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Story summary
- A potential blizzard could affect New York this week due to persistent La Niña conditions and colder air.
- Colder air could enhance lake-effect snow over upstate New York.
- Snow bands are predicted off Lake Erie and Lake Ontario, though full-blizzard conditions remain unlikely.
- Localized areas could receive up to a foot of snow.
- The National Weather Service warns travel may be hazardous near lake-effect snow bands.
