31 flood insurance claims·$237,967 paid·9 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 Nelson County, Virginia. 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 and river flooding from severe weather events dominate the flood history of Nelson County, supported by NOAA Storm Events Database records of 65 flash flood events, 64 flood events, and two tropical storms over the last 30 years. Recent events illustrate this pattern, including a slow-moving upper-level low in May 2025 that caused rainfall rates exceeding two inches an hour and localized totals of four to eight inches across the Blue Ridge. Additionally, tropical moisture on July 15, 2025, produced slow-moving thunderstorms and localized rainfall amounts of two to five inches over areas with suppressed flash flood guidance.
National Flood Insurance Program claims data indicates varying impacts across zones. Zone A recorded 15 claims with an average payout of $9,594 and an average recorded water depth of 13 inches. Zone X recorded 7 claims with an average payout of $27,908 and an average recorded water depth of 2 inches. Zone X Unshaded recorded 7 claims with an average payout of $4,556 and an average recorded water depth of 4 inches, while Zone X Shaded recorded 2 claims with an average payout of $3,057 and an average recorded water depth of 0 inches.
Homeowners, real estate agents, and journalists should pay the closest attention to properties located within high-risk Zone A, where claims recorded the highest average water depths, as well as properties in Zone X that have experienced significant average payout amounts despite lower recorded water depths.
Summary written from NOAA storm reports and NFIP claims for this county. Not a prediction.
38% of Nelson County’s flood insurance claims were on properties rated outside FEMA’s high-risk zones.
24 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 1996, with 10 claims and $77,777 paid, the year of Hurricane Fran and Associated Severe Storm Cond.
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.
31 NOAA storm reports from Nelson County describe what happened, in the words of the forecasters who covered it. Read the Virginia flood stories →
28 federal disaster declarations since 1969, 9 of them floods, coastal storms or hurricanes.
| Disaster | Began |
|---|---|
| Severe Winter Storm | Jan 22, 2026 |
| Tropical Storm Helene | Sep 25, 2024 |
| Severe Winter Storm And Snowstorm | Jan 2, 2022 |
| Hurricane Florence | Sep 13, 2018 |
| Hurricane Sandy | Oct 26, 2012 |
| Severe Storms And Straight-line Winds | Jun 29, 2012 |
| Severe Winter Storms And Snowstorms | Feb 5, 2010 |
| Severe Winter Storm And Snowstorm | Dec 18, 2009 |
Weather and water disasters only; most recent first. Source: OpenFEMA Disaster Declarations.
131 since 1996: 65 flash floods and 64 river or area floods.
| Event | Date | Damage |
|---|---|---|
| Flash Flood | Jul 15, 2025 | — |
| Flash Flood | May 13, 2025 | — |
| Flood | May 13, 2025 | — |
| Flash Flood | Jul 13, 2025 | — |
| Flash Flood | Jul 9, 2025 | — |
| Flood | Sep 30, 2024 | — |
| Flash Flood | Sep 29, 2024 | — |
| Flood | Sep 29, 2024 | — |
— = no damage estimate in the record. Source: NOAA Storm Events Database.
Flash Flood · Jul 15, 2025. An anomalously moist airmass with tropical moisture resided over much of Virginia on July 15th. Another round of slow moving thunderstorms developed on remnant boundaries and terrain circulations before propagating eastward. These thunderstorms moved into areas with suppressed flash flood guidance due to anteceding conditions. Ultimately, these storms produced localized rainfall amounts of two to five inches.
Flash Flood · May 13, 2025. A slow moving closed upper level low originating from the Gulf of America brought anomalous moisture into the area. A long duration period of rain ensued, with rain rates exceeding two inches an hour during the afternoon and evening of May 13th. The slow moving storms coupled with training led to localized rainfall totals of four to eight inches across the Blue Ridge, with lesser amounts of two to four inches alon…
Flood · May 13, 2025. A slow moving closed upper level low originating from the Gulf of America brought anomalous moisture into the area. A long duration period of rain ensued, with rain rates exceeding two inches an hour during the afternoon and evening of May 13th. The slow moving storms coupled with training led to localized rainfall totals of four to eight inches across the Blue Ridge, with lesser amounts of two to four inches alon…
Flash Flood · Jul 13, 2025. Showers and thunderstorms developed early in the afternoon in an anomalously moist airmass along the Chesapeake Bay Breeze and remnant outflow boundaries. These storms remained nearly stationary through the first part of the afternoon producing a quick two to four inches of rain before dissipating.
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 Nelson 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.