Several things not mentioned there.
1.) Days of cold ,raw, wet onshore flow
2.) Cold, record breaking outbreak with widespread freezes
3.) Below normal pattern
Other than the op GFS every single piece of guidance got rid of that cold shot idea lol. It’s a day of temps near 60 now .Before furnace 28th and on
https://x.com/clarkkenwxman/status/1781393248600383664?s=46&t=dhcbvkjmRcyBVQtDxJ3lRg