A cold blue is in effect on Wednesday and Thursday night in Vineland. The weather forecast and low overnight temperatures and wind chill for Wednesday and Thursday nights meets the criteria to declare a Code Blue Cold Weather Emergency. A warming center will be opened each night from 6:00 p.m. until 8:00 a.m. the following morning for anyone seeking shelter from the cold. The shelter will be located at the First Presbyterian Methodist Church, 8th St. & Landis Ave.