New Hampshire, 2018

Flood in New Hampshire, February 21 to 23, 2018

February 21 to 23, 2018 · NWS GYX · 1 event in 1 county or zone

Unseasonably warm temperatures caused rapid snowmelt and a ice jam on the Connecticut River at North Stratford. Only minor flooding occurred over the course of several days.

Where it happened

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The toll

Deaths
0
Injuries
0
Property damage
None recorded
Crop damage
None recorded
Events
1

Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.

What happened

The episode as NWS GYX wrote it up.

Unseasonably warm temperatures caused rapid snowmelt and a ice jam on the Connecticut River at North Stratford. Only minor flooding occurred over the course of several days.

The radar

The national radar mosaic for the moment the first event began.

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Event by event

1 flood. Local standard time, as filed.

Flood, Coos

When
February 21, 9:45 PM EST to February 23, 4:15 AM EST
Where
Coos County, North Stratford to 0.47 mi SW of North Stratford
Cause
Ice Jam
Reported by
Official NWS Observations
Coordinates
44.750, -71.620

Rapid snow melt caused an ice jam and minor flooding on the Connecticut River at North Stratford (flood stage 13 ft), which crested at 13.41 ft.

What these are

Flood
Flooding that develops more slowly than a flash flood: rivers leaving their banks, or water standing over land for an extended time.

After NWS Directive 10-1605, the rules offices file Storm Data by.

The same day elsewhere

More

Every storm in New Hampshire in 2018Every state in 2018This day in weather historyWarnings in New Hampshire, February 2018

Sources

NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-10-01. Each event’s entry at NCEI: 738851.