Strong winds, possibly damaging, will blow on Washington from Sunday afternoon until Monday.

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Simulation of the pressure and gusts of wind at 19h Sunday of the European model. The orange shade is about 35 mph, burgundy 45 mph, pink at 55 mph and pale blue at 70 mph. (Windy.com)

In the back of the bomb that devastated Ontario and Quebec, strong winds will blow in the eastern United States on Sunday afternoon and Monday. In the Washington area, we can expect about 24 hours gusts to over 40 mph going from Sunday afternoon to Monday afternoon.

This event could trigger isolated to scattered power outages from felled trees, especially since the soil is partially saturated by recent rains. The two periods of strongest winds, where gusts could approach 50 mph, are expected Sunday night and again Monday morning.


Wind gusts projected from the high-resolution NAM model from 16h. Sunday at 16h Monday. (PivotalWeather.com/PivotalWeather.com)

It is a good idea to secure or bring loose outdoor items and recharge your electronic devices in the event of a power failure.

The strongest winds in the region are expected in northern Maryland and in the mountains, to the west and northwest, especially along the ridges of crests, where gusts of 100 km / h are reasonably probable.

This windstorm will not be as bad as the one from March 2 about a year ago. This storm caused gusts of more than 50 km / h for 12 hours or more in the area (including a gust of 71 km / h at Dulles), many trees fell, electricity was cut off at several hundred thousand customers and many school systems have been closed. Overall, winds will blow about 10 mph less for this event, with typical gusts ranging from 40 to 50 mph rather than 50 to 60 mph.

The National Weather Service issued the following warnings and warnings against the wind until Monday:

  • An initial wind warning from 15h to 22h Sunday, sustained winds blowing up to 20 to 30 mph and bursts to 50 mph for most of the region.
  • A second wind report from 4am to 1pm Monday for sustained winds of up to 25 to 35mph and gusts to 50mph for most of the region.
  • A strong wind warning until 1 pm Monday for sustained winds reaching 30 to 40 mph and gusts to 60 mph for northern Maryland.

During the night, from 10 pm Sunday to 4 am Monday, no notice is in force for most of the region, but gusts of up to 40 mph are possible.

If you know that trees are dying or at risk of falling, consider sleeping at the lowest level on Sunday night as a precaution. Also think about where you park your car and if it is near a tree that could fall on it.

The winds will blow first southwest Sunday afternoon, then west Sunday night and northwest Monday.

The storm responsible, a "cyclone bomb" because it has intensified explosively (the pressure has dropped 24 millibars in 24 hours), is the same one that brought the snow to Los Angeles and Las Vegas, three feet of snow in Flagstaff, Arizona., A snowstorm in the Upper Midwest and destructive tornadoes in the Southeast.

It generates a large area of ​​strong winds from the Great Lakes to the northeast, and Gusts of 50 mph or more are expected to affect more than 100 million people in the lower 48's. More than 95 million Americans are under the sign of the wind.

Already, there have been many reports of bursts over 60 mph in the eastern United States.

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