51
Recorded events
0
Direct deaths
0
Direct injuries
$2.8M
Property damage
Flood in Carroll County, New Hampshire: 51 recorded events between 2006 and 2026. The strongest on record measured 0. That places the county #233 nationally and #3 statewide for this hazard.
Decade by decade
Flood in Carroll County, New Hampshire: events per decade
Reporting practice changed over time — early decades are undercounted, not calmer.
The busiest decade for flood in Carroll County is the 2010s, when 25 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 Carroll County archive, flood makes up 12.6% of all recorded severe weather across 7 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
Dec is the peak month for flood in Carroll County with 14 recorded events, while Feb 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 |
|---|---|---|---|
| Mar 17, 2026 | CONWAY | — | $0 |
| Dec 18, 2023 | INTERVALE | 0 | $0 |
| Dec 18, 2023 | SANBORNVILLE | 0 | $0 |
| Dec 18, 2023 | NORTH CHATHAM | 0 | $0 |
| Dec 18, 2023 | EFFINGHAM FALLS | 0 | $0 |
| Dec 18, 2023 | SAWYER STATION | 0 | $0 |
| Jul 16, 2023 | NORTH CONWAY | 0 | $0 |
| Jul 11, 2023 | NORTH CONWAY | 0 | $0 |
| May 1, 2023 | CENTER OSSIPEE | 0 | $0 |
| May 1, 2023 | CONWAY | 0 | $0 |
Other hazards here
More from Carroll County
- Thunderstorm Wind 191
- Hail 91
From the record
What the reports say
Written by National Weather Service staff at the time of the event · public domain
A strong storm system brought widespread moderate to heavy rain with added upslope enhancement in the White Mountains. The storm total water in the Upper Saco watershed was between 3 to 4 inches of rainfall. Some nearby rainfall reports include 4.41 in Jackson, 3.82 in Intervale, and 3.57 in Brookfield. The Saco River at Conway came out of banks exceeding flood stage 9.0 feet during the early afternoon of the 14th, and crested at 10.22 feet. Floodwaters surrounded properties across Transvale Acres in Conway. Flood waters were 1 to 2 feet deep in sections of east bank camping areas.
The Saco River came out of banks on May 1st that caused significant flooding to several camps and campgrounds between Conway and Bartlett. The flooding significantly impacted travel in and out of the area due to closed roads. Flooding started on the upper portion of the West Side Road with minor property inundation. The floodwater moved downstream causing significant damage to area campgrounds in North Conway and backwater on the Ellis River. In North Conway a section of West Side Road flooded, cutting off access to several homes. River Road flooded on the west bank of the Saco River flooding agricultural lands. Floodwaters inundated first floors of properties in Transvale Acres. Moat Brook Road flooded cutting off seasonal camps. Widespread agricultural flooding occurred between Conway and Fryberg. The river levels were at the bridge deck of the Saco River Covered Bridge in Conway. The USGS river gage in Conway crested at a 13.6 feet, exceeding the 9 foot flood stage by 4.6 feet.
Strong low pressure moved north up the spine of the Appalachians and to the west of New Hampshire resulting in 2 to 3 inches of rain on partially frozen ground. Warm temperatures brought snowmelt which led to additional runoff. The Saco River crested at minor flood stage on December 26th at 11 ft. The minor flood stage is 9 ft in Conway. No significant impacts were reported with minor lowland flooding.
Quick answers
Frequently asked
How many flood events are on record in Carroll County, New Hampshire?
51 flood events are recorded in Carroll County between 2006 and 2026, causing 0 direct deaths.
What is the strongest flood recorded in Carroll County?
The strongest flood on record in Carroll County measured 0.
Where does the flood data for Carroll 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 Carroll County, New Hampshire.” Severe Weather History. severeweatherhistory.com/county/new-hampshire/carroll-county/flood/ · Data: NOAA/NCEI, FEMA, U.S. Census — public domain.