Friday, December 18, 2009

12/18 11:20 AM winter storm update

Band of precip will move into the region within the hour bringing a mix of rain, snow and sleet. The precip could initially fall as rain as the column saturates and cools. This band of precip is associated with the strong 850 mb low... Expect precip rates to continue to increase as this low skirts south of the region. Current RUC sounding show a 0c isothermal layer throughout the column this afternoon. Surface wet bulb is currently at at or slightly below zero in the triangle. Chance of moderate to heavy snow/Sleet during rush hour looks like a real possibility in the triangle.kk

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