Monday, January 21, 2013

2013/01/23 Snow Forecast (Originally 1/20 forecast)





NAM Model Run 18Z

 
ECMWF snow projections, with the freezing line


Historically most similar storms with snow accumulations


Here we go with another snow producing system for this Friday. Note that with the presence of a weak warm layer aloft, there is a slight chance of sleet mixing in. The warm layer doesn't seem to be strong enough for freezing rain (complete melting), and we will not have the warm ground issue like our last system. Instead, what falls will likely stick right away. I expect this week to remain cold however there will be a short mild trend for next week. Late next week we get a harsh burst of cold air. For good measure, check this out: the plot was used from data I calculated back in November!










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