County Hazards

States › New Hampshire › Strafford County

Strafford County, New Hampshire

Recorded hazard history: storm events since 1950, federal disaster declarations since 1953, flood insurance claims since 1978, and FEMA's risk index.

FIPS 33017 · 132,416 residents (2021) · 367 sq mi · dominant hazard Winter

Hail · 71Tornado · 7Flood · 26Wind · 180Winter · 190
1962-07-13: Hail1973-05-31: Hail1975-07-10: Hail1987-06-13: Hail1988-07-10: Hail1996-07-14: Hail1996-07-14: Hail2001-06-20: Hail2001-07-12: Hail2003-06-27: Hail2005-07-22: Hail2007-06-05: Hail2007-06-05: Hail2007-06-05: Hail2007-06-05: Hail2007-06-05: Hail2007-06-05: Hail2007-06-05: Hail2007-06-05: Hail2007-06-05: Hail2007-06-05: Hail2007-06-05: Hail2007-06-05: Hail2007-06-05: Hail2007-06-05: Hail2007-06-05: Hail2007-06-05: Hail2007-06-05: Hail2007-06-05: Hail2007-06-05: Hail2007-06-05: Hail2007-07-15: Hail2007-07-15: Hail2007-07-15: Hail2007-07-15: Hail2007-07-06: Hail2007-07-06: Hail2007-07-06: Hail2007-07-06: Hail2007-06-05: Hail2008-07-18: Hail2008-07-18: Hail2008-07-18: Hail2008-07-18: Hail2008-07-18: Hail2008-07-18: Hail2008-06-17: Hail2008-08-16: Hail2008-07-18: Hail2009-06-26: Hail2010-06-24: Hail2011-06-18: Hail2011-06-01: Hail2011-06-01: Hail2011-08-02: Hail2011-08-02: Hail2012-06-08: Hail2012-07-24: Hail2013-06-23: Hail2014-08-01: Hail2014-08-07: Hail2015-07-19: Hail2015-07-19: Hail2018-08-03: Hail2018-07-28: Hail2018-07-28: Hail2020-06-28: Hail2023-08-13: Hail2023-08-13: Hail2023-08-13: Hail1953-06-09: Tornado1963-05-14: Tornado1976-05-03: Tornado1981-06-22: Tornado1999-07-06: Tornado2008-07-24: Tornado2007-04-16: Flood2008-09-27: Flood2010-02-25: Flood2010-03-30: Flood2010-03-14: Flood2011-08-28: Flood2016-10-21: Flood2016-10-21: Flood2021-07-29: Flood2022-12-23: Flood2022-12-23: Flood2022-12-23: Flood1971-06-08: Wind1975-07-10: Wind1985-08-15: Wind1986-06-01: Wind1986-06-16: Wind1987-08-19: Wind1987-05-31: Wind1987-05-31: Wind1987-05-31: Wind1988-07-10: Wind1988-08-14: Wind1988-07-26: Wind1988-08-14: Wind1988-08-14: Wind1988-07-17: Wind1988-07-10: Wind1991-05-17: Wind1992-09-22: Wind1992-09-22: Wind1997-07-03: Wind1997-02-22: Wind1998-08-25: Wind1998-05-29: Wind1998-05-29: Wind1999-07-06: Wind1999-07-06: Wind1999-07-06: Wind2001-06-20: Wind2001-06-20: Wind2002-05-31: Wind2002-07-23: Wind2002-08-05: Wind2003-06-27: Wind2005-06-08: Wind2005-06-29: Wind2005-07-27: Wind2006-07-18: Wind2006-07-18: Wind2006-06-20: Wind2006-09-24: Wind2006-08-02: Wind2006-12-01: Wind2007-07-15: Wind2007-07-15: Wind2007-07-15: Wind2007-07-15: Wind2007-07-15: Wind2007-07-06: Wind2007-09-27: Wind2007-07-15: Wind2008-07-18: Wind2008-06-22: Wind2008-06-22: Wind2008-07-19: Wind2010-07-12: Wind2010-07-12: Wind2010-06-06: Wind2010-07-12: Wind2010-07-21: Wind2010-06-24: Wind2010-06-24: Wind2010-06-24: Wind2010-06-24: Wind2010-06-24: Wind2010-06-24: Wind2010-06-24: Wind2011-06-09: Wind2011-06-09: Wind2011-07-26: Wind
Strafford County within New Hampshire. Dots: HailTornadoFloodWind event locations in the kept record. Boundaries: US Census Bureau.

NCEI notes that Storm Data is compiled from a variety of sources including the National Weather Service, other federal, state and local agencies, the media and the public; that property and crop damage figures are estimates; and that some events are recorded by NWS forecast zone rather than by county. FEMA notes that NFIP claim records are redacted and aggregated to protect the privacy of policyholders. NCEI storm records through 30 Jun 2026; OpenFEMA declarations refreshed 1 Oct 2026; NFIP claims as of 8 Sep 2026.

Between 1950 and 2026, NCEI recorded 558 storm events in Strafford County, New Hampshire, led by winter storms and snow.

That is 151.8 events per 100 square miles, above the New Hampshire figure of 96.7, and 42.1 per 10,000 residents against 62.4 statewide.

16 events fall in the 12 months to 30 Jun 2026. NCEI attributes 1 death and 24 injuries to events in the county, with property damage estimated at $18M and crop damage at $9.5M.

FEMA has designated the county in 25 federal disaster declarations since 1953; the most recent is Covid-19 Pandemic (major disaster, 3 Apr 2020).

National Flood Insurance Program policyholders in the county filed 137 claims since 1978, of which 106 were paid, totalling $2.3M (about $22K per paid claim). FEMA counts 198 residential flood policies in force.

FEMA's National Risk Index rates the county's overall risk as "Relatively Low" and its expected annual loss as "Relatively Low" ($29M a year across 18 hazards).

39 tropical storm or hurricane tracks in the HURDAT2 record passed within 100 miles of the county's centre at tropical-storm strength or more, 2 of them within 50 miles at hurricane strength.

16events, last 12 monthsto 30 Jun 2026
558events since 19501 death, 24 injuries recorded
25disaster declarationslast 3 Apr 2020
137NFIP flood claims$2.3M paid

Compared with New Hampshire and the United States

MeasureStrafford CountyNew HampshireUS
Recorded events since 19505588,6611,977,440
Events per 100 square miles151.896.756.0
Events per 10,000 residents42.162.459.6
Events in the last 12 months1629862,008
Deaths recorded by NCEI14226,435
Property damage (NCEI estimates)$18M$343M$575B
NFIP claims per 1,000 residents1.03.28.1
Average paid NFIP claim$22K$20K$43K
Claims per 100 policies in force, last 10 years3.515.316.1

County-recorded events plus zone-recorded events whose forecast zone is named for the county. State and US rows include events recorded only by forecast zone. Rates use 2021 Census population and land area.

Events by decade

Tornado: 1
Hail: 1Tornado: 1
Hail: 2Tornado: 1Wind: 2
Hail: 2Tornado: 1Wind: 14
Hail: 3Tornado: 2Flood: 7Wind: 32Winter: 31Heat: 2Cold: 7Drought: 4Lightning: 6Fog: 1Other: 2
Hail: 43Tornado: 1Flood: 9Wind: 56Winter: 82Cold: 13Drought: 5Lightning: 22Other: 3
Hail: 16Flood: 6Wind: 51Winter: 50Tropical: 1
Hail: 4Flood: 4Wind: 25Winter: 27Tropical: 1Heat: 1Cold: 2Drought: 14
11950s21960s51970s171980s971990s2342000s1242010s782020s
Recorded events in Strafford County by decade and hazard group. HailTornadoFloodWindWinterTropicalHeatColdDroughtLightningFogOther NCEI recorded only tornadoes, hail and thunderstorm wind before 1996.

Trend: 292 events in the 20 years to 2025 against 246 in the 20 years before. Reporting practice changed in 1996 and again with automated reports in the 2000s, so decade totals measure the record as much as the weather.

Events by type

Winter190
Wind180
Hail71
Lightning28
Flood26
Drought23
Cold22
Tornado7
Other5
Heat3
Tropical2
Fog1
HazardEventsDeathsShare of state's events
■ Winter190—7.3%detail
■ Wind18015.9%detail
■ Hail71—7.4%detail
■ Lightning28—13.5%
■ Flood26—2.5%detail
■ Drought23—8.4%
■ Cold22—7.7%
■ Tornado7—6.3%
■ Other5—10.2%
■ Heat3—8.8%
■ Tropical2—5.3%
■ Fog1—25.0%

Hazard pages exist for hail, tornado, flood, wind and winter where the county has at least 10 recorded events. "Other" covers heavy rain, debris flow, dust, funnel clouds and similar reports.

Largest recorded events

DateEvent typeGroupMagnitudeProperty damageCrop damageDeathsInjuriesGeography
24 Sep 2006Thunderstorm WindWind52 mph——1—County
28 Jul 2018Thunderstorm WindWind81 mph———8County
1 Oct 1998Strong WindWind————5Forecast zone
14 Jul 1996LightningLightning————3County
15 Jul 2007LightningLightning————3County
12 Jan 1996Heavy SnowWinter—$400K——1Forecast zone
9 Jul 1996LightningLightning—$2K——1County
15 May 2004LightningLightning————1County
29 Jun 2005LightningLightning————1County
29 Jun 2005LightningLightning————1County
1 Nov 2020DroughtDrought—$20K$9.0M——Forecast zone
2 Aug 1993Thunderstorm WindWind0 mph$5.0M———County
7 Jan 1998Ice StormWinter—$2.8M———Forecast zone
22 Jun 1981TornadoTornadoF2$2.5M———County
20 Oct 1996Flash FloodFlood—$1.8M———County
13 May 2006FloodFlood—$1.1M———County
16 Apr 2007FloodFlood—$1.0M———County
13 Jun 1998Flash FloodFlood—$600K———County
1 Oct 2020DroughtDrought—$100K$500K——Forecast zone
14 Mar 2010FloodFlood—$349K———County

Ranked by deaths, then injuries, then NCEI's damage estimate. Deaths and injuries are NCEI counts (direct plus indirect); no personal details are recorded here.

Federal disaster declarations

DeclaredNumberTypeIncidentTitlePrograms
3 Apr 2020DR-4516Major disasterBiologicalCovid-19 PandemicIndividual assistance, Public assistance
13 Mar 2020EM-3445EmergencyBiologicalCovid-19Public assistance
8 Jun 2018DR-4371Major disasterSnowstormSevere Winter Storm And SnowstormPublic assistance
25 Mar 2015DR-4209Major disasterSevere StormSevere Winter Storm And SnowstormPublic assistance
19 Mar 2013DR-4105Major disasterSevere StormSevere Winter Storm And SnowstormPublic assistance
30 Oct 2012EM-3360EmergencyHurricaneHurricane SandyPublic assistance
1 Nov 2011EM-3344EmergencySevere StormSevere StormPublic assistance
3 Sep 2011DR-4026Major disasterHurricaneTropical Storm IrenePublic assistance
27 Aug 2011EM-3333EmergencyHurricaneHurricane IrenePublic assistance
29 Mar 2010DR-1892Major disasterSevere StormSevere Winter StormPublic assistance
2 Jan 2009DR-1812Major disasterSevere Ice StormSevere Winter StormPublic assistance
13 Dec 2008EM-3297EmergencySevere StormSevere Winter StormPublic assistance
11 Aug 2008DR-1782Major disasterSevere StormSevere Storms, Tornado, And FloodingPublic assistance
27 Apr 2007DR-1695Major disasterSevere StormSevere Storms And FloodingIndividual assistance, Public assistance
25 May 2006DR-1643Major disasterSevere StormSevere Storms And FloodingIndividual assistance, Public assistance
19 Sep 2005EM-3258EmergencyHurricaneHurricane Katrina EvacuationPublic assistance
30 Mar 2005EM-3207EmergencySnowstormRecord And/Or Near Record SnowPublic assistance
11 Mar 2003EM-3177EmergencySnowstormSnowPublic assistance
28 Mar 2001EM-3166EmergencySnowstormSnowPublic assistance
15 Jan 1998DR-1199Major disasterSevere StormSevere Ice Storm, Rains And High WindsIndividual assistance, Public assistance
29 Oct 1996DR-1144Major disasterFloodFall Northeaster RainstormIndividual assistance, Public assistance
16 Mar 1993EM-3101EmergencySnowstormBlizzards, High Winds & Record SnowfallPublic assistance
9 Sep 1991DR-917Major disasterHurricaneHurricane Bob & Severe StormsPublic assistance
16 Apr 1987DR-789Major disasterFloodSevere Storms & FloodingIndividual assistance
11 Jul 1973DR-399Major disasterFloodSevere Storms & FloodingIndividual assistance, Public assistance

Declarations in which FEMA designated this county, from the OpenFEMA Disaster Declarations Summaries (v2). DR: major disaster; EM: emergency; FM: fire management assistance. Programs show whether individual or public assistance was made available.

Flood insurance claims

197820022026
NFIP claims by year of loss in Strafford County, 1978 to 2026 (hover for the amount paid).
Claims since 1978137
Paid claims106
Total paid$2.3M
Average paid claim$22K
Repetitive-loss properties142 severe
Residential policies in force1980.6% of 34,531 structures
Year of lossClaimsPaid claimsAmount paidAverage paid
202422$57,556$28,778
202332$40,097$20,049
202211$3,096$3,096
201710$0—
201510$0—
201411$2,057$2,057
201310$0—
201111$1,201$1,201
20101513$343,890$26,453
200911$11,028$11,028
20073024$879,898$36,662
20063935$732,340$20,924
200510$0—
200311$3,249$3,249
200110$0—
199910$0—
199833$26,112$8,704
199711$1,139$1,139
19961410$133,065$13,306
199321$858$858
198820$0—
198753$7,877$2,626
198421$8,803$8,803
198322$26,381$13,190
197910$0—

OpenFEMA NFIP claims (v3, as of 8 Sep 2026), aggregated by year of loss; amounts are building, contents and increased-cost-of-compliance payments as recorded. Repetitive-loss counts from the NFIP Multiple Loss Properties file (2 Aug 2026); policies in force from the NFIP Residential Penetration Rates file (3 Aug 2026).

National Risk Index

Overall riskRelatively Lowscore 64.1 of 100
Expected annual loss$29MRelatively Low
Social vulnerabilityVery Low
Community resilienceRelatively High
Hazard (NRI)Risk ratingExpected annual loss
Inland floodingRelatively Moderate$20,545,620
EarthquakeRelatively Low$1,631,800
HurricaneRelatively Low$1,497,715
TornadoRelatively Low$1,157,270
Ice stormRelatively High$951,269
Cold waveRelatively Low$861,400
LightningRelatively Moderate$714,819
Strong windRelatively Low$548,821
DroughtRelatively Moderate$509,291
Heat waveRelatively Low$442,093
HailVery Low$88,411
Winter weatherRelatively Low$74,593
Coastal floodingRelatively Low$57,270
WildfireVery Low$22,891
LandslideVery Low$3,679

FEMA National Risk Index, December 2025 release. Ratings are FEMA's relative comparison of counties; expected annual loss is FEMA's modelled estimate of average yearly building, population and agriculture loss. See how to read the NRI.

Hurricane and tropical storm passes

Tracks within 100 miles39
Tracks within 50 miles13
Hurricane strength within 50 miles2
StormYearClosest approachMax wind while within 100 mi
Elsa202189 mi52 mph
Andrea201370 mi46 mph
Irene201182 mi52 mph
Barry200763 mi40 mph
Floyd199922 mi58 mph
Bertha199693 mi69 mph
Bob199180 mi69 mph
Belle197684 mi40 mph
Doria197152 mi52 mph
Unnamed Atlantic storm196880 mi52 mph
Alma196693 mi46 mph
Esther196167 mi40 mph
Unnamed Atlantic storm196173 mi69 mph
Brenda196031 mi46 mph
Donna196035 mi69 mph
Carol195423 mi92 mph
Unnamed Atlantic storm194981 mi52 mph
Unnamed Atlantic storm194489 mi75 mph
Unnamed Atlantic storm193439 mi46 mph
Unnamed Atlantic storm192355 mi52 mph
Unnamed Atlantic storm191620 mi58 mph
Unnamed Atlantic storm191638 mi52 mph
Unnamed Atlantic storm191597 mi40 mph
Unnamed Atlantic storm190851 mi40 mph
Unnamed Atlantic storm190793 mi40 mph

HURDAT2 best-track positions at tropical-storm strength (34 kt) or more, measured from the county's Census centre point; through the 2025 season. Distance from a track is not the same as the extent of the storm's wind, rain or surge.

ZIP codes with flood claims

ZIP codes whose NFIP claims carry this county's code, with the number of claims. Five or more claims are needed for a ZIP page to be indexed.

Questions and answers

How often does it hail in Strafford County, NH?

NCEI records 71 hail events in Strafford County since 1950, in 22 different years; that is about 0.9 recorded events a year. 8 reports were golf-ball size (1.75 in) or larger.

Has Strafford County had a tornado?

Yes. NCEI records 7 tornadoes in Strafford County since 1950, 5 of them rated (E)F2 or stronger. Tornado deaths recorded: 0.

When was the last federal disaster declaration for Strafford County?

3 Apr 2020: Covid-19 Pandemic, a major disaster declaration for biological. The county appears in 25 declarations since 1953.

How many flood insurance claims have been filed in Strafford County, and how much was paid?

137 NFIP claims since 1978, 106 of them paid, for $2.3M in total. FEMA publishes these figures redacted and aggregated; individual properties are not identified.

Is Strafford County in the National Risk Index's high-risk band?

FEMA's National Risk Index (December 2025) rates the county "Relatively Low" for overall risk, "Relatively Low" for expected annual loss, "Very Low" for social vulnerability and "Relatively High" for community resilience. These ratings are FEMA's relative comparison across all US counties.

How does Strafford County compare with the rest of New Hampshire?

151.8 recorded events per 100 square miles against 96.7 statewide, and 1.0 NFIP claims per 1,000 residents against 3.2. The comparison table on this page shows each measure beside the state and national figures.

Provenance

Storm events: NOAA NCEI Storm Events Database, yearly details files through 30 Jun 2026 (public domain). Declarations: OpenFEMA DisasterDeclarationsSummaries v2, refreshed 1 Oct 2026. Flood claims: OpenFEMA NfipClaims v3 as of 8 Sep 2026; NfipMultipleLossProperties v1 (2 Aug 2026); NfipResidentialPenetrationRates v1 (3 Aug 2026). Risk index: FEMA National Risk Index, December 2025. Hurricane tracks: NHC HURDAT2 through 2025. Population and area: US Census Bureau, 2021 vintage. Built 1 Oct 2026; see the methodology and corrections pages. Hazard hubs: Hail · Tornado · Flood · Wind · Winter.