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Snow Past St. Patrick's in Maryland?

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Posted at 12:14 AM, Mar 17, 2016
and last updated 2016-03-17 00:45:58-04

Snow.  Really?  On the first day of Spring?  And after a prolonged stretch of unseasonably warm days to start the month?  All I can say to those very legitimate counter arguments is, "beware the Ides of March!"

For the past 3 years in Baltimore, we have had at least one legitimate "snow threat" in late March.

In 2014, we had significant accumulating snow at BWI as late as March 16th-17th.

Then in 2015, we had significant accumulating snow at BWI as late as March 20th!
 
I know, I know, it really doesn't seem fair at this point!
 
However, there are two things you can certainly take heart in, if like me, you are ready to put our snow season in the rear view mirror.
 
1) Even when it does snow in Maryland after early March, accumulation is tough to come by.  The sun angle is too high and ground temps are simply too warm hold the snow.  That is unless we talking a purely overnight arrival and/or a storm so powerful it can overcome this, essentially chilling the ground by dumping a massive amount of snowfall.  Neither of these appear to be the case Sunday into Monday morning, with the onset of precipitation occurring during the day Sunday.
 
2) This will be a coastal storm, therefore the heaviest and most prolonged precipitation will be along the Eastern Shore.  However, the coldest air in the state looks to remain in the western half / west of Baltimore. Therefore, snow the best chance for some accumulating wet snow, especially on grassy surfaces, looks to be on Delmarva at this point.  However, even there, quite a bit of cold rain could mix in.
 
Now of course, things can change.  Perhaps temperatures will run far colder than expected Sunday and the bulk of precipitation will hold off until late Sunday night. (But for now, that combination of factors seems a long shot).  A
 
As always stay tuned, but for now enjoy a mild St. Patrick's Day!