WASHINGTON – The National Weather Service issued a flash flood clock for the DC area, which began at 11 am on Saturday
The clock will be in effect until 2 pm on Sunday.
Heavy rain is expected to fall In the afternoon into the evening there should still be two to four inches of rain, said the weather service.
A fall-out vigil means that conditions can develop that lead to flash floods. Urban areas, locations along small streams and streams, and poor drainage areas are most prone to flash floods.
A coastal inundation recommendation also applies until 6 pm. for the Coastline in DC
The National Weather Service said shore floods are expected along parts of the seawall adjacent to Ohio Drive and Hains Point Loop Road near the Tidal Basin and Jefferson Memorial.
Slight Flooding to One Foot
Saturday rain is expected to be the beginning of an "ugly" weather that will take place over the DC region this weekend, bringing rainstorms and thunderstorms up to a week each day.
"We are between a barrier pattern with a high pressure area in the Midwest and another strong in the Western Atlantic," said Storm Team 4 meteorologist Lauryn Ricketts.
"This means that with a trough about to move with nowhere parked, we are seeing daily rainfall chances at least until Thursday."
Ricketts said that another area of low pressure pulling out of the Ohio Valley means that on Sunday it will not give much offense e ither.
"While it will rain all day Sunday, Sunday will also be our best chance for a few isolated storms," Ricketts said. "We could have some sunbeams, but it does not look like a good pool day."
The coming rain is a sharp change in the weather for this month. On July 1
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Jack Moore of WTOP contributed to this report .
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