"Jose" wrote in message
news

... or separated from the station laterally by a "sufficient" distance,
which will usually not be sufficient for lateral differences in air
pressure to have much effect, but could easily be sufficiently distant for
adequate cumulo-granite separation.


The mountain was stated to be "nearby".



And altimeters are useful for VFR flying too.


Yes, but we're discussing this in rec.aviation.ifr.