Most of the D.C. area was under either a flash flood watch or flash flood warning on Sunday, after heavy rains fell in the region. It rained for more than five hours in Howard County, leading to a flash flood emergency and a state of emergency declaration by the governor after a major flooding in Ellicott City.
WASHINGTON — The National Weather Service issued a flash flood watch for most of the D.C. area on Sunday, as well as flash flood warnings and emergencies for some counties in the D.C., Maryland and Virginia.
A flash flood warning means that flooding is imminent or occurring, and those in the area should move to higher ground.
A flash flood watch means that conditions may develop that lead to a flash flood. The watch took effect beginning at noon and is expected to expire at 2 a.m. Monday.
Showers and thunderstorms capable of heavy rain hit the D.C. area on Sunday afternoon.
Thunderstorms capable of producing locally heavy rain will be possible again today. A Flash Flood Watch has been issued for parts of the area. Be prepared to seek shelter if spending time outdoors. pic.twitter.com/IogNdot2zW
Some areas might see as much as 1 to 3 inches of rain.
“Besides heavy rain, I’m really worried about lightning as well,” Storm Team4 Lauryn Ricketts said. “I think there is going to be a lot of lightning associated with these storms and with the number of people outside for today and all the festivities going on, that really concerns me.”
“Do not try to seek shelter outdoors, especially with any open tent or under any trees,” she said. “Try to get inside. Even if your car is an available option, that’s where you want to be with the windows up.”
Monday should be a bit drier however there is still a 30 percent chance for some showers and isolated storms. Overall, the weather on Monday should be partly sunny and noticeably cooler with highs in the upper 70s and lower 80s.
Showers and thunderstorms capable of heavy rain hit the D.C. area on Sunday afternoon beginning at around 2 p.m.
If you are headed outside-keep an eye to the sky after 2p! We have severe weather possible w/ heavy downpours/lots of lightning. If you are headed to the pool, the earlier the better. You might want to have a backup plan as well for any outdoor parties! pic.twitter.com/UzeLy1tZ8Q