New Hampshire, 2018Flooding in New Hampshire, December 21 to 22, 2018
December 21 to 22, 2018 · NWS GYX · 2 events in 1 county or zone
5 to 3 inches of rain across New Hampshire and western Maine. This resulted in minor flooding due to an ice jam on the Pemigewasset River at Woodstock and minor flooding at Plymouth.
Every event with a place to put it. 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
- Deaths
- 0
- Injuries
- 0
- Property damage
- None recorded
- Crop damage
- None recorded
- Events
- 2
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.
Low pressure moving up the Appalachian Mountains produced 1.5 to 3 inches of rain across New Hampshire and western Maine. This resulted in minor flooding due to an ice jam on the Pemigewasset River at Woodstock and minor flooding at Plymouth.
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 Dec 21, 4:02 PM EST, 3 hours 12 minutes earlier.
Area forecast discussion, Dec 21, 4:02 PM EST, 3 hours 12 minutes before
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</html>Hazardous weather outlook, Dec 21, 10:07 AM EST, 9 hours 7 minutes before
Hazardous Weather Outlook...UPDATED
National Weather Service Gray ME
1007 AM EST Fri Dec 21 2018
MEZ012>014-018>021-NHZ001-004>013-015-221515-
Southern Oxford-Southern Franklin-Southern Somerset-Interior York-
Interior Cumberland-Androscoggin-Kennebec-Northern Coos-
Northern Carroll-Southern Grafton-Southern Carroll-Sullivan-
Merrimack-Belknap-Strafford-Cheshire-Eastern Hillsborough-
Interior Rockingham-Western And Central Hillsborough-
1007 AM EST Fri Dec 21 2018
...FLOOD WATCH IN EFFECT THROUGH SATURDAY AFTERNOON...
This Hazardous Weather Outlook is for Maine, south central Maine,
southwest Maine, western Maine, New Hampshire, central New
Hampshire, northern New Hampshire and southern New Hampshire.
.DAY ONE...Today and Tonight.
Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.
Flood Watch.
.DAYS TWO THROUGH SEVEN...Saturday through Thursday.
Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.
Flood Watch.
.SPOTTER INFORMATION STATEMENT...
Weather spotters are encouraged to report significant weather
conditions according to Standard Operating Procedures.
MEZ022>028-NHZ014-221515-
Interior Waldo-Coastal York-Coastal Cumberland-Sagadahoc-Lincoln-
Knox-Coastal Waldo-Coastal Rockingham-
1007 AM EST Fri Dec 21 2018
...FLOOD WATCH IN EFFECT THROUGH SATURDAY AFTERNOON...
...WIND ADVISORY IN EFFECT FROM 4 PM THIS AFTERNOON TO 4 AM EST
SATURDAY...
This Hazardous Weather Outlook is for south central Maine,
southwest Maine and southern New Hampshire.
.DAY ONE...Today and Tonight.
Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.
Flood Watch.
Wind Advisory.
.DAYS TWO THROUGH SEVEN...Saturday through Thursday.
Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.
Flood Watch.
.SPOTTER INFORMATION STATEMENT...
Weather spotters are encouraged to report significant weather
conditions according to Standard Operating Procedures.
NHZ002-003-221515-
Southern Coos-Northern Grafton-
1007 AM EST Fri Dec 21 2018
...WIND ADVISORY IN EFFECT UNTIL 7 PM EST THIS EVENING...
...FLOOD WATCH IN EFFECT THROUGH SATURDAY AFTERNOON...
This Hazardous Weather Outlook is for northern New Hampshire.
.DAY ONE...Today and Tonight.
Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.
Flood Watch.
Wind Advisory.
.DAYS TWO THROUGH SEVEN...Saturday through Thursday.
Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.
Flood Watch.
.SPOTTER INFORMATION STATEMENT...
Weather spotters are encouraged to report significant weather
conditions according to Standard Operating Procedures.
MEZ007>009-221515-
Northern Oxford-Northern Franklin-Central Somerset-
1007 AM EST Fri Dec 21 2018
This Hazardous Weather Outlook is for west central Maine and
western Maine.
.DAY ONE...Today and Tonight.
Hazardous weather is not expected at this time.
.DAYS TWO THROUGH SEVEN...Saturday through Thursday.
Hazardous weather is not expected at this time.
.SPOTTER INFORMATION STATEMENT...
Spotter activation is not expected at this time.
ANZ150>154-221515-
Coastal Waters from Stonington, ME to Port Clyde, ME out 25 NM-
Penobscot Bay-
Coastal Waters from Port Clyde, ME to Cape Elizabeth, ME out 25 NM-
Casco Bay-
Coastal Waters from Cape Elizabeth, ME to Merrimack River, MA out
25 NM-
1007 AM EST Fri Dec 21 2018
...GALE WARNING IN EFFECT UNTIL 1 AM EST SATURDAY...
This Hazardous Weather Outlook is for Atlantic coastal waters.
.DAY ONE...Today and Tonight.
Please listen to NOAA Weather Radio or go to weather.gov on the
Internet for more information about the following hazards.
Gale Warning.
.DAYS TWO THROUGH SEVEN...Saturday through Thursday.
Hazardous weather is not expected at this time.
.SPOTTER INFORMATION STATEMENT...
Spotter activation is not expected at this time.
Flood, Grafton
- When
- December 21, 7:14 PM EST to December 22, 1:09 AM EST
- Where
- Grafton County, Woodstock to 0.72 mi W of Woodstock
- Cause
- Ice Jam
- Reported by
- Official NWS Observations
- Coordinates
- 43.980, -71.680
Low pressure moving up the east coast produced 1.5 to 3 inches of rain across New Hampshire resulting in an ice jam and minor flooding on the Pemigewasset River at Woodstock (flood stage 9.00 ft), which crested at 9.83 ft.
Flood, Grafton
- When
- December 21, 7:14 PM EST to December 22, 1:09 AM EST
- Where
- Grafton County, 0.86 mi NNW of Riverside Arpt to 1.04 mi NNW of Riverside Arpt
- Cause
- Ice Jam
- Reported by
- Official NWS Observations
- Coordinates
- 43.762, -71.683
Low pressure moving up the east coast produced 1.5 to 3 inches of rain across New Hampshire resulting in an ice jam and minor flooding on the Pemigewasset River at Plymouth (flood stage 13.00 ft), which crested at 13.04 ft.
- 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.
- Rip Current in Illinois, December 21, 20181 death · 1 injured · 1 event
- Flooding and High Wind in Massachusetts, December 21, 2018$47,000 · 72 kt wind · 11 events
- Strong Wind in New York, December 21, 2018$60,000 · 2 events
- Coastal Flood and Strong Wind in Florida, December 21, 2018$20,000 · 3 events
- Hail and Damaging Winds in Maryland, December 21, 20181 in hail · 9 events
- High Wind in Wyoming, December 21, 201874 kt wind · 8 events
- Winter Weather in North Carolina, December 21 to 22, 20188 events
- High Wind in Montana, December 21, 201862 kt wind · 6 events
- Flash Flooding in New York, December 21, 20186 events
- High Wind in Wyoming, December 21, 201870 kt wind · 5 events
- Debris Flows and Heavy Snow in Kentucky, December 21 to 22, 2018$2,000 · 5 events
- Flash Flooding and Flooding in New Jersey, December 21 to 22, 20185 events
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: 798708, 798709.