Severe Weather History


Hazard archive · 1950 — present

Flash Flood in Roanoke city, Virginia

48

Recorded events

0

Direct deaths

0

Direct injuries

$1.9M

Property damage

Flash Flood in Roanoke city, Virginia: 48 recorded events between 1997 and 2023. The strongest on record measured 0. That places the county #639 nationally and #29 statewide for this hazard.

Decade by decade

Flash Flood in Roanoke city, Virginia: events per decade

Flash Flood in Roanoke city, Virginia: recorded events per decade
Flash Flood in Roanoke city, Virginia: recorded events per decade

Reporting practice changed over time — early decades are undercounted, not calmer.

The busiest decade for flash flood in Roanoke city is the 2000s, when 29 of the county's 48 recorded events were logged. Comparing decades is useful for spotting active periods, but the earliest years are thin because systematic reporting for this hazard began later.

Within the Roanoke city archive, flash flood makes up 27.3% of all recorded severe weather across 8 hazard types. Nationally the county sits at #639 for this hazard and #29 within Virginia, putting it in the 78.8 percentile of all U.S. counties.

Seasonality

Events by month

2Jan
1Feb
1Mar
5Apr
4May
2Jun
17Jul
12Aug
3Sep
1Oct
0Nov
0Dec

Jul is the peak month for flash flood in Roanoke city with 17 recorded events, while Nov is the quietest. Seasonality here is a property of the archive as much as the climate: reports cluster where population and spotter networks are densest.

Most recent

Latest recorded events

DateLocationMagnitudeDamage
Jul 23, 2023ROANOKE0$0
Jul 23, 2023ROANOKE0$0
Jul 23, 2023ROANOKE0$0
Aug 20, 2021ROANOKE0$25K
May 4, 2021ROANOKE0$3K
Apr 13, 2020ROANOKE0$25K
Oct 11, 2018(ROA)WOODRUM FLD ROA0$100K
Sep 12, 2018CAVE SPG0$0
May 27, 2018CAVE SPG0$500K
May 17, 2018LESLIE0$0
Source: NOAA/NCEI Storm Events · dates UTC · recent entries may be preliminary

Other hazards here

More from Roanoke city

County overview →

From the record

What the reports say

Written by National Weather Service staff at the time of the event · public domain

Quick answers

Frequently asked

How many flash flood events are on record in Roanoke city, Virginia?

48 flash flood events are recorded in Roanoke city between 1997 and 2023, causing 0 direct deaths.

What is the strongest flash flood recorded in Roanoke city?

The strongest flash flood on record in Roanoke city measured 0.

Where does the flash flood data for Roanoke city come from?

All events come from the NOAA/NCEI Storm Events Database, the federal public-domain archive of severe weather reports. Dates are UTC, damage is as reported and not inflation-adjusted, and the most recent entries may still be revised.

Cite this page

“Flash Flood in Roanoke city, Virginia.” Severe Weather History. severeweatherhistory.com/county/virginia/roanoke-city/flash-flood/ · Data: NOAA/NCEI, FEMA, U.S. Census — public domain.


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