here's, chennault said light rays are mosaic it easy moisture coming from the gulf of mexico -- gulf of mexico across the eastern seaboard. this is all the way through main . however as we look here, see this patch of snow across the texas panhandle? that is a disturbance in the upper atmosphere that shows up here in the water vapor imagery. this will strengthen as it moves eastward over the 24 to 36 hour period. in the wintertime when you have a tightly wound system in the upper atmosphere, and that center of circulation goes just to your south, that is a situation where you can pick up some snow. the problem is our surface temperatures are so warm, they're going to be above freezing all day tomorrow and tomorrow night, even if we change to snow, it's hard to problem. what if you are up at just the right time late tomorrow night or early friday, you may see flakes falling from this disturbance. let's take a look at the simulation as to how this will all play out. green the case where we had deep moisture in the atmosphere. the rate of blue lines here are the freezing lines, one for