A Winter Weather Climatology for the Southeastern United States

Christopher Fuhrmann and Charles E. Konrad, II

Department of Geography
The University of North Carolina at Chapel Hill

The occurrence of freezing rain typically begins in early December and phases out in mid-March, although more northern and mountainous regions may experience freezing rain as early as November and as late as April as shallow pools of cold air occasionally leak into these regions at low levels (usually by diabatic processes) with much warmer air aloft. There is no distinctive period of maximum frequency, although most of the sampled stations show the greatest frequencies in late December, early February, and early March. The distribution of snowfall indicates a period of maximum frequency in mid-January, with a shift to early February along the coast. Further, most sampled stations show a gradual increase in snowfall frequency throughout the early part of the winter (typically beginning in early November) with a sharper decline occurring in late-January and into March and April.

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