From the ABC 7 Weather team

D.C. Area Flooding: Rainfall totals and statistics

May 16, 2014 - 02:21 PM
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Heavy rain caused flooded roadways and major travel disruptions into Friday morning.

Flooding in Old Town Alexandria, May 16, 2014. (Photo: Jeff Goldberg/WJLA)

A widespread 2 to 5 inches of rain fell across the D.C. area Thursday into Friday, making for widespread flooding conditions closing roads all over the region and even cancelling schools in the western part of the area.

Numerous flood warnings remain through this evening for small streams and urban areas, and river flood warnings remain through the weekend. Here's a look at some of our top rainfall totals from our WeatherBug Network (Thanks for finding these Mr. van de Graaff!).

1.) Leesburg: 4.25”
2.) Germantown: 4:20”
3.) Oakton: 4.18”
4.) Ashburn: 4.10”
5.) Frederick: 4.04”
6.) Springfield: 3.81”
7.) Woodbridge 3.32”
8.) Alexandria 2.96”
9.) DC (Children’s) 2.78”
10.) Culpeper 2.53”
11.) Indian Head 2.5”
12.) Arlington 2.48”
13.) Bowie 2.3”
14.) Huntingtown 0.70”

The Public Information Statement from the National Weather Service contains even more reports from the event. Both Dulles and Reagan National broke daily rainfall records today, each receiving more than 2 inches of rain for the day.

This is the second heavy rain producing system in the past few weeks. The last occurred at the end of April, dropping 2 to 5 inches of rain as well. Take a look at the graphic below, showing the rain over the past event, the month of May and the total accumulated from April 25th.

Just for comparison sake, Los Angeles and San Diego in California have COMBINED for less than 8 inches of rain the entire year, so our region has seen more in the past 22 days then they have in 2014.

Our region is currently running about 6 to 7 inches above average for our yearly precipitation. The current forecast keeps steady rain out of the picture until later next week.

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