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WMO Publication No. 9 - Weather Reporting
Volume A - Observing Stations

METNO MESSAGES

How to receive a METNO message

METNO Messages are sent at 1500 UTC, every Thursday and are also available on the WMO FTP server.

 

METNO format

To differentiate METNO messages related to Volume C1 from those related to Volume A, the following abbreviated headings are used:

  • For a METNO message related to Volume A: NOXX01 LSSW YYGGgg
  • For a METNO message related to Volume C1: NOXX02 LSSW YYGGgg
 

Example of a METNO message:

NOXX01 LSSW 010800
METNO A0507

A 60510 tiaret / 93323 vanganui / 11033 breitenfurt /
B 17095 ERZURUM BOLGE 39 54N 41 17E HP1869 H/HA1869 . . . . . . . . RW . RW . /
C 68285 BELFAST /
D 56651 LIJIANG 26 50N 100 13E /
E 89058 great wall ( . . . . ) / 71805 saint-pierre . . x x x x x x . . . . /
F 89058 great wall ( . . . . ) () pilot-balloon observations are made during clear weather conditions /
G 08579 lisboa/gago coutinho (1) L2 (2) 1100 and 2300 utc (3)30,50,62,75,90 (4) yes /

METEOMOND (41 41 99 A OMM CH)

 

Explanation of the coding used in a METNO message:
 
 
 
METNO
Meteorological Notification
A0107
A = Volume A; 01= Weekly serial number; 07 = Year
 

Delete the following station(s): The index number and the name are given.

B

Add the following new station(s): Full details are given.

C

Change in index number/station name: The new index number/the new station name are given.

D

Change in position: The new latitude and longitude are given after station index number and name, when a significant change has occurred.

E

Change in observing programme: This part applies especially to stations in regional basic synoptic networks. Full new programme of surface observations, and/or obs.H/obs.S, and/or upper-air observations is given after station index number and name.

F

Remarks: Only remarks essential to understanding or completion of previous data appear in this part. In each case the data to which the remark applies is repeated in parentheses.

G

Changes in radiosonde instruments and observation procedures:

This part concerns radiosonde stations listed in Volume A and updates the entries of the WMO Catalogue of Radiosondes in use by Members. The index number and name of the station are followed by identifiers (1) to (4) defining as follows the changes to the entries in the Catalogue:

(1) Instrument type
(2) Release Times
(3) Balloon ascent
(4) Corrections for solar radiations (Yes or No)

When there is no information for any of the above seven parts the message contains the word "nil" against the appropriate part(s).

   

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