Severe Weather History


Hazard archive · 1950 — present

Flash Flood in Essex County, Massachusetts

55

Recorded events

0

Direct deaths

0

Direct injuries

$19.9M

Property damage

Flash Flood in Essex County, Massachusetts: 55 recorded events between 1996 and 2025. The strongest on record measured 0. That places the county #534 nationally and #5 statewide for this hazard.

Decade by decade

Flash Flood in Essex County, Massachusetts: events per decade

Flash Flood in Essex County, Massachusetts: recorded events per decade
Flash Flood in Essex County, Massachusetts: recorded events per decade

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

The busiest decade for flash flood in Essex County is the 2010s, when 30 of the county's 55 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 Essex County archive, flash flood makes up 8.3% of all recorded severe weather across 11 hazard types. Nationally the county sits at #534 for this hazard and #5 within Massachusetts, putting it in the 82.5 percentile of all U.S. counties.

Seasonality

Events by month

0Jan
0Feb
1Mar
1Apr
0May
7Jun
11Jul
11Aug
10Sep
14Oct
0Nov
0Dec

Oct is the peak month for flash flood in Essex County with 14 recorded events, while Jan 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
Aug 14, 2025SOUTH LAWRENCE0$0
Aug 13, 2025TOPSFIELD0$0
Aug 18, 2023NEWBURY0$0
Aug 18, 2023ANDOVER0$0
Aug 18, 2023ANDOVER0$0
Aug 8, 2023NORTH ANDOVER0$0
Jul 30, 2023LYNN0$0
Jul 16, 2023LYNNFIELD0$0
Jun 8, 2021WARD HILL0$20K
Jul 23, 2020LAWRENCE0$0
Source: NOAA/NCEI Storm Events · dates UTC · recent entries may be preliminary

Other hazards here

More from Essex County

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 Essex County, Massachusetts?

55 flash flood events are recorded in Essex County between 1996 and 2025, causing 0 direct deaths.

What is the strongest flash flood recorded in Essex County?

The strongest flash flood on record in Essex County measured 0.

Where does the flash flood data for Essex County 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 Essex County, Massachusetts.” Severe Weather History. severeweatherhistory.com/county/massachusetts/essex-county/flash-flood/ · Data: NOAA/NCEI, FEMA, U.S. Census — public domain.


Historical reference only — for official alerts visit weather.gov