51
Recorded events
0
Direct deaths
0
Direct injuries
$3.7M
Property damage
Flood in Coos County, New Hampshire: 51 recorded events between 1996 and 2023. The strongest on record measured 0. That places the county #233 nationally and #3 statewide for this hazard.
Decade by decade
Flood in Coos County, New Hampshire: events per decade
Reporting practice changed over time — early decades are undercounted, not calmer.
The busiest decade for flood in Coos County is the 2010s, when 43 of the county's 51 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 Coos County archive, flood makes up 14.0% of all recorded severe weather across 8 hazard types. Nationally the county sits at #233 for this hazard and #3 within New Hampshire, putting it in the 91.9 percentile of all U.S. counties.
Seasonality
Events by month
Apr is the peak month for flood in Coos County with 29 recorded events, while Jun 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
| Date | Location | Magnitude | Damage |
|---|---|---|---|
| Dec 18, 2023 | BERLIN | 0 | $300K |
| Dec 18, 2023 | ERROL | 0 | $0 |
| Jul 11, 2023 | WHITEFIELD | 0 | $0 |
| Oct 14, 2022 | WILLEY HOUSE | 0 | $5K |
| May 11, 2019 | GORHAM | 0 | $0 |
| Apr 27, 2019 | GORHAM | 0 | $0 |
| Apr 20, 2019 | GORHAM | 0 | $0 |
| Apr 20, 2019 | DALTON | 0 | $30K |
| Apr 20, 2019 | STRATFORD | 0 | $0 |
| Apr 15, 2019 | DALTON | 0 | $0 |
Other hazards here
More from Coos County
- Thunderstorm Wind 175
- Hail 62
- Flash Flood 60
From the record
What the reports say
Written by National Weather Service staff at the time of the event · public domain
Heavy rain combined with snowmelt caused significant runoff from the Presidential Mountain Range including portions of the Androscoggin River in Gorham. Thanks in part to dam controls on this portion of the Androscoggin River, the river only reached minor flood stage. The river gage at Gorham cresting at 8.7 feet on the 19th. However, further downstream from Shelburne to Bethel the flooding was major due to additional contributions from the surrounding mountains. In Gorham, the river flooded parking lots of businesses on Main Street. A combination of the Androscoggin River, Moose River, Moose Brook, and Peabody Rivers caused severe flooding of the Androscoggin Valley Country Club grounds. In Shelburne, several roads were flooded including US Route 2 at Route 16 and North Road. North Road flooded up to Philbrook Farm Inn between Meadow Road and Larry Brook Road. In addition, the bridge was flooded by the Shelburne Dam. Upriver the flooding was limited to Berlin City's Pollution Control Plant which sustained damage to pipes releasing effluent into the river.
Heavy rainfall during the early morning of the 14th resulted in road damage in the White Mountain region. There were two places that had erosion on Jefferson Notch Road, west of Mt Jefferson. There are two places that were eroded on Pinkham B Road in Randolph. Rainfall observations from the area were Jackson 4.41���, Intervale 3.82���, Brookfield 3.57���, North Conway 3.43���, Berlin 2.95���.
Melting snow combined with an inch of rainfall resulting in minor flooding on the Connecticut River at North Stratford (flood stage 13.0 ft), which crested at 13.36 ft. Lamoureux Road in Vermont and Maidstone Bridge Road in Stratford were flooded.
Quick answers
Frequently asked
How many flood events are on record in Coos County, New Hampshire?
51 flood events are recorded in Coos County between 1996 and 2023, causing 0 direct deaths.
What is the strongest flood recorded in Coos County?
The strongest flood on record in Coos County measured 0.
Where does the flood data for Coos 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
“Flood in Coos County, New Hampshire.” Severe Weather History. severeweatherhistory.com/county/new-hampshire/coos-county/flood/ · Data: NOAA/NCEI, FEMA, U.S. Census — public domain.