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WinstonSalemArlington

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Posts posted by WinstonSalemArlington

  1. 18 minutes ago, USCG RS said:

    Snow growth regions, especially in the south, tend to be at or just below the 500mb (h5) level. However, the cold down here is very anomalous, as such, the best snow growth region will be shunted to the 700mb (h7) level for this storm. 

    So for this storm when a forecaster is looking at h5 and sees very low relative humidity (RH), they are seeing low moisture and thus low snow growth potential. However, h7 is full of RH and in this case, this is where we should be looking for snow growth (commonly known as DGZ - Dendrite Growth Zone). As such, while h5 might look like a dry slot or poor snow growth, this forecast should rely on h7 which looks great. 

    This is golden education. Thank you 

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