Today's items:
1. The New Castle Historical Society announced that it's holding a model trains lecture, the first as part of its Antiques Lecture and Appraisal Series. It is scheduled for today at 10 a.m. at the Chappaqua Library. Details are at this link.
2. Tonight at 6:30 p.m, Horace Greeley High School has its College Night for 11th graders, according to this announcement.
3. NASA explains what is "polar vortex," the term brought up in various news reports yesterday about weather, at this link.
4. An obituary for former county police officer Robert J. Kelly was widely read yesterday.
5. Got any New Year's celebration photos? Upload them to our photo gallery blog.
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