Updated 11:55 a.m. — The National Weather Service placed Fairfax County under a Tropical Storm Warning shortly after 11 a.m. today. “A Tropical Storm Warning means tropical storm-force winds are expected somewhere within this area within the next 36 hours,” according to NWS.
Earlier: As Tropical Storm Isaias hits the East Coast, forecasters warn that the Tysons area could see flash flooding early this week.
The Tysons area will be under a Flash Flood Watch from 11 p.m. tonight to the same time Tuesday night. “Moderate coastal flooding is possible at times of high tide Tuesday as Tropical Storm Isaias makes its closest approach to the area,” the National Weather Service said.
NWS says that widespread rainfall between 3-6 inches is expected, with possibly more in certain areas.
A Coastal Flood Watch will also be in effect from Tuesday morning to Wednesday.
“Rainfall associated with Tropical Storm Isaias is expected to start spreading northward late Monday night and continue into Tuesday evening,” according to NWS.
Forecasters encourage people to protect flood-prone property as soon as possible and monitor the weather. People should not attempt to drive through water if they don’t know how deep it is.
A Tropical Storm Warning has been issued for southern Maryland and nearby waters. A Tropical Storm Watch is in effect for other areas along and east of I-95. A Flash Flood Watch is in effect this evening through Tuesday evening. See https://t.co/5RyZgoXicj for further details. pic.twitter.com/keywY8cceB
— NWS Baltimore-Washington (@NWS_BaltWash) August 3, 2020