#MeteorologicalMonday! Read our forecast discussion about how unusually cold air is headed our way. https://go.usa.gov/xP5G7 The purple shading shows that the upper level trough forecast Thursday is deeper and colder than any in the 1979-2009 climatology https://go.usa.gov/xP5G6 pic.twitter.com/UeeL59xzEe
Source: Twitter NWS Burlington