TAF question

[Jeanie]

Few 000 ..... How can you have few clouds at 000 ?

 

[MAKG1]

A couple of patches of ground fog not on the runway?

Or a typo….

 

[denverpilot]

Steam train passing the airport?

 

[Velocity173]

Yeah just some patchy fog I imagine. It's a partial obscuration at the surface. Before we got on board with the whole ICAO format it was indicated with a -X.