The remnants of Ida producing severe weather and flash flooding in the Northeastern United States on September 1, 2021
Type
Tornado outbreak
Duration
August 29–September 2, 2021
Highest winds
150 mph (240 km/h) EF3 tornado in Mullica Hill, New Jersey.
Tornadoes confirmed
36
Max. rating1
EF3 tornado
Duration of tornado outbreak2
79 hours, 15 minutes
Fatalities
1 death, 7 injuries
Damage
>$13.098 million (2021 USD)[1]
Areas affected
Southeastern United States and Northeastern United States
Part of the tornado outbreaks of 2021
1Most severe tornado damage; see Enhanced Fujita scale 2Time from first tornado to last tornado
Hurricane Ida generated a tornado outbreak as it traversed the Southeastern, Mid-Atlantic, and Northeastern United States. Thirty-five confirmed tornadoes touched down from Mississippi to Massachusetts; one person was killed in Upper Dublin Township, Pennsylvania, and several people were injured in Alabama, New Jersey, and Pennsylvania. The most active and destructive part of the outbreak occurred during the afternoon of September 1, when several strong tornadoes struck Maryland, New Jersey, and Pennsylvania, including an EF3 tornado which impacted Mullica Hill, New Jersey. The same storm later dropped an EF1 tornado that prompted a tornado emergency for Burlington, New Jersey and Croydon, and Bristol, Pennsylvania, the first of its kind in the Northeast, as well as the first such alert associated with a tropical cyclone or it's remnants.[2] This outbreak severely impacted New Jersey and the Philadelphia Metropolitan Area, a region which had been significantly impacted by strong tornadoes from another outbreak that occurred just over a month prior, as well as several weak tornadoes from the remnants of Tropical Storm Fred two weeks earlier. Overall, the 36 tornadoes killed one person and injured seven others.
^Tornado Reports: August 28-September 2, 2021, NCEI
^"2021 [KPHI] MOUNT_HOLLY Tornado (TO) Warning (W) Number 49". Iowa Environmental Mesonet. NWS Mount Holly. September 1, 2021. Retrieved September 6, 2021.
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