How is "METAR KDTW 140830Z COR" decoded?

The decoding of "METAR KDTW 140830Z COR" indicates that it is a METAR report for Detroit Metropolitan Airport (KDTW) generated on the 14th day of the month at 08:30 UTC. The term "COR" denotes that this observation is a corrected observation, meaning it has been amended after initial transmission to rectify errors in the original report. This correction often concerns details such as wind direction, temperature, or visibility, ensuring that the information provided is accurate.

The presence of the time in UTC format (08:30) is crucial in aviation as it ensures that all parties receive the timing of the observation in a standard timezone, facilitating coordinated understanding across different regions.

Understanding this format is vital for air traffic controllers and pilots for accurate weather assessment and ensuring safe flight operations.