576 first-hand accounts of flood events in New Hampshire, ranked by impact. Each is a NOAA-written narrative of the moment.
A slow-moving cold front interacted with the remnants of Tammy, producing significant rainfall and flooding across southern New Hampshire. Storm total rainfall ranged from between 9 and 11 inches across southwest New Hampshire; and the worst flooding occurred in the Ashuelot…
Read the full account →The interaction between a cold frontal boundary and the remnants of Tropical Storm Tammy resulted in tremendous amount of rainfall throughout most of central and southern New Hampshire.
Read the full account →An area of slow moving showers and thunderstorms produced up to 6 inches of rain in 3 hours resulting in flash flooding on Ames Brook in Ashland which rose rapidly and flooded the Ames Brook Campground.
Read the full account →From 3 to possibly as much as 6 inches of rain fell in 12 hours causing the Baker River and its tributaries to rise very rapidly. Bridges were destroyed, vehicles were washed away, and some towns were completely isolated as all roads in and out of the towns were flooded.
Read the full account →Tropical Storm Isaias was the first tropical storm to impact New Hampshire since 2011. The center of the storm tracked west of the state, keeping the flooding rain associated with the storm across New York.
Read the full account →Hurricane Irene made landfall across western Long Island, NY and was downgraded to a Tropical Storm as it moved into and through New England. The center of Irene was located just to the southwest of New Hampshire at 5 pm Sunday evening August 28 and then travelled up the…
Read the full account →The second severe storm in a week���s time struck the northern New England coastline during the middle of January. An intense and rapidly deepening area of low pressure over the Great Lakes region (979 mb) combined the highest astronomical tides of the month to produce…
Read the full account →A powerful storm tracked northeast through the Mid Mississippi River Valley on the 9th, rapidly deepening as it approached the southern Great Lakes.
Read the full account →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 →Low pressure began organizing in the Gulf of Mexico on the 16th, setting record low sea level pressures as it traversed the Southeast through the 17th.
Read the full account →A frontal system crossed into New England on the evening of the 25th sparking scattered showers and thunderstorms. An earlier warm front had moved through the region leaving 1/4 to 1/2 of rain in its wake.
Read the full account →The second severe storm in a week���s time struck the northern New England coastline during the middle of January. An intense and rapidly deepening area of low pressure over the Great Lakes region (979 mb) combined the highest astronomical tides of the month to produce…
Read the full account →Low pressure began organizing in the Gulf of Mexico on the 16th, setting record low sea level pressures as it traversed the Southeast through the 17th.
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 →Low pressure began organizing in the Gulf of Mexico on the 16th, setting record low sea level pressures as it traversed the Southeast through the 17th.
Read the full account →Low pressure began organizing in the Gulf of Mexico on the 16th, setting record low sea level pressures as it traversed the Southeast through the 17th.
Read the full account →Low pressure rapidly intensified into a strong storm (980 mb) and tracked over western New England on the morning of January 17th. This allowed for a strong easterly flow to develop as the system passed to our west.
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 →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 →Low pressure began organizing in the Gulf of Mexico on the 16th, setting record low sea level pressures as it traversed the Southeast through the 17th.
Read the full account →Low pressure began organizing in the Gulf of Mexico on the 16th, setting record low sea level pressures as it traversed the Southeast through the 17th.
Read the full account →Low pressure began organizing in the Gulf of Mexico on the 16th, setting record low sea level pressures as it traversed the Southeast through the 17th.
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 →An upper level disturbance and developing area of low pressure allowed for scattered showers and thunderstorms to develop on the night of August 1st. These storms developed in a moisture rich atmosphere which allowed for heavy rainfall rates within the stronger storms.
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