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Tuesday, February 12, 2008

Some snow, then sleet, freezing rain, rain, and ending as snow

Say that 5 times fast!
Last night I made a quick post to point out what I caught as a Primary Day surprise. Well, I was still surprised when it was snowing at 2:00am. It was just a brief round of light snow well out ahead of the next developing storm. Here is a morning snapshot from Villa Julie College in Stevenson. That is about 2 miles off the NW corner of the beltway. You can see it was just enough snow to cover the parking lot, but it was slippery.
It will really begin to affect us mid day, but it should be more of a sleet and freezing rain mix as an easterly wind will warm up the mid layers of the atmosphere. Not a whole lot of accumulation is expected- at least while frozen, but it will be a nuisance, and the kids are already off of school. By the time the storm rolls in, will will be all rain tonight and tomorrow. This is make up time. Making up for the drought, as another 1-2 inches of rain are likely.
I am still curious about the developing secondary Low that may hold the moisture will the cold air returns Wednesday night. I still think it is possible that we end this thing with snow, and perhaps some accumulation. The NAM model does not show much, while the GFS extracted data for BWI shows the potential for up to 3 inches or snow as the storm pulls away. I hate to sound like election coverage, but I will post again when more information comes in.

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