Update at 11:05 p.m. — A Flood Warning has now been issued for Arlington.
1057 PM EST WED NOV 11 2020
THE NATIONAL WEATHER SERVICE IN STERLING VIRGINIA HAS ISSUED A
* FLOOD WARNING…
* UNTIL 500 AM EST THURSDAY.
* AT 1057 PM EST, DOPPLER RADAR INDICATED HEAVY RAIN. FLOODING IS ONGOING OR EXPECTED TO BEGIN SHORTLY IN THE WARNED AREA. UP TO AN OF RAIN HAS FALLEN THIS EVENING.
ADDITIONAL RAINFALL AMOUNTS OF 1 TO 2 INCHES ARE POSSIBLE IN THE WARNED AREA.
PRECAUTIONARY/PREPAREDNESS ACTIONS…
A FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING. ALL INTERESTED PARTIES SHOULD TAKE NECESSARY PRECAUTIONS IMMEDIATELY.
TURN AROUND, DON’T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD DEATHS OCCUR IN VEHICLES.
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOODING.
11:10pm – Sustained moderate to heavy rain continues to move across the area. Multiple flood warnings have been issued and more are possible. Use extreme caution if traveling tonight, and remain aware if you are in a flood prone area. More: https://t.co/5RyZgpeTAT pic.twitter.com/82poVvgoGw
— NWS Baltimore-Washington (@NWS_BaltWash) November 12, 2020
Earlier: Arlington, D.C. and other surrounding areas will be under a Flash Flood Watch tonight through Thursday morning.
Forecasters say heavy rain and even some thunderstorms are likely to roll through tonight, bringing the possibility of flash flooding. Some 2-4 inches of rain are expected.
More from the National Weather Service:
…FLASH FLOOD WATCH IN EFFECT FROM 9 PM EST THIS EVENING THROUGH THURSDAY MORNING…
THE NATIONAL WEATHER SERVICE IN STERLING VIRGINIA HAS ISSUED A
* FLASH FLOOD WATCH…
* FROM 9 PM EST THIS EVENING THROUGH THURSDAY MORNING
* SEVERAL ROUNDS OF MODERATE TO HEAVY RAINFALL, WITH A FEW EMBEDDED THUNDERSTORMS POSSIBLE, ARE EXPECTED TO PERSIST THROUGH THURSDAY MORNING. THE FIRST ROUND IS ONGOING, WITH A LULL EXPECTED LATER THIS AFTERNOON. THE SECOND ROUND COMES THIS EVENING THROUGH TONIGHT, WITH MORE MODERATE TO HEAVY RAINFALL EXPECTED. STORM TOTAL RAINFALL OF 2-4 INCHES IS EXPECTED THROUGH THURSDAY. WHERE HEAVIER ELEMENTS PERSIST, WE COULD SEE LOCALLY HIGHER AMOUNTS. THIS COULD RESULT IN LOCALIZED INSTANCES OF FLASH FLOODING.
PRECAUTIONARY/PREPAREDNESS ACTIONS…
A FLASH FLOOD WATCH MEANS THAT CONDITIONS MAY DEVELOP THAT LEAD TO FLASH FLOODING. FLASH FLOODING IS A VERY DANGEROUS SITUATION. YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION SHOULD FLASH FLOOD WARNINGS BE ISSUED.
Areas of moderate to heavy rain beginning to overspread much of the region. A lull expected after this first round later today, then more moderate to heavy rain moves in this evening/tonight. #DCwx #MDwx #VAwx #WVwx pic.twitter.com/jG8RwPQ4i9
— NWS Baltimore-Washington (@NWS_BaltWash) November 11, 2020
A Flash Flood Watch is in effect for tonight through late Thursday morning. The first segment will be across most of central VA before expanding to the second segment in northern VA, DC metro and southern MD late tonight as these heavier bands progress through our area. pic.twitter.com/ZfEqtkSogW
— NWS Baltimore-Washington (@NWS_BaltWash) November 11, 2020