This is the 15281st most frequent German word.
ungemütlichen
Uncomfortable or unpleasant.
In this sentence, 'ungemütlichen' is an adjective describing the café, conveying that it was not comfortable or welcoming.
Am Abend saßen wir in einem ungemütlichen Cafe.
In the evening, we sat in an uncomfortable café.
Here, 'ungemütlichen' modifies 'Kommentare', implying that the comments made people feel uneasy or disturbed.
Die ungemütlichen Kommentare im Forum führten zu einer hitzigen Diskussion.
The uncomfortable comments in the forum led to a heated discussion.
In this case, 'ungemütlich' is used in its adverbial form to describe the overall unpleasant atmosphere caused by the storm.