New Jersey

Storm History: Union County, New Jersey

345 episodes, 594 events since 1952

Every storm the National Weather Service has filed in Union County, New Jersey: floods, hail, damaging wind, tornadoes, winter storms, heat and the rest, with the most serious on record. Events filed by forecast zone count for every county the zone covers.

The record

Events
594
Deaths
18
Injuries
29
Damage
$25 million
Episodes
345

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.

Open the live radar over Union County

Every year

From 1996 the record holds 48 kinds of event with each office’s narrative; before that, tornadoes, hail and thunderstorm wind only, and before 1955 tornadoes alone.

By kind of event

Counted under the kind that heads each episode.

Kind of eventEventsDeathsInjuriesDamage
Flash Flood16771$8.5 million
Thunderstorm Wind14434$497,000
Hail4501$21,000
Flood4100$2.7 million
Heavy Snow3800
Winter Storm3000
Tornado2915$13 million
Winter Weather2000
High Wind1640$380,000
Excessive Heat1500
Strong Wind1400$346,000
Heavy Rain1300
Blizzard1030
Lightning300$20,000
Ice Storm200
Tropical Storm201
Coastal Flood200
Heat2017
Astronomical Low Tide100

The deadliest

The costliest

Damage within this county, in the dollars of its year.

The largest hail

The largest stone in each episode, which may have fallen in a neighboring county of the same episode.

The strongest tornadoes

Every tornado in Union County, with its track

Every episode, newest first

Earlier years, state by state:

More

Tornadoes in Union CountyEvery warning in Union County since 1986Every county in New Jersey

Sources

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 2026-09-24.