All the maps are interactive and extra information on the specific station is shown in a pop up by clicking on the marker.




SYNOP Coverage



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TAC only

BUFR only 

Dual: BUFR and TAC 






TEMP Coverage 

TEMP Descent Coverage 



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TAC only

BUFR only, high resolution and drift

BUFR only, low resolution and drift

BUFR only,  no drift (reformatted TAC)

Dual: BUFR and TAC, high resolution and drift

Dual: BUFR and TAC, low resolution and drift

Dual: BUFR and TAC, no drift (reformatted TAC)






SYNOP Issues

TEMP Issues



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BUFR/TAC positions different ( > 0.1 degree)

WMO id not in Vol A Catalogue

Silent,  no report received in the last 7 days (but at least once in the last year)

BUFR observations/day < 60% TAC observations/day






SYNOP BUFR Frequency

SYNOP TAC Frequency


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24  observations/day

8 to 23 observations/day  

4 to 7  observations/day  

2 to 3  observations/day  

1 to 2  observations/day  

less than 1 observation/day






TEMP BUFR Frequency

TEMP TAC Frequency


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>=4 observations/day

2 to 3 observations/day

1 observation/day

less than 1 observation/day






SYNOP BUFR Timeliness

SYNOP TAC Timeliness


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0 to 10 minutes delay

11 to 20 minutes delay

21 to 30 minutes delay

31 to 60 minutes delay

> 61 minutes delay






TEMP BUFR Timeliness

TEMP TAC Timeliness


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0 to 30 minutes delay

31 to 60 minutes delay

61 to 90 minutes delay

91 to 120 minutes delay

> 121 minutes delay