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TIMELINE: Ida's remnants rolling through, bringing heavy rain and damaging winds

Remnants of Ida will move across the DMV Wednesday through Thursday causing heavy rain.

WASHINGTON — What is left of Ida moved across the DMV Wednesday, bringing heavy rain, flash flooding and isolated tornadoes. A cold front nearby, along with remnants of Ida, increased the threat for heavy rain.

The National Weather Service issued a Flash Flood Watch until 8 a.m. Thursday morning for the entire DMV, and a Wind Advisory for northwestern Maryland until 11 p.m.

More rounds of rain and storms move into the area this evening. The tornado threat was most imminent this afternoon and will be ending early this evening.

A Tornado Watch covered D.C. and points east until 7 p.m. Wednesday.

RELATED: Ida remnants latest: Tornadoes touch down in Maryland, watch continues across DMV

Quick Facts:

  • What's left of Ida will move across the DMV Wednesday through Thursday
  • The primary impact will be heavy rain and flooding
  • There is also the threat of isolated tornadoes.
  • A Flash Flood Watch has been issued for the entire DMV
  • 2 - 4" of rain will be possible, with isolated 6" amounts possible
Credit: WUSA
Credit: tt

RELATED: Hurricane Ida lashes Louisiana, knocks out New Orleans power


(Wednesday all day into Thursday morning.)


Now to 8 p.m. -- More showers and storms will move through the D.C. area from the west. These will bring the potential for heavy rain which could lead to flash flooding. Although we'll watch for rotating storms, the greater tornado threat was issued earlier this afternoon and ended at 7 p.m.

8 p.m. to midnight -- Storms with heavy downpours continue mainly east of D.C., flooding may still be ongoing. A strong storm is still possible, but the heavy rain threat is more significant.


Midnight to 6 a.m. --  Showers move out of the DMV quickly. The morning commute may see damp roads and closures, but rain will no longer be falling. Flooding will still be ongoing in some parts of the DMV. 

Here is the GFS rainfall prediction:

Credit: WUSA 9
Model rain forecast through Thursday morning. GFS model.

Here is the NAM rainfall prediction:

Credit: WUSA 9
Model rain forecast through Thursday morning. NAM model.

Here is our thinking:

Credit: tt


Flooding is the primary threat to the system. Roads could be washed out. Creeks and streams will spill out of their banks and flood nearby neighborhoods. 

RELATED: Severe storms cause flooded roads, school closings & heavy downpours. Here's the latest

Please do not attempt to cross a flooded road. It's impossible to estimate how deep the water is since the ground may have given out under the floodwaters. 

Here are some flash flood facts to keep in mind: 


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