Originally Posted by Dackelone
Snow tires will out perform all season tires - in all winter conditions.
Summer tires will out perform all season tires - in the dry and wet (summer conditions).
All season tires are a compromise tire. They will not stop as well in the wet or dry in the summer as good as summer tires will. AND they will not perform as well as dedicated snow tires in winter conditions. That is why some people call them "no season" tires.
Can't say I completely agree. I've ran a set of Blizzak WS-60's before and they are horrendous on pavement that is not snow covered, they're very unstable, brake and cornering are severely compromised as well.
I do agree summer tires in warm weather are far superior on both dry/wet pavement. But all seasons seem to be the way to go in regions with freezing temperatures but very little snowfall. I don't know how anyone would say snow tires are superior in any cold climates unless the area gets regular snowfalls.