A METAR observation is taken ___?

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Multiple Choice

A METAR observation is taken ___?

Explanation:
METARs are routine aviation weather reports produced at airports to give a current snapshot of conditions. The standard cadence for these routine observations is hourly, so a METAR is issued once every hour to reflect the weather during the preceding hour. If weather changes significantly between hourly reports, a special METAR (SPECI) can be issued to update the information sooner. Daily would be too infrequent for pilots and operations, and unscheduled intervals aren’t the normal practice for routine METARs, since changes between hours are handled by SPECI reports rather than delaying the regular hourly cadence. So, the observation is taken hourly.

METARs are routine aviation weather reports produced at airports to give a current snapshot of conditions. The standard cadence for these routine observations is hourly, so a METAR is issued once every hour to reflect the weather during the preceding hour. If weather changes significantly between hourly reports, a special METAR (SPECI) can be issued to update the information sooner. Daily would be too infrequent for pilots and operations, and unscheduled intervals aren’t the normal practice for routine METARs, since changes between hours are handled by SPECI reports rather than delaying the regular hourly cadence. So, the observation is taken hourly.

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