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About 70% of stations now report in BUFR. Iceland is now reporting BUFR from almost 100 stations, compared to about 20 in TAC, there are also extra stations from Brazil. For some countries (eg Japan) stations/reports designated for national use only are received in TAC but not in BUFR. For part of March and April BUFR reports from USA, Thailand and some western Pacific islands were missing, in ; for much of the week shown (1-7 June) Russian BUFR reports were missing. In recent months BUFR reports from some Canadian stations have appeared and Tanzanian stations have started reporting BUFR six-hourly. There were other fluctuations about two months ago, partly because some countries started using new BUFR tables that ECMWF could not introduce immediately.
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