Sussex County, New Jersey

County storm and disaster record · FIPS 34037 · population 144,119 · 518 sq mi

NOAA's Storm Events Database holds 1,230 records for Sussex County, New Jersey from 1950 through June 30, 2026, on 945 days; the most frequent are winter storm records (420 records). 752 of them are forecast-zone records, which the National Weather Service files once per zone: a county covered by several zones receives each one, so a single storm can add several records on the same day. The deadliest single record is the January 28, 2005 cold/wind chill, filed for the forecast zone Sussex, which covers the county: 2 deaths. FEMA has issued 28 declarations naming the county since 1965, 25 of them for natural hazards; the latest for a natural hazard was “Remnants of Hurricane Ida” on September 5, 2021.

The record, 1950 to 2026

Storm records filed for the county each year (2026 to June 30, 2026). Before 1996 NOAA recorded only tornadoes (from 1950), thunderstorm wind and hail (from 1955).

  • recorded, no damage figure
  • under $100,000
  • $100,000 or more
  • $1 million or more
  • $10 million or more, or a death
  • $100 million or more, or 10 deaths
  • a year's colour: its recorded damage or deaths
  • a year with a death
  • 1955: wind and hail recorded from 1955
  • 1996: all 48 event types from 1996
Storm records
1,230on 945 days, 1950 to June 30, 2026
Deaths recorded
854 injuries
Damage, 2025 dollars
$464Mas filed (scale steps before 1993)
Tornadoes
4strongest EF2
FEMA declarations
28latest 2021

Source: NOAA NCEI Storm Events Database, records through June 30, 2026 (file revision 20260918); damage converted to 2025 dollars with the BLS CPI-U. Search the record at NCEI. BLS consumer price index.

What hazards hit Sussex County most?

The most frequent records are winter storm records: 420 since 1996. 51% of its winter storm records since 1996 fell in January and February. The rank column places the county among New Jersey's counties by days with a record per 1,000 square miles of land over each hazard's complete period.

Sussex County: records by hazard, 1950 to June 30, 2026
HazardRecordsDaysFirst, lastKilledInjuredDamageRank in state
Winter storms 420 414 1996-2026 0 11 $5.6M 6 of 20
Severe thunderstorm wind 310 169 1974-2026 1 22 $1.6M 17 of 20
High wind and dust storms 144 141 1996-2026 2 1 $130M 15 of 20
Floods 53 48 1996-2023 0 0 $324M 20 of 20
Hail 52 35 1975-2023 0 0 $2K 18 of 20
Heat 52 52 1996-2025 0 0 – 18 of 20
Heavy rain 43 41 1996-2016 2 2 – 20 of 20
Drought 39 39 1997-2015 0 0 – 15 of 20
Extreme cold 38 37 1996-2023 2 0 – 11 of 20
Fog, smoke and funnel clouds 34 31 1999-2025 0 0 – 16 of 20
Lightning 26 21 1996-2025 1 16 $306K 17 of 20
Wildfires 12 12 2001-2015 0 2 $249K 7 of 20
Tornadoes 4 4 1989-2019 0 0 $1.4M 20 of 20
Hurricanes and tropical storms 3 2 2011-2020 0 0 $328K 20 of 20

Source: NOAA NCEI Storm Events Database (county and forecast-zone records attributed to the county; a zone record shows its own totals on each county it covers). Days: dates with at least one record of the hazard in the county. Ranks: days with a record per 1,000 square miles of land (Census Bureau 2024 Gazetteer), since 1950 for tornadoes, 1955 for hail and thunderstorm wind, 1996 for the rest.

How many tornadoes has Sussex County had?

NOAA records 4 tornadoes in Sussex County from 1989 to 2019, the strongest rated EF2, with 0 deaths and 0 injuries recorded in the county. A tornado that crossed a county line is counted in each county it touched, with the length of its path inside the county.

Counted as whole tornadoes rather than county records, the Storm Prediction Center's database holds 4 tornadoes whose track touched Sussex County since 1950 (NOAA's county records number 4, the same count); along their whole tracks they killed 0 people.

Map of the strongest tornado tracks in New Jersey.

Every tornado record filed for Sussex County (4)
Every tornado recorded in Sussex County, newest first
DatePlaceCharacterKilledInjuredDamage
2019-05-28 Brookwood, Sussex County EF1 1.25 mi x 350 yd 0 0 –
2009-07-29 Libertyville, Sussex County EF2 6.56 mi x 100 yd 0 0 $1.4M
1990-08-13 Sussex County F0 22.5 mi x 150 yd 0 0 –
1989-11-16 Sussex County F0 0.5 mi x 50 yd 0 0 –

Source: NOAA NCEI Storm Events Database, tornado records by county (path length in the county, maximum width); ratings as published: F scale before February 1, 2007, EF scale after. Whole-track figures: NOAA Storm Prediction Center tornado database (1950-2025). SPC severe weather database.

When was the last damaging storm in Sussex County?

The most recent record with damage, injuries or deaths is the July 8, 2025 lightning (1 death).

Local news reports that a 28 year old man was injured from a lightning strike while golfing. He later died from his injuries. Time estimated from radar and lightning data.
National Weather Service event narrative, NOAA Storm Events Database (search the full record, event 1284884)
The 12 most recent records kept for Sussex County
DateRecordCharacterKilledInjuredDamage
2026-06-11 Thunderstorm WindLibertyville, Sussex County 50 kt wind 0 0 –
2026-06-11 Thunderstorm WindBeemerville, Sussex County 50 kt wind 0 0 –
2026-03-03 Winter WeatherSussex County · forecast zone Sussex 0 0 –
2026-02-22 Winter StormSussex County · forecast zone Sussex 0 0 –
2026-02-10 Winter WeatherSussex County · forecast zone Sussex 0 0 –
2026-02-07 High WindSussex County · forecast zone Sussex 50 kt wind 0 0 –
2026-01-25 Winter StormSussex County · forecast zone Sussex 0 0 –
2026-01-18 Winter WeatherSussex County · forecast zone Sussex 0 0 –
2026-01-17 Winter WeatherSussex County · forecast zone Sussex 0 0 –
2025-12-28 Winter WeatherSussex County · forecast zone Sussex 0 0 –
2025-12-26 Winter WeatherSussex County · forecast zone Sussex 0 0 –
2025-12-23 Winter WeatherSussex County · forecast zone Sussex 0 0 –

Source: NOAA NCEI Storm Events Database; every record of 2025-2026 is listed, earlier ones when they caused deaths, injuries or $250,000 of damage (2025 dollars), and every tornado.

The deadliest and costliest records

Records with deaths or injuries in Sussex County, most deaths first
DateRecordCharacterKilledInjuredDamage
2005-01-28 Cold/Wind ChillSussex County · forecast zone Sussex The combination of light winds courtesy of being located under a large high pressure system and snow cover produced for many locations one of the coldest mornings of the winter season in New Jersey. Low temperatures were mainly around zero, but some lows in the northwest part of the state were colder than 10 degrees ... 2 0 –
2003-08-10 Heavy RainWallpack Center, Sussex County Thunderstorms with heavy rain dropped a Doppler Radar storm total estimate of around 2 inches in about 90 minutes in Walpack Township during the evening of the 10th. The heavy rain loosened the soil to such an extent that the next day a 42-year-old woman and a 9-year-old girl were killed when a dead tree fell onto ... 2 0 –
2014-03-12 High WindSussex County · forecast zone Sussex The strong pressure gradient (difference) between an intensifying strong low pressure system and a high pressure system in the Ohio Valley caused high to strong northwest winds to occur across New Jersey from the evening of the 12th following a cold frontal passage through the daytime hours on the 13th. Peak wind ... 51 kt wind 1 1 $125K
2025-07-08 LightningHardystonville, Sussex County Local news reports that a 28 year old man was injured from a lightning strike while golfing. He later died from his injuries. Time estimated from radar and lightning data. 1 0 –
2018-03-02 High WindSussex County · forecast zone Sussex Numerous trees and power lines were knocked down from strong winds. Nearly 30 roads throughout the county were closed because of downed trees. As of 10 PM Saturday, March 3rd, 23,503 customers were still without power. Free water and ice was provided to affected residents. A wind gust of 48 MPH was reported by a ... 50 kt wind 1 0 –
1997-08-16 Thunderstorm WindColesville, Sussex County A squall line of severe thunderstorms caused widespread tree damage and killed one person in sussex County. Most of the wind damage occurred in the northeast half of the county. Other reports of downed trees in the rest of the county came mainly from Greendell and Stillwater Township. A 64-year-old man was killed by a ... 1 0 –
1997-05-06 Thunderstorm WindBranchville, Sussex County A severe thunderstorm blew over several huge tents at a dog show near Northrup in Frankford Township. Eleven persons were injured, most with minor bruises. Several cars were also damaged when struck by the flying tents, stakes and debris. 0 11 –
2001-08-04 Thunderstorm WindAugusta, Sussex County A severe thunderstorm knocked over several large limbs and blew over an exhibition tent at the Sussex County Fair in Augusta (Frankford Township). Two women were seriously injured (One was knocked unconscious; the other suffered a broken arm.) when the large tent was blown over. Several information booths were blown ... 50 kt wind 0 6 –
The costliest records in Sussex County since 1993, damage in 2025 dollars
DateRecordCharacterKilledInjuredDamage
2000-08-12 Flash FloodSoutheast Portion, Sussex County 0 0 $285M
2012-10-29 High WindSussex County · forecast zone Sussex 69 kt wind 0 0 $129M
2011-08-28 FloodFlatbrookville, Sussex County 0 0 $16M
1996-01-19 FloodSussex County · forecast zone Sussex 0 0 $11M
1999-09-16 Flash FloodCountywide, Sussex County 0 0 $4.4M
2005-04-02 FloodSussex County · forecast zone Sussex 0 0 $1.7M
2007-04-15 FloodHopatcong, Sussex County 0 0 $1.4M
2009-07-29 TornadoLibertyville, Sussex County EF2 6.56 mi x 100 yd 0 0 $1.4M

Source: NOAA NCEI Storm Events Database: deaths and injuries direct and indirect; damage is property plus crops as estimated by the National Weather Service, converted to 2025 dollars.

Is it getting more frequent?

Records per decade for Sussex County's most frequent hazards. Counts rose everywhere after 1996, when NOAA began recording every event type, so compare decades within a hazard's complete period only (the shaded cells come before it).

Sussex County: records per decade (the 2020s to June 30, 2026)
Hazard1950s1960s1970s1980s1990s2000s2010s2020-26
Winter storms––––4316914563
Severe thunderstorm wind0057446188105
High wind and dust storms––––1765575
Floods––––722213
Hail0015515188
Heat––––1920121

Source: NOAA NCEI Storm Events Database, records per calendar decade; zone records from the CZ_TYPE field (Z).

What time of year?

51% of its winter storm records since 1996 fell in January and February. The two busiest months are in violet.

The values, month by month

Jan 166 · Feb 167 · Mar 112 · Apr 66 · May 66 · Jun 115 · Jul 157 · Aug 74 · Sep 56 · Oct 43 · Nov 62 · Dec 146 (records).

Source: NOAA NCEI Storm Events Database, records by the month they began.

Federal disaster declarations for Sussex County

FEMA's register lists 28 declarations that include Sussex County: 17 major disasters, 11 emergencies and 0 fire management assistance declarations. Most were for hurricane (9) and severe storm (7).

Declarations including Sussex County, newest first
DeclaredNumberTypeTitle
2021-09-05DR-4614HurricaneRemnants of Hurricane Ida
2021-09-02EM-3573HurricaneRemnants of Hurricane Ida
2021-04-28DR-4597SnowstormSevere Winter Storm and Snowstorm
2020-12-11DR-4574HurricaneTropical Storm Isaias
2020-03-25DR-4488BiologicalCovid-19 Pandemic
2020-03-13EM-3451BiologicalCovid-19
2012-10-30DR-4086HurricaneHurricane Sandy
2012-10-28EM-3354HurricaneHurricane Sandy
2011-11-30DR-4048Severe StormSevere Storm
2011-10-14DR-4039Severe StormRemnants of Tropical Storm Lee
2011-08-31DR-4021HurricaneHurricane Irene
2011-08-27EM-3332HurricaneHurricane Irene
2007-04-26DR-1694Severe StormSevere Storms and Inland and Coastal Flooding
2006-07-07DR-1653Severe StormSevere Storms and Flooding
2005-09-19EM-3257HurricaneHurricane Katrina Evacuation
2005-04-19DR-1588Severe StormSevere Storms and Flooding
2004-10-01DR-1563Severe StormSevere Storms and Flooding
2003-03-20EM-3181SnowstormSnow
2001-09-19EM-3169FireFires and Explosions
2000-11-01EM-3156OtherWest Nile Virus
2000-08-17DR-1337Severe StormSevere Storms, Flooding and Mudslides
1999-09-17EM-3148HurricaneHurricane Floyd Emergency Declarations
1996-01-13DR-1088SnowstormBlizzard of 96 (Severe Snow Storm)
1993-03-17EM-3106SnowstormSevere Blizzard
1980-10-19EM-3083DroughtWater Shortage
1975-07-23DR-477FloodHeavy Rains, High Winds, Hail & Tornadoes
1971-09-04DR-310FloodHeavy Rains & Flooding
1965-08-18DR-205DroughtWater Shortage

Source: FEMA OpenFEMA Disaster Declarations Summaries (v2), declarations through October 2, 2026; one declaration is counted once however many areas it names. OpenFEMA dataset page.

How many floods has Sussex County had?

NOAA's Storm Events Database holds 53 flood or flash flood records for Sussex County from 1996 to 2023, on 48 days, with 0 deaths. By flood insurance claims since 1978 (OpenFEMA, as of September 8, 2026), Sussex County ranks 959th of 2,942 U.S. counties.

Named storms on Sussex County's flood and tropical record
StormBeganRecordsDeaths in the county
Hurricane Irene2011-08-2730
Hurricane Floyd1999-09-1610

The National Flood Insurance Program has paid $2.0 million on 192 claims filed in Sussex County; the most in one year was 58 in 2011. Claims count insured losses only: uninsured flood damage is not in this file.

The values, year by year

1978: 5 · 1979: 6 · 1980: 2 · 1981: 4 · 1982: 1 · 1983: 6 · 1984: 5 · 1985: 1 · 1986: 3 · 1989: 4 · 1991: 2 · 1992: 2 · 1993: 3 · 1994: 1 · 1995: 2 · 1996: 13 · 1998: 1 · 1999: 10 · 2000: 11 · 2003: 1 · 2004: 6 · 2005: 9 · 2006: 8 · 2007: 5 · 2008: 4 · 2009: 2 · 2010: 4 · 2011: 58 · 2014: 1 · 2016: 2 · 2017: 1 · 2018: 3 · 2021: 4 · 2023: 1 · 2024: 1; the other years: 0.

Source: FEMA OpenFEMA NFIP Redacted Claims, as of September 8, 2026; claims by year of loss, payments in the dollars of the year paid. OpenFEMA dataset page.

FEMA's modeled risk for Sussex County

FEMA's National Risk Index rates Sussex County Relatively Low overall, with an expected annual loss of $58.7 million. These are FEMA's model estimates of future loss from 18 hazards, not a count of what happened; they can differ from the record above.

National Risk Index ratings for Sussex County (December 2025 release), by FEMA's rating, then score
HazardRisk ratingExpected annual lossModeled frequency
Strong WindVery High$9.1M5.1 a year (modeled)
Cold WaveRelatively High$16M1.5 a year (modeled)
Winter WeatherRelatively Moderate$307K16 a year (modeled)
Riverine FloodingRelatively Moderate$27M1.7 a year (modeled)
LightningRelatively Moderate$683K31 a year (modeled)
LandslideRelatively Low$58Kabout once a year (modeled)
HurricaneRelatively Low$1.1Monce in about 16 years (modeled)
EarthquakeRelatively Low$1.3Monce in about 712 years (modeled)

Source: FEMA National Risk Index, county table, December 2025 release. FEMA's National Risk Index map.

Counties that share a border with Sussex County

  1. Morris County 1,332
  2. Monroe County, PA 1,331
  3. Sussex County 1,230
  4. Warren County 1,102
  5. Orange County, NY 972
  6. Passaic County 696
  7. Pike County, PA 356

Source: U.S. Census Bureau county adjacency file; NOAA NCEI Storm Events Database, records since 1950. The Census Bureau's adjacency file.

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