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By Chris White

Weather Blog: Since Fredericksburg resides "in the seam" between the Richmond VA and Washington DC media markets this blog is a look at the weather from a Fredericksburg-centric point of view.

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The tropics are coming, the tropics are coming

The warm air surging northward courtesy of a developing – and atypical – January “Bermuda High” is knocking on the doorstep of the ‘Burg today (Friday), but first we need to contend with some low overcast and showers.  The upper level short wave disturbance that provided rain over eastern Texas and Louisiana the past couple of days is swinging through the Ohio Valley today and will push a warm front through Fredericksburg this evening before dragging a weak cold front through later tonight.  This system is creating the clouds and showers today and will likely leave fog behind for Saturday morning.  There is only the potential for very light amounts of rain (perhaps 0.1 inch) as shown in this HPC graphic:

Then…the warmup commences in earnest.  After the fog burns off Saturday morning the warm air from the Gulf of Mexico will heat under some sunshine and zoom temperatures into the upper 60′s (F) tomorrow!  And Sunday, even though there will be more clouds than sun, the temperatures will very likely flirt with the 70 degree mark with light southerly winds.  It doesn’t look like there is any threat of rain for the weekend but as a stronger cold front approaches Monday we could see some precipitation.  Make plans to enjoy the outdoors this weekend!

Now for a quick look ahead at the cold air outbreak that we’ve heard a lot about for this coming week.  To summarize:  the ‘Burg will avoid the first Arctic haymaker and will only feel the fringes of the initial cold blast.  I’ll detail it more in Monday’s post but if you have travel plans north of the Mason-Dixon line next week I’d take the parka if I were you.  For you snow and cold weather lovers don’t give up hope yet.  This isn’t the only southward surge of Arctic air on the horizon.  There is plenty of highly refrigerated atmosphere banked up over Canada that will tumble our way this winter, perhaps as early as next weekend.  It is coming…

Permalink: http://news.fredericksburg.com/weather/2013/01/11/the-tropics-are-coming-the-tropics-are-coming/