Prepare For Power Outages

Potential Snowfall Accumulations through 12AM Thursday

  • Light Rain or Snow will develop Tuesday during the late afternoon or evening while temperatures will slowly fall into the middle 30s.


  • Rain will transition over to heavy, wet, accumulating snow during the overnight hours, especially along and west of the Interstate 95 corridor.


  • Heavy Snow will continue during the day for all areas along and west of Interstate 95 with the eastern suburbs & Chesapeake Bay changing over to snow during the midday hours.
Latest Precipitation Amounts from the HPC

Latest Precipitation Amounts from the HPC – Tremendous Amounts of Moisture to Work With (Hint Hint: Someone is going to get slammed with RECORD March Snowfalls!)

  • This system will have ample amounts of moisture to work with and if this were mid February, we would be looking at a widespread 20 to 30″ of snow (with temperatures in the upper 20s versus the lower 30s). 


  • The snow will stick to trees and power lines and with winds gusting to 35 mph on Wednesday there will be an increased risk of scattered to widespread power outages, especially in areas that receive 6″ or more of snowfall.


  • The complicated rain/snow line *may* waffle just east of Interstate 95, however as colder air aloft and *dynamic cooling* begins in earnest on Wednesday morning, any mixing of rain and snow will transition over to heavy wet snow with low visibility and slushy untreated roadways.  Travel will become difficult on Wednesday, especially in locations in the higher elevations and areas along/west of Interstate 95.

***Conditions will deteriorate rapidly from the Urban Heat Island of Reagan National Airport to some of the closer in suburbs of McLean, Potomac, Bethesda, North Arlington and Falls Church.  This storm will mean business and residents should prepare for the possibility of losing your power due to the heavy, wet nature of this snow.  No, not everyone is going to get the 15″ jack pot… but this will be a memorable storm for March Standards.  Remember the January 2011 wet snow?  We got about 6″ in Arlington and there were trees down all over the place.  Plan accordingly. 

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