Late arriving Sunday rains produce wide range of totals through D.C. metro region


Sunday’s rainfall amounts reported through the Community Collaborative Rain, Hail and Snow Network.

Some select totals:

Airports

Reagan National Airport: 1.37”
Dulles: 0.08”
BWI: 0.65”

Keep reading for totals from locations in Virginia and Maryland and some dramatic lightning video.


Doppler indicated rainfall estimate for Sunday shows the large variability in precipitation, with amounts trending higher to the north and northeast.

Maryland

Frederick: 0.55”
Waldorf: 0.57”
Camp Springs: 0.57”
Severna Park: 0.76”
Wheaton-Glenmont: 1.02”
Columbia: 1.11”
Rockville: 2.04”
Laurel: 2.7”
Damascus: 2.72”
College Park: 2.82”

Virginia

Woodbridge: 0.09”
Herndon: 0.24”
Fairfax: 0.25”
Vienna: 0.28”
McLean: 0.5”
Leesburg: 0.77”

North and east of the metro region, some very impressive totals were logged. Baltimore City received 3.21” and Ocean City, 4.4” (enough to flood coastal highway - picture)

Lightning

Several of our Facebook followers noted the intensity/frequency of not only the rain, but also the lightning from last night’s storms.

Here’s one report from Kenneth James in Old Town, Alexandria: “Oh and this lightning, it was INCREDIBLE. Nonstop for well over an hour.”

Check out this video from New Market in Frederick county, Maryland:

Description: A spectacular electrical storm lit up the sky over New Market, Md., on Sunday night as part of a weather front that left thousands in the area without power.

How was the forecast?

Not bad. Not great. We correctly identified the potential for heavy rain and emphasized there would be lulls in the activity and large variability. We also mentioned greater amounts would tend to be north which beared out. But, having said that, rainfall was less than forecast for locations to the west and southwest of the Beltway which only got around 0.1”. The other problem with our forecast was that Sunday afternoon turned out a lot nicer than we anticipated as the soaking rains arrived after 7 or 8 p.m.

Jason is currently the Washington Post’s weather editor. A native Washingtonian, Jason has been a weather enthusiast since age 10.
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