Warren County, New Jersey: hazard history

FEMA declared 27 disasters that named Warren County between 1965 and 2023.

Most recent declarations

• DR-4725 2023 · Severe Storm · Severe Storm And Flooding
• DR-4614 2021 · Hurricane · Remnants Of Hurricane Ida
• EM-3573 2021 · Hurricane · Remnants Of Hurricane Ida
• DR-4597 2021 · Snowstorm · Severe Winter Storm And Snowstorm
• DR-4488 2020 · Biological · Covid-19 Pandemic
• EM-3451 2020 · Biological · Covid-19
• DR-4264 2016 · Severe Storm · Severe Winter Storm And Snowstorm
• DR-4086 2012 · Hurricane · Hurricane Sandy
• EM-3354 2012 · Hurricane · Hurricane Sandy
• DR-4048 2011 · Severe Storm · Severe Storm

Not counted above: 2 statewide declarations, which covered every county in New Jersey. A declaration is a decision to send federal help, not a measure of how bad an event was. Records run from 1953. Source: FEMA OpenFEMA Disaster Declarations Summaries.

Records start in 1996. Damage is NOAA's estimate at the time, in nominal dollars, and is often rounded; it is not insurance claims data. A storm that crossed two NOAA zones in this county is recorded, and counted, once per zone. A storm filed against a forecast zone is counted in every county that zone covers, with the whole storm's damage; do not add these figures across counties.

NOAA storm event records in Warren County each year. The busiest year was 2019, with 73 records.

Years with no record are left out of the table, not shown as zero.

Costliest records

1. Flood · Sep 18, 2004$28.0M
   NOAA name: NWS forecast zone · NOAA record 5426512
2. Flood · Jun 27, 2006$15.0M
   NOAA name: Warren County · NOAA record 5518469
3. Flood · Aug 28, 2011$12.5M
   NOAA name: Warren County · NOAA record 344864
4. High Wind · Oct 29, 2012$10.0M
   NOAA name: NWS forecast zone · NOAA record 417000
5. Flash Flood · Sep 16, 1999$7.0M
   NOAA name: Warren County · NOAA record 5722768

Deadliest records

1. High Wind · Sep 18, 20031 death
   NOAA name: NWS forecast zone · $100K damage · NOAA record 5336736
2. Extreme Cold/Wind Chill · Feb 6, 20071 death
   NOAA name: NWS forecast zone · NOAA record 16678
3. Winter Storm · Mar 16, 20071 death
   NOAA name: NWS forecast zone · NOAA record 21386
4. Excessive Heat · Jun 7, 20081 death
   NOAA name: NWS forecast zone · NOAA record 114290

Each line is one NOAA record, linked to its page at NOAA. One large storm can appear more than once if NOAA recorded it in several zones of this county. Dollars are nominal.

The National Flood Insurance Program paid $31.6M on 1,268 claims in Warren County from 1978 to 2024.

A count of claims, not a rate: NFIP publishes no count of insured homes beside it, and most flood damage is uninsured. Nominal dollars. Records run from 1978 to 2024; claims filed without a county code are not on any county page. Source: FEMA OpenFEMA FIMA NFIP Redacted Claims.

A hazard vulnerability analysis rates each hazard for probability, impact, preparedness and response. Probability is the one column the county’s federal record can fill — NCEI storm events from 1996 to 2026 and FEMA declarations naming the county — and this is what it says for a facility here, on the 0–3 scale of the all-hazards structure surveyors expect. The other six columns are the facility’s own judgment about its building, and Calchis leaves them blank.

A dash means the record does not speak to that hazard; it is not a zero. Whether a finished document satisfies the CMS Emergency Preparedness Rule is the facility’s finding and its surveyor’s. Complete the HVA for a facility in Warren County — the technological, human and hazardous-materials rows, the six facility columns, the approval and the printed document — or read the sample analysis on that page first.

• Every figure is counted from public federal records held by Calchis: NOAA NCEI Storm Events, FEMA OpenFEMA Disaster Declarations, and FEMA NFIP claims. Nothing is modeled or estimated.
• NOAA files some events against a county and others against an NWS forecast zone, and publishes a code for both. Records are counted as Warren County by that code — county records by the county's own FIPS code, zone records through the National Weather Service's published list of which counties each zone covers. No name matching is involved. Of 1,055 records, 425 were filed against this county and 630 against a forecast zone covering it. A zone storm is counted in every county its zone covers, and its damage figure is the whole storm's, not this county's share — NOAA does not publish that split. So these figures describe this county; they must not be added up across counties. Left out: 1% of New Jersey's NOAA records, which are marine zones or zones NWS does not map to a county.
• Counts last rebuilt from the source records on Sep 15, 2026.