December 16th, 2008 by Steven DiMartino
7:13 PM
This evening the cold air continues to slowly push south at the surface under increasing WAA from the Tennessee Valley and Southeast. Temperatures even over southern New Jersey continue to fall, now around 35 over Atlantic City. The reason for the continued push of the cold air at the surface is the persistent north [...]
December 16th, 2008 by Steven DiMartino
8:00 AM
Today I’m going to combine both the short range and medium range discussions as they both pertain to the same forecasting problem, which is how to handle the low level Arctic Air.
TODAY THROUGH THURSDAY:
I’ve been keeping an eye on how the temperatures are falling and especially the freezing line at the surface and [...]
December 12th, 2008 by Steven DiMartino
8:47 PM
The model guidance is starting to come into better and better agreement with the upcoming pattern after Tuesday afternoon, which may have some very icy implications for the entire forecast area, even the coastal plain.
The main feature I want to focus on is the 12Z GFS, 18Z GFS, 12Z ECMWF, even GEFS ensemble [...]
November 17th, 2008 by Steven DiMartino
I’m sure that those who have been monitoring the models like a hawk have a bit of a headache as each run seems to show a different solution from model to model and run to run. Of course, the most exciting has been the GFS, which did have a nice snow storm depicted for next [...]