Lots of METARs are wrongly time-stamped
Nowadays, with the technology available, I find it hard to believe how many METARs are still wrongly time-stamped.
Lately I’ve been following this issue. Little mistakes made when coding the time-stamp for the METAR render it useless…
Sometimes just after a date change, the weather observer uses the previous date number. Other times, an additional number slips into the date. Sometimes, I guess the weather observer just uses local time instead of UTC time.
The fact is that every day there are a few dozens of METARs that aren’t time-stamped right.
There is little we can do to help solve this issue, except for publishing it here.
I suppose the program that weather observers use to code the METAR isn’t prepared to trap those mistakes. I haven’t had the chance to check whether some country escapes from this type of error…
Are you a weather observer? Please, drop us a comment on this.
Here are some examples taken out of the last couple of days:
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