Not only did the D.C. area have strong storms roll through the region yesterday (Photo Gallery) but also very heavy rainfall. I actually think we lucked out, as if the region had any clearing ahead of those storms, the line itself could have been worse. We could have also seen additional storms develop ahead of the line which would have been bad with the available shear. Lucky for us, it didn't happen.
- Storm Reports on Tuesday the 18th
Here is what the region did see. Above is the storm reports from the Storm Prediction Center. You can see the blob of blue directly over the D.C. area, which had numerous reports from the Sterling National Weather Service office. Throughout the day, there were 133 wind damage reports for the United States, most of which from the Mid Atlantic to the Northeast.
Rainfall was even heavier than predicted, with some locations recording over 4 inches of rain. On our WeatherBug Network, Myersville in Frederick County, MD received over 4 inches of rain, Purcellville in Virginia had 2.5, and locations around D.C. saw just over an inch.
- Drought Monitor as of Sept. 13
Did that rainfall help out the deficit across the area? Overall I would say it did. Portions of our region as you can see above are still in moderate to severe drought, with much of our region just being abnormally dry. Here's where some of the area airports stand as of Tuesday's precipitation climate data.
Reagan National Airport: -6.33" for the year
Dulles Airport: -8.44" for the year
BWI Thurgood Marshall: -5.84" for the year
Even with the area still down numerous inches of rain for the year, I am thinking the drought monitor will show the region a little more favorably than last Thursday from the recent rainfall. Improvements should continue as well shows the Climate Prediction Center map below.
- Drought Outlook