Afternoon Update
* Trying to get caught up on TV graphics as I type this, so forgive the brief and segmented nature...-- System tonight will not be a big deal for us. Perhaps some accumulating snow across NE AL and parts of central TN. An outside chance of a sprinkle, but most places will stay dry.
-- The more interesting system of the two comes Friday night into early Saturday. The key to this system will be how much warm air moves in aloft as the system approaches. We call the movement of warm air "warm air advection" (WAA) - and how much WAA we get will play a key role in determining if we see a cold rain or some snow or ice. Right now, it appears that we will see the majority of precip here fall in the form of rain, with a possible changeover to snow. The best chance of this snow would come north of I-20 and east of the Alabama/Mississippi state line.
-- The potential is there for a significant bout of winter weather...Exactly when and where remain to be seen...But, we will try to be as specific as possible. Just keep in mind that this WILL change in some fashion before Friday night. But, as of now, this is what we're thinking...
Mostly light snow along and north of a line from Grenada, Mississippi to Birmingham, Alabama. This is north of our area and includes places like Starkville, Columbus, Tupelo, Hamilton (AL), etc...Some snow accumulation is possible in these areas.
Mostly rain, perhaps mixing with or ending as snow...north of a line from Jackson, MS to Auburn, Alabama. This includes the northern half of our area - roughly along and north of U.S. Highway 80. Includes Meridian, Philadelphia, Demopolis, Livingston, Macon, and Greensboro. Snow accumulations are not likely, but some areas could see areas of slushy wet snow on grass and elevated objects.
South of that line should be mostly rain, with a few snow flurries possible Saturday morning as the storm departs. No accumulation expected at this time.
***I want to urge that this is a very preliminary "rough draft" of the forecast. There will be changes made to these areas I've highlighted through the next 48 hours. We simply want to give you an idea of what we're thinking, and at least begin the forecast process***
posted by WTOK Weather Staff @ 4:24 PM
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