New Hampshire, 2002

Flooding in New Hampshire, April 13 to 20, 2002

April 13 to 20, 2002 · NWS GYX · 4 events in 4 counties and zones

Low pressure moving northeast from the Ohio Valley on the 13th brought 1 to 3 inches of rain to the northern part of the state. 4 ft at 12:15 am on the 16th.

Where it happened

Every event with a place to put it; 4 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.

  • Tornadoes
  • Tropical storms and surge
  • Floods
  • Wind
  • Hail
  • Winter weather
  • Heat and drought
  • Cold
  • Fire, smoke and dust
  • Marine and coastal
  • Other

Open the live radar over this ground

The toll

Deaths
0
Injuries
0
Property damage
None recorded
Crop damage
None recorded
Events
4

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.

Low pressure moving northeast from the Ohio Valley on the 13th brought 1 to 3 inches of rain to the northern part of the state. The heavy rain combined with snow melt to cause minor flooding along the Connecticut, Pemigewasset, and Saco Rivers.The Connecticut River at Dalton rose above the 17 ft flood stage at around 7 am on the 14th and remained above flood stage until 10:15 pm on the 20th, reaching a crest of 21.4 ft at 12:15 am on the 16th. At Wells River, the Connecticut River rose above the 11 ft flood stage at around 11 pm on the 14th and remained above flood stage until 4:45 pm on the 15th, reaching a crest of 11.2 ft at 11:30 am on the 15th. Additional rainfall on the 15th and continued snowmelt caused the Connecticut at Wells River to again rise above flood stage at 11:30 am on the 16th; the river remained above flood stage until 4:30 am on the 18th, reaching a crest of 12.3 ft at 11:15 pm on the 16th. At West Lebanon, the Connecticut River rose above the 18 ft flood stage at around 1 am on the 14th and remained above flood stage until 10:30 pm on the 14th, reaching a crest of 22.2 ft at 8:45 am on the 15th.The Saco River at North Conway rose above the 9 ft flood stage at around 4 am on the 14th and remained above flood stage until 7:45 pm on the 14th, reaching a crest of 11.5 ft at 11:30 am on the 14th.The Pemigewasset River at Woodstock rose above the 9 ft flood stage at around 9:30 pm on the 13th and remained above flood stage until 12:30 pm on the 14th, reaching a crest of 12.3 ft at 2:30 am on the 14th. At Plymouth, the Pemigewasset River rose above the 13 ft flood stage at around 6:45 am on the 14th and remained above flood stage until 10:15 pm on the 14th, reaching a crest of 15.4 ft at 1:00 pm on the 14th.

What forecasters said that day

The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Gray, ME wrote its last area forecast discussion before the first event at Apr 13, 7:57 PM EST, 33 minutes earlier.

Area forecast discussion, Apr 13, 7:57 PM EST, 33 minutes before
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The radar

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

Open the radar archive at this moment

Event by event

4 flood. Local standard time, as filed.

Flood, Northern Grafton

When
April 13, 8:30 PM EST to April 18, 4:30 AM EST
Where
Northern Grafton forecast zone
Reported by
OFFICIAL NWS OBS.
Coordinates
43.941, -71.820 (the zone’s center; the record gives no point)

Flood, Southern Grafton

When
April 14, 12:00 AM EST to April 16, 1:45 PM EST
Where
Southern Grafton forecast zone
Reported by
OFFICIAL NWS OBS.
Coordinates
43.941, -71.820 (the zone’s center; the record gives no point)

Flood, Northern Carroll

When
April 14, 3:00 AM EST to 6:45 PM EST
Where
Northern Carroll forecast zone
Reported by
OFFICIAL NWS OBS.
Coordinates
43.874, -71.203 (the zone’s center; the record gives no point)

Flood, Southern Coos

When
April 14, 6:00 AM EST to April 20, 9:15 PM EST
Where
Southern Coos forecast zone
Reported by
OFFICIAL NWS OBS.
Coordinates
44.690, -71.305 (the zone’s center; the record gives no point)

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 2002Every state in 2002This day in weather historyWarnings in New Hampshire, April 2002

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: 5293309, 5293311, 5293310, 5293308.