01 / YEAR-BY-YEAR
Flash Flood in Merrimack reports by year
NOAA recorded 12 Flash Flood in Merrimack reports across the ten complete years from 2016 through 2025.
EVENT FILE / 33013MINIMUM 5 REPORTS
MERRIMACK · NH
Flash Flood history
NOAA recorded 12 county-coded Flash Flood reports in Merrimack, NH, from 2016 through 2025, with 0 reported injuries, 0 reported fatalities, and $90K in filed damage.
Source: NOAA Storm Events details table · Complete years 2016–2025 · Compiled 16 Sep 2026
Reports12NOAA county-coded rows
Population context7.7per 100,000 residents · 2024 ACS denominator 155,967
Injuries0direct + indirect fields
Fatalities0direct + indirect fields
How to read the count
12 reports in ten years does not mean a 1.2-event annual forecast. Reporting units, event segmentation, coverage, and local exposure all affect the count.
03 / RECORDED CONSEQUENCES
Recorded impacts for Flash Flood in Merrimack
The Flash Flood in Merrimack records contain 0 injuries, 0 fatalities, $90K in property damage, and $0 in crop damage.
Damage estimates are nominal values as filed by the reporting source and retained by NOAA.
Property damage$90Knot inflation-adjusted
Crop damage$0not inflation-adjusted
First report year2,018within selected window
Latest report year2,025within selected window
04 / RECENT ROW SAMPLE
Latest Flash Flood in Merrimack source records
NOAA supplied 8 recent Flash Flood in Merrimack source rows with dates, event IDs, report sources, magnitude fields, and filed damage.
Up to eight latest rows are shown for auditability. Open NOAA for complete narratives and revisions.
| Date | Event ID | Source | Magnitude / scale | Filed damage |
|---|---|---|---|---|
| 2025-06-06 | NOAA 1,252,490 | Department of Highways | — | $0 |
| 2023-07-29 | NOAA 1,124,064 | Fire Department/Rescue | — | $0 |
| 2023-07-16 | NOAA 1,123,750 | Fire Department/Rescue | — | $0 |
| 2023-07-16 | NOAA 1,123,744 | Fire Department/Rescue | — | $0 |
| 2023-07-08 | NOAA 1,123,650 | Public | — | $0 |
| 2023-06-28 | NOAA 1,112,605 | Law Enforcement | — | $0 |
| 2021-07-29 | NOAA 976,181 | Emergency Manager | — | $35K |
| 2021-07-29 | NOAA 976,180 | Emergency Manager | — | $20K |