BLOG: Warm(er) Weather Ahead

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_xlwoods

We officially dropped to 8 degrees this morning at BWI-Marshall.  Parts of northern Baltimore and Carroll Counties dropped to 0 overnight, and it even went down to -1 in York, PA.  That makes this the coldest morning so far this season.  We did recover to the upper 20s this afternoon, but that’s still 10-15 degrees below average.  This plays right into the month that we have been having.  Of the 24 days so far in January, 18 of them have been below average.  During this current Arctic invasion, we have only averaged a high of 29.8 degrees and an overnight low of 12.5 degrees.  The normal for this same time is 41 degrees for the high and 23 degrees for the low.  The worst of this cold snap ends today as warmer air moves our way. 

A weak storm will pass north of the state tonight through tomorrow.  The warm front part of the storm will bring some clouds and maybe a few flurries through overnight.  But it’s this same warm front that will bring in the warmer air.  We are only dropping to around 20 degrees tonight before temperatures start rising late tonight, and keep rising right up to the mid 40s tomorrow.  That weak northern storm will get out of here tomorrow with a second storm quickly moving in behind it Wednesday.  The Wednesday storm will be a much different story.

The Wednesday storm will be advancing along the Gulf Coast tomorrow, picking up a lot of moisture along the way.  Then, it will make the turn up the coast Tuesday night, arriving here early Wednesday morning.  With the true Arctic air gone, and this storm tracking close enough to Maryland that we will get in on the warmer air it’s drawing up with it, this storm is going to feature a little bit of everything across the state.  Like a lot of the last storms, what you get will really depend on where you are. 

For the Eastern Shore and southern Maryland, this will mainly be rain with possibly a burst of frozen preciptiation at the end of it Wednesday overnight.  Along I-95, this could start frozen before changing to rain and then changing back to snow before it comes to an end.  Farther northwest of the city, there will also be some mixing but the colder air will hang on longer at the beginning and come back quicker at the end – so there could be some accumulating snow.  We will fine tune those details tomorrow for you, so stay tuned. 

This storm will wrap up and get out of here early Thursday.  Dry weather will take over the rest of Thursday and Friday with highs in the 30s before a weaker storm comes in from the northwest over the weekend.  It looks like that one could bring a new round of cold air again next week.

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