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Snow Threat: Jan 10-12 (first call)

Here is my preliminary call for the 10-12 January 2011 event:

The operational models have not necessarily been agreeing with each other as to the storm’s track, but each model has had their own consistencies in producing snowfall along the East Coast, so I decided to venture a first guess. A final map (and maybe an intermediate map) will be issued as the event gets closer.

It will be interesting to see if the GFS (and NAM) snow-enhanced zone north and west of Richmond, VA will verify as it seems to like having the secondary low over the southern Midwest a little better than the ECMWF does. Mixing will be a problem in NC, and that will likely need to be adjusted a bit. I haven’t thrown in anything above 8″ yet, but that may become a concern when making the update.

Snow Threat: Jan 7-8 (final call)

After the dusting to a quarter-inch of snow that we saw just before sunrise today in the DC area, another round of snow will be on tap tonight and into the afternoon tomorrow.

DC could see 0.5-1.0 inches of snow by the end of tomorrow.

Areas to the east near Baltimore could see 1-2 inches, with isolated areas of 2-4 inches in the Delmarva area.


Snow looks to be on the way

Looks like I’ll be eating my own words about not expecting much snow for the DC area from this system that the models haven’t been too much in agreement on. But now, Friday evening into the early, early morning hours of Saturday, many forecasts are saying there is a higher potential. Of course, reading MAD US Weather’s own Mark Ellinwood (see previous blog post) looks to have been a best bet. TV and government forecasters aren’t talking snow totals yet, but Mark’s numbers don’t seem to be too far off what the ‘inside’ word is. It may be a west to east pattern this time around. Basically, what I mean is that the snow totals won’t measure highest to lowest in bands that increase and decrease horizontally, but vertically. Areas to the east, closer to the ocean may see the higher totals, and less toward the mountains. This isn’t uncommon for these coast storms. But still tons to determine yet, and I’m going to get some extra sleep in preparation for covering the event if it pans out. (