Here is the 18z NAM run. Snow accumulations through Monday night.
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg_rISZYgusyPTfEwAZv1bUDtTsYxw0Q3y2HJNzw07AqfyiM0SpbX5KsnUpaQRONs45ekoKNtOE-q_zCKgQQ-mngBRXVKXMlEQZ1DCQzLxGa_LBrxIjHrKLZAdnjuQykwtRo_DwOUjbwmrw/s320/CONUS1_MESO-ETA212_SFC_ACCUMSNOWFALL_60HR.gif)
Here is the 18z GFS run. Snow accumulations through Monday night.
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi5j9I-s6TSHEMNOrSZHE4opuEQ0nOWRh9odCz-tHHWA14UXjVNqBCN7gH1Lgxj0prHIeu7E_vJZNWFs-Tc5oKFoTMNZzvcj0S4rbGSnM5lJX4zLi8SSiGJBASeicRnnagxp-kIl5PnQxSl/s320/CONUS2_GFS0P5_SFC_ACCUM-SNOW_60HR.gif)
I should say that I normally don't give a lot of stock in the 6z/18z runs of the computer models. When they ingest data to start the modeling process, they do not include upper-air data in the initialization.
To contrast this information one of our 12km forecast model, the RPM, tries to drop even more snow across the area. It is suggesting a 2"- 7.5" snow across southeast Missouri, southern Illinois, and western Kentucky. haha I'm not buying this one at all. This model likes to flip flop more than a dead fish on the beach.
I am still feeling pretty good with my snow forecast from earlier today. Although, if the north trend continues in the models, it could be a little less than forecast.
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