Avoid the subject event as per the instructions
Baltimore/Washington – MD, US, National Weather Service
…FLASH FLOOD WATCH IN EFFECT FROM LATE TONIGHT THROUGH FRIDAY MORNING…
The National Weather Service in Sterling Virginia has issued a
Flash Flood Watch for portions of DC, central Maryland and Virginia, including the following areas: in DC, District of Columbia. In central Maryland, Central and Southeast Montgomery, Northwest Montgomery and Prince Georges. In Virginia, Albemarle, Arlington/Falls Church/Alexandria, Central Virginia Blue Ridge, Culpeper, Eastern Loudoun, Fairfax, Greene, Madison, Nelson, Northern Fauquier, Northern Virginia Blue Ridge, Orange, Prince William/Manassas/Manassas Park, Rappahannock, Southern Fauquier, Spotsylvania, Stafford and Western Loudoun.
From 2 AM EDT Friday through Friday morning.
Scattered to numerous showers and thunderstorms are expected. Although isolated thunderstorms capable of heavy rain are possible this evening near and southwest of the DC metro area, the bulk of the threat is expected to be overnight into Friday morning. Thunderstorms may be capable of producing heavy rainfall of 1 to 2 inches per hour.
Heavy rainfall may result in rapid rises on streams, creeks, and in urban and poor drainage areas. This will especially be the case where repetitive or persistent thunderstorm activity occurs.
You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued.