Tony,
The accuracy of weather forecasting in most parts of the world leaves a lot to be desired. Yes, they're calling for snow, but it likely will not amount to much at all in Baltimore. The most accurate forecast I've found is at
http://www.nws.noaa.gov/er/akq/mswi.html which is the marine weather predictions. No weatherman sensationalism here to worry about.
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Good Luck,
Gary
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