Many events have been affected by the snow forecast. Below are a select few:

Ravens : Sunday's home game is moved from 1 p.m. to 4:15 p.m. Stadium parking opens at 11 a.m.; gates open at 2:45 p.m.

City libraries: All Enoch Pratt Free Library branches are closed today.

Zoo and aquarium: The Maryland Zoo in Baltimore and the National Aquarium in Baltimore are closed today.

Crab Bowl: : Maryland Crab Bowl is postponed until 7 p.m. Monday at Towson University. Youth players are to arrive at 4:30; at 5 p.m., gates open and high school players should report. The Youth Crab Bowl game is at 5:30 p.m., with the main game at 7 p.m.

UM commencement, finals: University of Maryland's College Park campus will be closed today, with scheduled final exams and the campus-wide commencement ceremony canceled. Individual college graduation ceremonies set for Sunday are still planned, although officials say an official announcement will be made at 8 a.m. Sunday by e-mail and at www.umd.edu. Makeup final exams are up to the discretion of the faculty.

Johns Hopkins: All Saturday classes and exams are canceled for the Carey Business School, the School of Education and the Advanced Academic Programs of the Krieger School of Arts and Sciences.

Peabody: All classes and recitals at Peabody Preparatory will be canceled today.

Anne Arundel County public schools: All school-sponsored weekend events are postponed.

Harford County public schools: All Saturday events are canceled.

Landfill: Harford County's Waste Disposal Center on Scarboro Road is closed today. It is expected to reopen at 7 a.m. Monday.

Horse racing: Maryland Jockey Club has canceled live racing and simulcasting at Laurel Park and Pimlico Race Course today.