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Somerset storm history

Storm events recorded in Somerset, New Jersey between 1950 and 2025.

1,222
Total events
4
Tornadoes
43
Hail
221
Floods
9
Deaths
$794.3M
Property damage

Most significant events

Strongest tornadoes, deadliest events, and biggest damage in this county. Up to 50 shown.

October 18, 1990 · Somerset, New Jersey
Tornado F3 Tornado8 injuries, $2.5M damage
September 1, 2021 · Somerset, New Jersey
Flash Flood Flash Flood3 deaths, $25.0M damage
Widespread flash flooding occurred in the northern half of Somerset County with numerous roads closures. There were three flood related fatalities in northern Somerset County, all in Bridgewater Township. There were approximately 1200 water rescues in the entire county. Many buil…
September 1, 2021 · Somerset, New Jersey
Flash Flood Flash Flood2 deaths, $75.0M damage
Widespread flash flooding occurred in the southern half of Somerset County with numerous road closures. There were two flood related fatalities in southern Somerset County, both in Hillsborough Township. There were approximately 1200 water rescues in the entire county. Many build…
March 5, 2015 · Somerset, New Jersey
Heavy Snow Heavy Snow1 death
September 16, 1999 · Somerset, New Jersey
Flash Flood Flash Flood2 deaths, 100 injuries, $358.0M damage
July 4, 1999 · Somerset, New Jersey
Heat Heat1 death
October 29, 2012 · Somerset, New Jersey
High Wind High Wind$20.0M damage
August 28, 2011 · Somerset, New Jersey
Flood Flood$200.0M damage
In Somerset County, about 3,400 homes and 250 businesses suffered flood damage. Seven hundred homes were damaged in Bound Brook and six hundred were damaged in Manville. Mandatory evacuations occurred in Manville, Bound Brook, South Bound Brook and Somerville. In Manville, the Lo…
March 13, 2010 · Somerset, New Jersey
Flood Flood$15.0M damage
In Somerset County, Bound Brook, Manville and Green Brook were hardest hit by the heavy rain and flooding. There were 1,300 flood related emergency calls and 46 water rescues in the county. In Bound Brook, about 600 residents were evacuated to the borough's high school gym and a …
July 26, 2009 · Somerset, New Jersey
Lightning Lightning1 injury, $1.5M damage
A lightning strike and ensuing fire damaged twelve units of a condominium on Fisher Drive in Franklin Township. Six of the units were deemed uninhabitable due to fire, smoke and water damage. One resident was hospitalized after she became light-headed. It took about 60 firefighte…
April 15, 2007 · Somerset, New Jersey
Flood Flood$48.0M damage
In Somerset County, the flooding was the worst since the remnants of Hurricane Floyd in September of 1999. About 1,600 people were evacuated with Bound Brook, Manville and Somerville among the hardest hit municipalities. In Bound Brook Borough, about 1,100 homes were evacuated. T…
January 22, 2005 · Somerset, New Jersey
Heavy Snow Heavy Snow$2.0M damage
July 22, 2003 · Somerset, New Jersey
Thunderstorm Wind Thunderstorm Wind$1.5M damage
September 7, 1998 · Somerset, New Jersey
Thunderstorm Wind Thunderstorm Wind1 injury, $2.7M damage
October 19, 1996 · Somerset, New Jersey
Flash Flood Flash Flood$31.0M damage
January 7, 1996 · Somerset, New Jersey
Blizzard Blizzard$4.4M damage
December 28, 2025 · Somerset, New Jersey
Winter Weather Winter Weather
Based on CoCoRaHS reports and automated stations, a few hundredths of an inch of ice accretion occurred. The highest liquid precipitation amount was 0.05 in Franklin Township and Peapack-Gladstone.
December 26, 2025 · Somerset, New Jersey
Winter Weather Winter Weather
Snow and sleet totals ranged from around 1-2 in most areas. The highest report was 3.0 from Warrensville and Watchung. A light glaze of freezing rain/freezing drizzle was also reported across the county, which lingered into the morning hours on the 27th. As much as 0.10 of ice wa…
December 13, 2025 · Somerset, New Jersey
Winter Storm Winter Storm
Snowfall totals ranged from 6-7. The highest report was 8.5 from Middlebush.
December 2, 2025 · Somerset, New Jersey
Winter Weather Winter Weather
Sleet and a light glaze of ice occurred. Trace amounts of sleet were reported in Bridgewater Township. 0.06 of ice was reported at the Somerville Airport.
September 25, 2025 · Somerset, New Jersey
Dense Fog Dense Fog
Dense fog was reported for several hours at Somerset Airport.
September 6, 2025 · Somerset, New Jersey
Hail Hail
Nickel size hail was reported in Hillsborough.
September 6, 2025 · Somerset, New Jersey
Thunderstorm Wind Thunderstorm Wind
Numerous trees and wires were blown down in Montgomery Township. Time was estimated from radar.
September 6, 2025 · Somerset, New Jersey
Thunderstorm Wind Thunderstorm Wind
Trees and wires were blown down around Hillsborough Township. Time was estimated from radar.
September 6, 2025 · Somerset, New Jersey
Thunderstorm Wind Thunderstorm Wind
Several trees were blown down near the intersection of Amwell Road and Elizabeth Avenue. Time was estimated from radar.
September 6, 2025 · Somerset, New Jersey
Thunderstorm Wind Thunderstorm Wind
A tree was blown down blocking road at South Middlebash Road near Blackwells Mills Road. Time was estimated from radar.
September 6, 2025 · Somerset, New Jersey
Thunderstorm Wind Thunderstorm Wind
Spotter relayed a report that part of a barn roof peeled off and large branches were blown down.
August 13, 2025 · Somerset, New Jersey
Thunderstorm Wind Thunderstorm Wind
Multiple trees and wires down.
August 13, 2025 · Somerset, New Jersey
Thunderstorm Wind Thunderstorm Wind
Trees down in Bedminster Twp blocking a roadway.
August 13, 2025 · Somerset, New Jersey
Thunderstorm Wind Thunderstorm Wind
Trees down in Branchburg Twp blocking a roadway.
July 31, 2025 · Somerset, New Jersey
Thunderstorm Wind Thunderstorm Wind
Trees and wires down. Time estimated from radar.
July 31, 2025 · Somerset, New Jersey
Thunderstorm Wind Thunderstorm Wind
Trees reported down. Time estimated from radar.
July 31, 2025 · Somerset, New Jersey
Flash Flood Flash Flood
Flash flooding reported on I-78 Eastbound, East of Exit 29 - I-287/US 202/US 206.
July 31, 2025 · Somerset, New Jersey
Flash Flood Flash Flood
Flash flooding was reported on US 22 in both Directions, mainly east of CR 531/Somerset Ave/Watchung Ave.
July 29, 2025 · Somerset, New Jersey
Excessive Heat Excessive Heat
The heat index at Somerset Airport reached 109 degrees.
July 25, 2025 · Somerset, New Jersey
Excessive Heat Excessive Heat
The heat index at Somerset Airport reached 112 degrees.
July 25, 2025 · Somerset, New Jersey
Thunderstorm Wind Thunderstorm Wind
Trees and wires down in Watchung. Time estimated from radar.
July 25, 2025 · Somerset, New Jersey
Thunderstorm Wind Thunderstorm Wind
Trees and wires down around Hillsborough Township. Time estimated from radar.
July 25, 2025 · Somerset, New Jersey
Thunderstorm Wind Thunderstorm Wind
Trees and wires down around Montgomery Township. Time estimated from radar.
July 17, 2025 · Somerset, New Jersey
Excessive Heat Excessive Heat
The heat index at Somerset Airport reached 105 degrees.
July 14, 2025 · Somerset, New Jersey
Flash Flood Flash Flood
Heavy rain caused the USGS Green Brook gauge at at Seeley Mills to reach flood stage.
July 14, 2025 · Somerset, New Jersey
Flash Flood Flash Flood
Heavy rain caused the USGS Stony Brook gauge at North Plainfield to reach flood stage.
July 14, 2025 · Somerset, New Jersey
Flash Flood Flash Flood
Multiple reports of flash flooding US 22 were received. All lanes were closed.
July 14, 2025 · Somerset, New Jersey
Flash Flood Flash Flood
Numerous roadways were completely flooded due to heavy rain. Multiple vehicles were flooded or stalled out.
July 14, 2025 · Somerset, New Jersey
Flash Flood Flash Flood
Multiple pictures of a street flooding were received with water more than 1/2 way up tires.
July 14, 2025 · Somerset, New Jersey
Flash Flood Flash Flood
The USGS Middle Brook gauge at Bound Brook exceeded flood stage.
July 14, 2025 · Somerset, New Jersey
Flash Flood Flash Flood
The USGS Stony Brook gauge at Watchung exceeded flood stage.
July 14, 2025 · Somerset, New Jersey
Flood Flood
The USGS Bound Brook gauge at Middlesex exceeded flood stage.
July 8, 2025 · Somerset, New Jersey
Excessive Heat Excessive Heat
The heat index at Somerset Airport reached 106 degrees.
July 3, 2025 · Somerset, New Jersey
Thunderstorm Wind Thunderstorm Wind
Trees down along I-287 with lane restrictions reported. Time estimated from radar.

Events by year

YearEventsTornadoes
2025570
2024420
2023391
2022180
2021480
2020290
2019610
2018230
2017150
2016270
2015330
2014410
2013450
2012440
2011440
2010370
2009450
2008400
2007510
2006310
2005420
2004450
2003511
2002540
2001390
2000390
1999400
1998440
1997240
1996350
199530
199440
199270
199190
199051
198930
198720
198510
198310
197820
197610
196011