

KUCHING (4), (7)

KOTA KINABALU (4), (7)

PENANG (4), (7)

METAR

METAR

METAR

TAF

TAF

METAR

METAR

METAR

METAR

 Plain Language EN.
  1. SIGMET Message of NIL” is transmitted

  2. Latest routine or special report between H+00 and H+15, including trend statement; repeated at end of broadcast, time permitting.

  3. H+00 (or the previous H+30 report when the H+00 report is not available) including trend statement when appended.

  4. As available.

  5. Valid for 9 hours.

  6. Latest routine or special report between H+30 and H+45, including trend statement: repeated at end of broadcast, time permitting.

  7. H+30 (or the H+00 report when the H+30 report is not available) including trend statement when appended.

SINGAPORE

SINGAPORE

VOLMET

D-

VOLMET

As

required

H24

KUALA LUMPUR

KUALA LUMPUR

SUBANG AIRPORT

KUCHING

KOTA KINABALU

PENANG

SIGMET

METAR

METAR

METAR

METAR

METAR

 Data Link VOLMET (D-VOLMET) service available H24. AP Ident WSSS. Messages comply with ARINC 623 standards.

3.5.7  Sigmet Service

Name of MWO/ Location Indicators Hours FIR Or CTA Served Type Of SIGMET Validity Specific Procedures ATS Unit Served Additional information
1 2 3 4 5 6 7
KLIA SEPANG WMKKYMYXH24Kuala Lumpur FIRSIGMET/4-6HR

NIL

Subang ATCCAdvisories of volcanic ash and tropical cyclone, if received, will be sent to AIS, Control Tower, ATCC and Operators.
KOTA KINABALU WBKKYMYXH24Kota Kinabalu FIRSIGMET/4-6HR

NIL

Kota Kinabalu ATCCAdvisories of volcanic ash and tropical cyclone, if received, will be sent to AIS, Control Tower, ATCC and Operators.

3.5.8  Other Automated Meteorological Services

NIL