Isaias may unload over 4 inches of rain in D.C. area, with threat of 'significant' flooding Tuesday.
'Flash flood watch issued; tropical-storm-force wind gusts may occur in our eastern areas.
Tropical Storm Isaias, which is skirting the east coast of Florida, has become increasingly likely to deluge the Mid-Atlantic. Three to six inches of rain, with locally heavier amounts, are predicted by the National Weather Service, which has issued a flash flood watch for the region.
“This amount of rain is likely to result in significant flash flooding of small streams and creeks Monday night into Tuesday evening,” the National Weather Service office serving Washington and Baltimore wrote Sunday afternoon.
Low-lying, poor drainage areas will also be susceptible to flooding.
In addition to the rain, areas east of Interstate 95 — especially close to the Chesapeake Bay — may contend with tropical-storm-force wind gusts on Tuesday exceeding 40 mph for a time. The combination of wind and rain could cause downed trees and power outages.
The Weather Service has placed the entire region in an elevated-risk zone for “excessive rainfall” late Monday through Wednesday morning, while the Middle Atlantic River Forecast Center has highlighted the possibility of “significant” river flooding.'>>>
https://www.washingtonpost.com/weather/2020/08/02/washington-dc-isaias/?
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