373 flood insurance claims·$5.4M paid·8 federal flood & hurricane disasters
Share of the whole county outline, rivers and lakes included; parts FEMA hasn’t mapped count as zero.
Shaded areas are FEMA’s mapped flood hazard zones in and around Putnam County, New York. Zoomed out they are simplified; at street level the map switches to FEMA’s exact layer. Tap anywhere to check that spot, or search an address above.
Flash flooding from summer thunderstorms dominates the flood risk profile in Putnam County, New York, supported by NOAA Storm Events Database records showing 24 flash flood events compared to 8 general floods, 2 tropical storms, and 1 coastal flood over the last 30 years. Recent historical events illustrate this severe convective threat, including a slow-moving cold front on June 30, 2024, that produced rainfall rates of 1 to 2 inches per hour, and a stalled frontal boundary from July 9 through July 10, 2023, which dropped torrential rainfall rates of 2 to 3 inches per hour and localized totals upwards of 8 inches.
National Flood Insurance Program claims data indicates that risk extends across multiple zones. Zone A accounts for the highest volume with 126 claims averaging a payout of $36,291 and an average recorded water depth of 12 inches. Properties designated as Zone X also face significant exposure, generating 79 claims with an average payout of $24,011 and an average recorded water depth of 14 inches, alongside 7 claims in shaded Zone X areas averaging a payout of $63,550 and an average recorded water depth of 20 inches.
Homeowners and real estate agents with properties in Zone A and Zone X—particularly shaded areas experiencing deeper average inundation—should pay the closest attention to flood risk given the historical frequency of intense summer flash flooding.
Summary written from NOAA storm reports and NFIP claims for this county. Not a prediction.
26% of Putnam County’s flood insurance claims were on properties rated outside FEMA’s high-risk zones.
171 NFIP claims with a recorded rated flood zone, 1978 to date. The zone is the one FEMA used to rate that policy, which may not match today’s map. Source: OpenFEMA NFIP claims.
In flood insurance claims here that reported a flood depth, the average was 10 inches.
Drawn to scale against an 80-inch door. Even a few inches soaks flooring, the bottom of the drywall and anything plugged in near the floor.
Average of the depths reported on claims (zero and implausible values left out); FEMA’s record doesn’t say exactly where each depth was measured. Source: OpenFEMA NFIP claims.
The worst year was 2011, with 70 claims and $1.1M paid, the year of Hurricane Irene.
Bar height is scaled by square root so ordinary years stay visible next to the worst one. NFIP claims by year of loss. Source: OpenFEMA.
12 NOAA storm reports from Putnam County describe what happened, in the words of the forecasters who covered it. Read the New York flood stories →
29 federal disaster declarations since 1965, 8 of them floods, coastal storms or hurricanes.
| Disaster | Began |
|---|---|
| Severe Storms And Flooding | Jul 9, 2023 |
| Remnants Of Hurricane Ida | Sep 1, 2021 |
| Hurricane Henri | Aug 21, 2021 |
| Tropical Storm Isaias | Aug 4, 2020 |
| Hurricane Sandy | Oct 27, 2012 |
| Hurricane Irene | Aug 26, 2011 |
| Severe Winter Storm | Dec 11, 2008 |
| Severe Storms And Inland And Coastal Flooding | Apr 14, 2007 |
Weather and water disasters only; most recent first. Source: OpenFEMA Disaster Declarations.
35 since 1996: 24 flash floods, 8 river or area floods and 1 coastal floods or surges.
| Event | Date | Damage |
|---|---|---|
| Flash Flood | Jul 14, 2025 | — |
| Flash Flood | Jun 30, 2024 | — |
| Flash Flood | Dec 18, 2023 | — |
| Flash Flood | Jul 10, 2023 | — |
| Flash Flood | Jul 9, 2023 | — |
| Tropical Storm | Aug 4, 2020 | — |
| Flash Flood | Jul 28, 2018 | — |
| Flash Flood | Jul 7, 2015 | — |
— = no damage estimate in the record. Source: NOAA Storm Events Database.
Flash Flood · Jul 14, 2025. A weak front approached from the west along with PW of 2 inches resulting in heavy rainfall across the area. 4 to 6.5 inches of rainfall totals were reported with rainfall rates between 1 to 2 inches.
Flash Flood · Jun 30, 2024. A slow moving cold front allowed for widespread thunderstorm development on June 30th. MUCAPE values of 2000-3000 J/kg with PWATs near 2 allowed for thunderstorms to produce heavy rainfall with rainfall rates of 1-2 inches per hour. These thunderstorms moved through the Lower Hudson Valley and Connecticut resulting in 1 to 2 inches of rain, most of which fell over a one to two hour period. This resulted in localiz…
Flash Flood · Dec 18, 2023. A warm front ahead of a developing coastal low pressure system positions itself over the area late on December 17th and into December 18th. As the low pressure intensified and approached, significant amounts of moisture focused along the warm front ahead of the coastal low resulting in widespread areas of heavy rainfall that occurred over a 12-18 hour period. PWATs were 1.5-1.7 inches which were near record values…
Flash Flood · Jul 10, 2023. A stalled frontal boundary remained over the area which produced multiple rounds of torrential rainfall form heavy thunderstorms from July 9th through July 10th. CAPE values of 2500 to 3500 J/kg and PWAT values of near 1.8 allowed heavy thunderstorm development to produce rainfall rates of 2-3 inches per hour at times. There were parts of the area that receive anywhere from 3-5 inches of rain in a several hour per…
National Weather Service narratives, lightly trimmed. Source: NOAA Storm Events Database.
Every colour on the map above is a place on this drawing: where the ground sits relative to the flood FEMA plans for.
If a building in Putnam County is in a high-risk zone (A or V) and its mortgage comes from a federally regulated or insured lender, or is federally backed, flood insurance is required.
Outside those zones it is optional, and often worth having: from 2014 to 2024 nearly one-third of NFIP claims came from outside the high-risk Special Flood Hazard Area. Since Risk Rating 2.0, NFIP premiums are set for each building, so the only reliable price is a quote: FloodSmart.gov or a local agent.