If the weather is reported as 100' OVC, is this a problem?

In aviation, a weather report of 100' OVC indicates that the cloud cover is overcast at 100 feet above ground level. This typically represents a very low ceiling.

The correct response indicates that the ceiling is not controlling. This suggests that there might be circumstances under which flying is acceptable, as it may not restrict operations for certain types of flights or aircraft. For example, if a pilot is conducting an operation that doesn't require a higher minimum ceiling, they might be able to proceed safely despite the low overcast layer.

Though low ceilings can present challenges, they do not outright indicate a flight failure or a mandatory descent. Therefore, understanding the specific context of the flight operation and regulations governing it is crucial to determining whether conditions are acceptable for flying.