Power Outage in Manchester, NH

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. While the center tracked into southern Ontario, high pressure retreated into the Canadian Maritimes creating a strong pressure gradient across the region. Strong southerly winds developed as a result, with speeds in excess of 80 knots at around 2,000 feet. Several rounds of strong to damaging wind gusts occurred, which brought widespread power outages with over 120,000 customers without power.||Precipitation moved into western New Hampshire during the late evening hours of December 22, and moved across the remainder of the state by the early morning of December 23. Snow quickly changed over to rain on the night of December 22nd, with a changeover later in the mountains towards daybreak on December 23rd. The precipitation continued through the evening hours of December 23, then gradually ended from south to north that night. Overland flooding was prevalent for areas where rainfall exceeded 2 inches. The impacts varied from standing water in fields to complete road washouts. The runoff exceeded capacity for most feeder creeks and rivers.||The rapidly deepening area of low pressure over the Great Lakes region combined with very high astronomical tides to produce the fourth highest storm tide ever in Portland. In addition, storm to hurricane force east to southeasterly winds occurred along the coast with nearshore waves of 15 to 20 feet coinciding during peak storm surge. Significant to major coastal damage occurred during the morning high tide cycle across the Seacoast of New Hampshire.

December 23, 2022

An unseasonably warm and moist airmass for early March worked into southern New Hampshire during the day on March 7th. This allowed for increased instability ahead of an approaching cold front. A surface low pressure system and associated cold front tracked across the region from the Ohio River valley during the evening. Strong westerly surface winds were advecting cold polar air behind it. A continues fine line of low-topped thunderstorms developed on the cold frontal boundary across southwest New Hampshire. This line progressed eastward through the evening, downing numerous trees and powerlines before weakening as it reached the Merrimack River Valley.

March 07, 2022

Thunderstorm Wind. Trees and power lines downed by straight line winds to the northwest of Hillsborough.

July 20, 2021

Thunderstorm Wind. Severe thunderstorm wind gusts downed trees and power lines in Stoddard.

July 20, 2021

A hot and humid airmass with heat index values well into the 90s was firmly in place when an upper level trough and associated cold front begin to move into northern New Hampshire on the afternoon of June 30th. Storms began to develop and quickly became severe due to very unstable conditions being fueled by the near record heat and humidity. The storms traveled from west to east straight to the coast through the afternoon hours, leaving in their wake downed trees and power outages.

June 30, 2021

as storm chasers for @Eversource, they are among the hundreds of contractors who made their way here to restore pow… https://t.co/8GSTKClBqF

@ManchInkLink - January 25, 2023 04:30

Thousands of customers lose power in New Hampshire during snowstorm - WMUR Manchester https://t.co/Nda62laNSG #NewHampshire #NH

@NHnewsUpdate - January 20, 2023 12:49

@EversourceNH reporting about 4700 power outages across NH at 4:40am. It's a heavy wet snow out there. #wmur

@sean_wmur - January 20, 2023 09:41

California storms bring more heavy rain, flooding and power outages - New Hampshire Public Radio https://t.co/AqIWNf8Oeq

@NHnewsUpdate - January 15, 2023 06:55

California storms bring more heavy rain, flooding and power outages - New Hampshire Public Radio https://t.co/2nyta0yHXc #NewHampshire #NH

@NHnewsUpdate - January 15, 2023 04:13