Tuesday, January 5, 2010

10:45pm Weather Update

New data is coming in tonight. Specifically, I am paying attention to how much moisture the storm might have to work with.

The 0z (6pm CT) NAM run is now in. That is the latest data available. I am still feeling pretty good about my snowfall forecast. The only thing that might be adjusted is the timing of when the snow gets here. Initially, I was thinking the snow would reach the Cape Girardeau, Missouri area around 8:00pm-10:00pm Wednesday evening. It might start 3 to 4 hours later.

Here is a look at graphs of snowfall accumulation for specific locations around the region.

Cape Girardeau, Missouri:

Farmington, Missouri:

Paducah, Kentucky:

St. Louis, Missouri:


Indianapolis, Indiana:


On the graphs you will see several different lines. Each line represents a specific run of a computer model and one represents the National Weather Service forecast snowfall accumulation.

As mentioned earlier, the 0z (6pm CT) run is the latest data. Next is 18z (12pm CT). After that is 12z (6am CT).

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