Virginia, 2010

Flash Flood in Virginia, October 27, 2010

October 27, 2010 · NWS LWX · 1 event in 1 county or zone

A southerly flow around high pressure off the East Coast led to an unusually warm and humid air mass for this time of the year. The warm and humid air combined with an approaching cold front to trigger showers and thunderstorms.

Where it happened

Every event with a place to put it. Tap one for its entry below.

  • Tornadoes
  • Tropical storms and surge
  • Floods
  • Wind
  • Hail
  • Winter weather
  • Heat and drought
  • Cold
  • Fire, smoke and dust
  • Marine and coastal
  • Other

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The toll

Deaths
0
Injuries
0
Property damage
None recorded
Crop damage
None recorded
Events
1

Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.

What happened

The episode as NWS LWX wrote it up.

A southerly flow around high pressure off the East Coast led to an unusually warm and humid air mass for this time of the year. The warm and humid air combined with an approaching cold front to trigger showers and thunderstorms. Heavier showers and thunderstorms produced large amounts of rain in a short period of time.

The radar

The Sterling radar (KLWX), 25 km away, was scanning. The volume nearest the first event began at 16:51 UTC.

Open the radar archive at this moment

Event by event

1 flash flood. Local standard time, as filed.

Flash Flood, Fairfax

When
October 27, 11:50 AM EST to 2:00 PM EST
Where
Fairfax County, 1.31 mi N of Ilda to 0.93 mi W of Tremont
Cause
Heavy Rain
Reported by
Emergency Manager
Coordinates
38.849, -77.248

Prosperity Avenue was closed due to flash flooding between the 3700 and 3800 Blocks.

What these are

Flash Flood
Flooding that begins within six hours of the rain that causes it, or of a dam or levee failure or ice jam release, often with deadly speed.

After NWS Directive 10-1605, the rules offices file Storm Data by.

The same day elsewhere

More

Every storm in Virginia in 2010Every state in 2010This day in weather historyWarnings in Virginia, October 2010

Sources

NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-10-01. Each event’s entry at NCEI: 264083.