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2021-2022 Fall/Winter Mountains Thread


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Areas affected...Portions of southern and central Appalachians and vicinity Concerning...Heavy snow Valid 120733Z - 121330Z SUMMARY...Heavy snow is possible within the southern and central Appalachians and vicinity. 1-2 inches per hour snowfall is possible in eastern Tennessee and Kentucky. Rates of 1-1.5 inches per hour will continue to move northeastward into West Virginia and western/central Pennsylvania towards early morning. DISCUSSION...Temperatures have been dropping quickly across eastern Tennessee and Kentucky over the past 1-2 hours as cold air advection and diabatic cooling have increased. Correlation coefficient data from KJKL and KMRX show a transition zone from rain to snow roughly located in the Cumberland Plateau vicinity. This transition zone has quickly shifted east over the last hour. The combination of mid-level ascent and upslope flow will support 1-2 inch snowfall rates along the western slopes into the Appalachians. The greatest snowfall rates will begin to taper off by 4-6 AM EST. Farther north, snowfall is increasing across West Virginia into western Pennsylvania. Several observations sites are reporting moderate to heavy snow that is has been primarily driven by 850-700 mb frontogentic lift. As the trough moves east and intensifies, deep-layer ascent will increase in these areas into early Saturday morning. The potential for 1-1.5 inch snowfall rates will increase accordingly during the next several hours. ..Wendt.. 03/12/2022mcd0244.gif

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39 minutes ago, Buckethead said:

Approaching 4" on the ground now at 4500' in Wolf.

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Got about 2 inches here with a heavy layer of sleet underneath all the snow. The wind is ripping and there are numerous power outages around the county already.  Temp down to 23 which is a 25 degree drop from midnight... 

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