Tuesday, March 12, 2013

Wed Night

Synopsis: Brief snow squalls are possible tomorrow as a shot of cold air moves into the region and lasts until late week. A brief warm up occurs by the weekend as a storm system approaches from the west.

Short Term: Cold air advection aloft, coupled with a upper level divergence from the left exit region of a jet streak, will cause snow squalls to move across the state tomorrow morning into afternoon. Higher elevation locations will see most of the accumulating snows, however a quick dusting is possible region-wide. Northwesterly flow will continue to usher in cold air and will provide breezy conditions through Thursday.

Long Term: Weak ridging on Friday will gradually warm the region up by the early weekend, when a shortwave dives down from the upper Midwest and scoots on through the region. Light precipitation can be expected with snow North of I-80, though there is some slight model discrepancy as to the exact track of this system. Another, stronger, system will approach the region early next week. model guidance is beginning to come into agreement with the solution, though there is still uncertainty as to precipitation types. As of now (using a blend of the GFS and EURO), it looks like a mostly rain event with a wintry mix in northern zones. 




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