The difference between a snow depth product, and a total snow accumulation product. Ive been using the snow depth output, because of the ground being warm and the snow settling. A snow accumulation product has its uses (snow falling on top of a pre-existing snow base), but can mislead people into thinking that more snow will be resting on the ground than what actually will happen. Domain knowledge has to take a primary role in these situations. Can Mt. Leconte get up to 14 of snow? Its probable, given its location and geography. Will Columbia, South Carolina get 3-5 of snow? Highly improbable. One could certainly get 8 of snowfall from an event, but never see more than 2 of snow on the ground at any one time, because it was settling or melting underneath. For the lower elevations (below 3000) I have 1-3. Between 3000 and 4000 I have 2-4. Between 4000 and 5000, I have 4-6. For above 5000, I have 6-8 of snowfall. I have an updated map below: I would not be surprised if the highest peaks along the NC/TN border (Mt. Leconte, Roan Mountain) top 8. The increase is from a forecast trend of the upper level low getting stronger.
Posted on: Fri, 31 Oct 2014 20:57:59 +0000
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