576 first-hand accounts of flood events in New Hampshire, ranked by impact. Each is a NOAA-written narrative of the moment.
Beginning on December 22nd a powerful storm was developing over the Ohio River Valley. On December 23rd the center of the storm was deepening rapidly (974mb) as it lifted through the eastern Great Lakes.
Read the full account →Strong coastal low pressure resulted in 5 to 7 inches of rain and caused moderate flooding on the Suncook and Lamprey Rivers in southern New Hampshire. The Lamprey River at Newmarket remained in flood through the end of the month.
Read the full account →Bands of rain rotated around the periphery of a slow moving, but vigorous, low pressure system from the 12th through the 15th. Extremely heavy rainfall combined with rough seas and incoming astronomical high tides to produce localized coastal flooding along the coast of New…
Read the full account →A stationary front located along the Canadian border resulted in 2 to 3 inches of rain during the evening of April 26. The heaviest rain fell between 8 pm and midnight.
Read the full account →A stalled frontal boundary was the focus for thunderstorms producing very heavy rainfall on the afternoon of June 30th. 1 to 3 inches of rain fell in less than 3 hours causing rapid rises on streams in Sullivan, Merrimack, and Belknap Counties.
Read the full account →An unseasonably hot and humid airmass brought unstable conditions to southern New Hampshire as high pressure to the east allowed warm air from the southwest to move into the region.
Read the full account →A slow moving area of low pressure tracked north along the East Coast on the 23rd and then turned northeast, passing through the Gulf of Maine on the 24th.
Read the full account →Heavy rain fell over New Hampshire due to the rapid development of surface low pressure well to the southeast of New England. Rainfall amounts ranged from around 3 inches in southern New Hampshire up to 9.26 inches at Pinkham Notch.
Read the full account →Heavy rain fell over New Hampshire due to the rapid development of surface low pressure well to the southeast of New England. Rainfall amounts ranged from around 3 inches in southern New Hampshire up to 9.26 inches at Pinkham Notch.
Read the full account →An area of low pressure supported widespread showers and thunderstorms on July 30th and 31st. Slow storm motions allowed heavy rain to fall over the same area, with high rainfall rates over 2 inches per hour.
Read the full account →An area of low pressure supported widespread showers and thunderstorms on July 30th and 31st. Slow storm motions allowed heavy rain to fall over the same area, with high rainfall rates over 2 inches per hour.
Read the full account →An area of low pressure supported widespread showers and thunderstorms on July 30th and 31st. Slow storm motions allowed heavy rain to fall over the same area, with high rainfall rates over 2 inches per hour.
Read the full account →An area of low pressure supported widespread showers and thunderstorms on July 30th and 31st. Slow storm motions allowed heavy rain to fall over the same area, with high rainfall rates over 2 inches per hour.
Read the full account →An area of low pressure supported widespread showers and thunderstorms on July 30th and 31st. Slow storm motions allowed heavy rain to fall over the same area, with high rainfall rates over 2 inches per hour.
Read the full account →An area of low pressure supported widespread showers and thunderstorms on July 30th and 31st. Slow storm motions allowed heavy rain to fall over the same area, with high rainfall rates over 2 inches per hour.
Read the full account →Heavy rain fell over New Hampshire due to the rapid development of surface low pressure well to the southeast of New England. Rainfall amounts across the area ranged from around 3 inches in southern New Hampshire up to 9.26 inches at Pinkham Notch.
Read the full account →Heavy rain fell over New Hampshire due to the rapid development of surface low pressure well to the southeast of New England. Rainfall amounts across the area ranged from around 3 inches in southern New Hampshire up to 9.26 inches at Pinkham Notch.
Read the full account →Tropical Storm Hanna made landfall near the North Carolina/South Carolina border at 320AM EDT September 6. Hanna then moved north/northeast across the Mid-Atlantic states and southern New England September 6 and 7.
Read the full account →A cold front moved approached New Hampshire from the west, bringing a line of showers and thunderstorms. The environment was a continuation of an anomalously moist airmass supportive of torrential rainfall.
Read the full account →A developing area of lower pressure crossed the state on the night of July 29th. Abundant moisture moved into the region ahead of this area of low pressure. Rain began by late afternoon on July 29th across the Connecticut River Valley.
Read the full account →A developing area of lower pressure crossed the state on the night of July 29th. Abundant moisture moved into the region ahead of this area of low pressure. Rain began by late afternoon on July 29th across the Connecticut River Valley.
Read the full account →During the evening of July 17th an area of low pressure slowly moved east along a stationary boundary that stretched from New York to Massachusetts.
Read the full account →The first of many rounds of rain moved into the state by daybreak on July 2nd. Periods of moderate to heavy rain continued through most of the day before ending by evening.
Read the full account →The first of many rounds of rain moved into the state by daybreak on July 2nd. Periods of moderate to heavy rain continued through most of the day before ending by evening.
Read the full account →